21378442800

Names of 21378442800

• Cardinal: 21378442800 can be written as Twenty-one billion, three hundred seventy-eight million, four hundred forty-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13784428 × 10¹⁰

Factors of 21378442800

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 215

Divisors of 21378442800

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 19 20 22 24 25 26 30 33 38 39 40 44 48 50 52 55 57 60 65 66 75 76 78 79 80 83 88 95 100 104 110 114 120 130 132 143 150 152 156 158 165 166 176 190 195 200 208 209 220 228 237 240 247 249 260 264 275 285 286 300 304 312 316 325 330 332 380 390 395 400 415 418 429 440 456 474 475 494 498 520 528 550 570 572 600 624 627 632 650 660 664 715 741 760 780 790 825 830 836 858 869 880 912 913 948 950 975 988 996 1027 1040 1045 1079 1100 1140 1144 1185 1200 1235 1245 1254 1264 1300 1320 1328 1425 1430 1482 1501 1520 1560 1577 1580 1650 1660 1672 1716 1738 1826 1896 1900 1950 1975 1976 1992 2054 2075 2090 2145 2158 2200 2280 2288 2370 2470 2490 2508 2600 2607 2640 2717 2739 2850 2860 2964 3002 3081 3120 3135 3154 3160 3237 3300 3320 3344 3432 3476 3575 3652 3705 3792 3800 3900 3950 3952 3984 4108 4150 4180 4290 4316 4345 4400 4503 4560 4565 4731 4740 4940 4980 5016 5135 5200 5214 5225 5395 5434 5478 5700 5720 5925 5928 6004 6162 6175 6225 6270 6308 6320 6474 6557 6600 6640 6864 6952 7150 7304 7410 7505 7600 7800 7885 7900 8151 8216 8300 8360 8580 8632 8690 9006 9130 9462 9480 9880 9960 10032 10270 10428 10450 10725 10790 10868 10956 11297 11400 11440 11850 11856 11869 12008 12324 12350 12450 12540 12616 12948 13035 13114 13200 13585 13695 13904 14300 14608 14820 15010 15405 15600 15675 15770 15800 16185 16302 16432 16511 16600 16720 17160 17264 17347 17380 18012 18260 18525 18924 18960 19513 19671 19760 19920 20501 20540 20856 20900 21450 21580 21725 21736 21912 22515 22594 22800 22825 23655 23700 23738 24016 24648 24700 24900 25080 25232 25675 25896 26070 26228 26975 27170 27390 28600 29640 30020 30810 31350 31540 31600 32370 32604 32785 33022 33200 33891 34320 34694 34760 35607 36024 36520 37050 37525 37848 39026 39342 39425 40755 41002 41080 41712 41800 42900 43160 43450 43472 43824 45030 45188 45650 47310 47400 47476 49296 49400 49533 49800 50160 51350 51792 52041 52140 52456 53950 54340 54780 56485 57200 58539 59280 59345 60040 61503 61620 62700 63080 64740 65175 65208 65570 66044 67782 67925 68475 69388 69520 71214 72048 72127 73040 74100 75050 75696 77025 78052 78684 78850 80925 81510 82004 82160 82555 83600 85241 85800 86320 86735 86900 90060 90376 91300 94620 94800 94952 97565 98355 98800 99066 99600 102505 102700 104082 104280 104912 107900 108680 109560 112575 112970 117078 118275 118690 120080 123006 123240 124583 125400 126160 129480 130350 130416 131140 132088 135564 135850 136950 138776 142428 144254 148200 150100 154050 156104 157368 157700 161850 163020 163925 164008 165110 169455 170482 171600 173470 173800 178035 180120 180752 182600 189240 189904 195130 196710 198132 203775 205010 205400 208164 208560 214643 215800 216381 217360 219120 225150 225511 225940 234156 236550 237380 246012 246480 247665 249166 250800 255723 258960 260205 260700 262280 264176 271128 271700 273900 277552 282425 284856 288508 292695 296400 296725 300200 307515 308100 312208 314736 315400 323700 326040 327850 328016 330220 338910 340964 346940 347600 356070 360240 360635 365200 373749 378480 390260 393420 396264 407550 410020 410800 412775 416328 426205 429286 431600 432762 433675 450300 451022 451880 468312 473100 474760 487825 491775 492024 495330 498332 511446 512525 520410 521400 524560 542256 543400 547800 564850 569712 577016 585390 593450 600400 615030 616200 622915 630800 643929 647400 652080 655700 660440 676533 677820 681928 693880 712140 721270 747498 780520 786840 792528 815100 820040 825550 832656 847275 852410 858572 865524 867350 890175 900600 902044 903760 936624 937651 946200 949520 975650 983550 984048 990660 996664 1022892 1025050 1040820 1042800 1073215 1081905 1086800 1095600 1127555 1129700 1154032 1170780 1186900 1230060 1232400 1238325 1245830 1278615 1287858 1294800 1301025 1311400 1320880 1353066 1355640 1363856 1370413 1387760 1424280 1442540 1463475 1494996 1537575 1561040 1573680 1619579 1630200 1640080 1651100 1694550 1704820 1717144 1731048 1734700 1780350 1801200 1803175 1804088 1868745 1875302 1892400 1951300 1967100 1981320 1993328 2045784 2050100 2081640 2131025 2146430 2163810 2255110 2259400 2341560 2373800 2460120 2476650 2491660 2557230 2575716 2602050 2622800 2706132 2711280 2740826 2812953 2848560 2885080 2926950 2989992 3075150 3114575 3219645 3239158 3260400 3302200 3382665 3389100 3409640 3434288 3462096 3469400 3560700 3606350 3608176 3737490 3750604 3902600 3934200 3962640 4091568 4100200 4111239 4163280 4262050 4292860 4327620 4510220 4518800 4683120 4688255 4747600 4858737 4920240 4953300 4983320 5114460 5151432 5204100 5366075 5409525 5412264 5481652 5625906 5637775 5770160 5853900 5979984 6150300 6229150 6393075 6439290 6478316 6604400 6765330 6778200 6819280 6852065 6938800 7121400 7212700 7474980 7501208 7805200 7868400 8097895 8200400 8222478 8524100 8585720 8655240 9020440 9343725 9376510 9717474 9906600 9966640 10228920 10302864 10408200 10732150 10819050 10824528 10963304 11251812 11275550 11707800 12300600 12458300 12786150 12878580 12956632 13530660 13556400 13704130 14064765 14242800 14425400 14949960 15002416 16098225 16195790 16444956 16913325 17048200 17171440 17310480 17815369 18040880 18687450 18753020 19434948 19813200 20457840 20556195 20816400 21464300 21638100 21926608 22503624 22551100 23415600 23441275 24293685 24601200 24916600 25572300 25757160 25913264 27061320 27408260 28129530 28850800 29899920 32196450 32391580 32889912 33826650 34096400 34260325 35630738 37374900 37506040 38869896 40489475 41112390 42928600 43276200 45007248 45102200 46882550 48587370 49833200 51144600 51514320 53446107 54122640 54816520 56259060 64392900 64783160 65779824 67653300 68520650 70323825 71261476 74749800 75012080 77739792 80978950 82224780 85857200 86552400 89076845 90204400 93765100 97174740 102289200 102780975 106892214 109633040 112518120 121468425 128785800 129566320 135306600 137041300 140647650 142522952 149499600 161957900 164449560 178153690 187530200 194349480 205561950 213784428 225036240 242936850 257571600 267230535 270613200 274082600 281295300 285045904 323915800 328899120 356307380 375060400 388698960 411123900 427568856 445384225 485873700 534461070 548165200 562590600 647831600 712614760 822247800 855137712 890768450 971747400 1068922140 1125181200 1336152675 1425229520 1644495600 1781536900 1943494800 2137844280 2672305350 3563073800 4275688560 5344610700 7126147600 10689221400 21378442800
• Sum of all divisors σ(n): 86794444800
• Sum of proper divisors (its aliquot sum) s(n): 65416002000
• 21378442800 is an abundant number, because the sum of its proper divisors (65416002000) is greater than itself. Its abundance is 44037559200

Bases of 21378442800

• Binary: 10011111010010000010010011000110000₂
• Hexadecimal: 0x4FA412630
• Base-36: 9TK681C

Squares and roots of 21378442800

• 21378442800 squared (21378442800²) is 457037816552871840000
• 21378442800 cubed (21378442800³) is 9770756818612463807170752000000
• The square root of 21378442800 is 146213.6888256363
• The cube root of 21378442800 is 2775.3985435219

Scales and comparisons

• 21,378,442,800 seconds is equal to 679 years, 39 weeks, 6 days, 16 hours, 20 minutes.
• To count from 1 to 21,378,442,800 would take you about one thousand, three hundred fifty-nine 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 21378442800 cubic inches would be around 231.3 feet tall.

Recreational maths with 21378442800

• 21378442800 backwards is 00824487312
• 21378442800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21378442800's digits is 39
• More coming soon!