21157544390400

Names of 21157544390400

• Cardinal: 21157544390400 can be written as Twenty-one trillion, one hundred fifty-seven billion, five hundred forty-four million, three hundred ninety thousand, four hundred.

Scientific notation

• Scientific notation: 2.11575443904 × 10¹³

Factors of 21157544390400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 140997

Divisors of 21157544390400

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 32 33 36 40 44 45 48 50 54 55 60 64 66 72 75 79 80 88 90 96 99 100 108 110 120 128 132 135 144 150 158 160 165 176 180 192 198 200 216 220 225 237 240 256 264 270 275 288 297 300 316 320 330 352 360 384 395 396 400 432 440 450 474 480 495 528 540 550 576 594 600 632 640 660 675 704 711 720 768 790 792 800 825 864 869 880 900 948 960 990 1056 1080 1100 1152 1185 1188 1200 1264 1280 1320 1350 1408 1422 1440 1485 1580 1584 1600 1650 1728 1738 1760 1800 1896 1920 1975 1980 2112 2133 2160 2200 2304 2370 2376 2400 2475 2528 2607 2640 2700 2816 2844 2880 2970 3160 3168 3200 3300 3456 3476 3520 3555 3600 3792 3840 3950 3960 4224 4266 4320 4345 4400 4740 4752 4800 4950 5056 5214 5280 5400 5688 5760 5925 5940 6320 6336 6400 6600 6912 6952 7040 7110 7200 7425 7584 7821 7900 7920 8448 8532 8640 8690 8800 9480 9504 9600 9900 10112 10428 10560 10665 10800 11376 11520 11850 11880 12640 12672 13035 13200 13904 14080 14220 14400 14850 15168 15642 15800 15840 17064 17280 17380 17600 17775 18960 19008 19200 19800 20224 20856 21120 21330 21600 21725 22752 23463 23700 23760 25280 25344 26070 26400 27808 28440 28800 29700 30336 31284 31600 31680 34128 34560 34760 35200 35550 37920 38016 39105 39600 41712 42240 42660 43200 43450 45504 46926 47400 47520 50560 52140 52800 53325 55616 56880 57600 59400 60672 62568 63200 63360 65175 68256 69520 70400 71100 75840 76032 78210 79200 83424 85320 86400 86900 91008 93852 94800 95040 101120 104280 105600 106650 111232 113760 117315 118800 125136 126400 126720 130350 136512 139040 140897 142200 151680 156420 158400 166848 170640 172800 173800 182016 187704 189600 190080 195525 208560 211200 213300 222464 227520 234630 237600 250272 252800 260700 273024 278080 281794 284400 303360 312840 316800 333696 341280 347600 375408 379200 380160 391050 417120 422691 426600 455040 469260 475200 500544 505600 521400 546048 556160 563588 568800 586575 625680 633600 667392 682560 695200 704485 750816 758400 782100 834240 845382 853200 910080 938520 950400 1001088 1042800 1112320 1127176 1137600 1173150 1251360 1268073 1365120 1390400 1408970 1501632 1516800 1549867 1564200 1668480 1690764 1706400 1877040 1900800 2002176 2085600 2113455 2254352 2275200 2346300 2502720 2536146 2730240 2780800 2817940 3003264 3099734 3128400 3336960 3381528 3412800 3522425 3754080 3804219 4171200 4226910 4508704 4550400 4649601 4692600 5005440 5072292 5561600 5635880 6006528 6199468 6256800 6340365 6763056 6825600 7044850 7508160 7608438 7749335 8342400 8453820 9017408 9299202 9385200 10010880 10144584 10567275 11130863 11271760 12398936 12513600 12680730 13526112 13651200 13948803 14089700 15016320 15216876 15498670 16684800 16907640 18034816 18598404 18770400 19021095 20289168 21134550 22261726 22543520 23248005 24797872 25027200 25361460 27052224 27897606 28179400 30032640 30433752 30997340 31701825 33392589 33815280 36069632 37196808 37540800 38042190 38746675 40578336 41846409 42269100 44523452 45087040 46496010 49595744 50054400 50722920 54104448 55654315 55795212 56358800 60867504 61994680 63403650 66785178 67630560 69744015 74393616 75081600 76084380 77493350 81156672 83692818 84538200 89046904 90174080 92992020 95105475 99191488 100177767 101445840 108208896 111308630 111590424 112717600 116240025 121735008 122439493 123989360 126807300 133570356 135261120 139488030 148787232 150163200 152168760 154986700 162313344 166962945 167385636 169076400 178093808 180348160 185984040 190210950 198382976 200355534 202891680 209232045 222617260 223180848 225435200 232480050 243470016 244878986 247978720 253614600 267140712 270522240 278271575 278976060 297574464 300533301 304337520 309973400 324626688 333925890 334771272 338152800 348720075 356187616 367318479 371968080 380421900 396765952 400711068 405783360 418464090 445234520 446361696 450870400 464960100 486940032 489757972 495957440 500888835 507229200 534281424 541044480 556543150 557952120 595148928 601066602 608675040 612197465 619946800 667851780 669542544 676305600 697440150 712375232 734636958 743936160 760843800 801422136 811566720 834814725 836928180 890469040 892723392 901740800 929920200 973880064 979515944 991914880 1001777670 1014458400 1046160225 1068562848 1101955437 1113086300 1115904240 1190297856 1202133204 1217350080 1224394930 1239893600 1335703560 1339085088 1352611200 1394880300 1424750464 1469273916 1487872320 1502666505 1521687600 1602844272 1623133440 1669629450 1673856360 1780938080 1785446784 1836592395 1859840400 1959031888 1983829760 2003555340 2028916800 2092320450 2137125696 2203910874 2226172600 2231808480 2404266408 2434700160 2448789860 2479787200 2504444175 2671407120 2678170176 2705222400 2789760600 2849500928 2938547832 2975744640 3005333010 3043375200 3060987325 3205688544 3305866311 3339258900 3347712720 3561876160 3570893568 3673184790 3719680800 3918063776 4007110680 4057833600 4184640900 4274251392 4407821748 4452345200 4463616960 4808532816 4869400320 4897579720 4959574400 5008888350 5342814240 5356340352 5509777185 5579521200 5877095664 5951489280 6010666020 6086750400 6121974650 6411377088 6611732622 6678517800 6695425440 7123752320 7346369580 7439361600 7513332525 7836127552 8014221360 8115667200 8369281800 8548502784 8815643496 8904690400 8927233920 9182961975 9617065632 9795159440 9919148800 10017776700 10685628480 10712680704 11019554370 11159042400 11754191328 12021332040 12173500800 12243949300 12822754176 13223465244 13357035600 13390850880 14247504640 14692739160 14878723200 15026665050 15672255104 16028442720 16529331555 16738563600 17631286992 17809380800 17854467840 18365923950 19234131264 19590318880 20035553400 21371256960 22039108740 22318084800 23508382656 24042664080 24347001600 24487898600 25645508352 26446930488 26714071200 26781701760 27548885925 29385478320 29757446400 30053330100 31344510208 32056885440 33058663110 33477127200 35262573984 35618761600 36731847900 38468262528 39180637760 40071106800 42742513920 44078217480 44636169600 47016765312 48085328160 48975797200 52893860976 53428142400 53563403520 55097771850 58770956640 60106660200 64113770880 66117326220 66954254400 70525147968 71237523200 73463695800 76936525056 78361275520 80142213600 82646657775 88156434960 89272339200 94033530624 96170656320 97951594400 105787721952 106856284800 110195543700 117541913280 120213320400 128227541760 132234652440 133908508800 141050295936 146927391600 156722551040 160284427200 165293315550 176312869920 192341312640 195903188800 211575443904 213712569600 220391087400 235083826560 240426640800 264469304880 267817017600 282100591872 293854783200 320568854400 330586631100 352625739840 384682625280 391806377600 423150887808 440782174800 470167653120 480853281600 528938609760 587709566400 641137708800 661173262200 705251479680 783612755200 846301775616 881564349600 961706563200 1057877219520 1175419132800 1322346524400 1410502959360 1763128699200 1923413126400 2115754439040 2350838265600 2644693048800 3526257398400 4231508878080 5289386097600 7052514796800 10578772195200 21157544390400
• Sum of all divisors σ(n): 85707464371200
• Sum of proper divisors (its aliquot sum) s(n): 64549919980800
• 21157544390400 is an abundant number, because the sum of its proper divisors (64549919980800) is greater than itself. Its abundance is 43392375590400

Bases of 21157544390400

• Binary: 100110011111000011111111010101110111100000000₂
• Hexadecimal: 0x133E1FEAEF00
• Base-36: 7HZN3NPC0

Squares and roots of 21157544390400

• 21157544390400 squared (21157544390400²) is 447641684631746507612160000
• 21157544390400 cubed (21157544390400³) is 9470998813589614211884446706827264000000
• The square root of 21157544390400 is 4599733.0781687757
• The cube root of 21157544390400 is 27658.0624933913

Scales and comparisons

• 21,157,544,390,400 seconds is equal to 672,744 years, 24 weeks, 2 days.
• To count from 1 to 21,157,544,390,400 would take you about one million, six hundred eighty-one thousand, eight hundred sixty-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21157544390400 cubic inches would be around 2304.8 feet tall.

Recreational maths with 21157544390400

• 21157544390400 backwards is 00409344575112
• 21157544390400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21157544390400's digits is 45
• More coming soon!