21379971600

Names of 21379971600

• Cardinal: 21379971600 can be written as Twenty-one billion, three hundred seventy-nine million, nine hundred seventy-one thousand, six hundred.

Scientific notation

• Scientific notation: 2.13799716 × 10¹⁰

Factors of 21379971600

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 200

Divisors of 21379971600

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 29 30 36 39 40 45 48 50 52 54 58 59 60 65 72 75 78 80 87 89 90 100 104 108 116 117 118 120 130 135 144 145 150 156 174 177 178 180 195 200 208 216 225 232 234 236 240 260 261 267 270 290 295 300 312 325 348 351 354 356 360 377 390 400 432 435 445 450 464 468 472 520 522 531 534 540 580 585 590 600 624 650 675 696 702 708 712 720 725 754 767 780 783 801 870 885 890 900 936 944 975 1040 1044 1062 1068 1080 1131 1157 1160 1170 1180 1200 1300 1305 1335 1350 1392 1404 1416 1424 1450 1475 1508 1534 1560 1566 1593 1602 1711 1740 1755 1770 1780 1800 1872 1885 1950 2088 2124 2136 2160 2175 2225 2262 2301 2314 2320 2340 2360 2403 2581 2600 2610 2655 2670 2700 2808 2832 2900 2925 2950 3016 3068 3120 3132 3186 3204 3393 3422 3471 3480 3510 3540 3560 3600 3770 3835 3900 3915 4005 4176 4248 4272 4350 4425 4450 4524 4602 4628 4680 4720 4806 5133 5162 5200 5220 5251 5310 5340 5400 5616 5655 5785 5800 5850 5900 6032 6136 6264 6372 6408 6525 6675 6786 6844 6903 6942 6960 7020 7080 7120 7540 7670 7743 7800 7830 7965 8010 8496 8555 8700 8775 8850 8900 9048 9204 9256 9360 9425 9612 10179 10266 10324 10413 10440 10502 10620 10680 10800 11310 11505 11570 11600 11700 11800 12015 12272 12528 12744 12816 12905 13050 13275 13350 13572 13688 13806 13884 14040 14160 15080 15340 15399 15486 15600 15660 15753 15930 16020 16965 17110 17355 17400 17550 17700 17800 18096 18408 18512 18850 19175 19224 19575 20025 20358 20532 20648 20709 20826 20880 21004 21240 21360 22243 22620 23010 23140 23229 23400 23600 24030 25488 25665 25810 26100 26255 26550 26700 27144 27376 27612 27768 28080 28275 28925 30160 30680 30798 30972 31239 31320 31506 31860 32040 33553 33930 34220 34515 34710 34800 35100 35400 35600 36816 37700 38350 38448 38715 39150 39825 40050 40716 41064 41296 41418 41652 42008 42480 42775 44486 45240 46020 46197 46280 46458 46800 47259 48060 50895 51330 51620 52065 52200 52510 53100 53400 54288 55224 55536 56550 57525 57850 60075 61360 61596 61944 62478 62640 63012 63720 64080 64525 66729 67106 67860 68263 68440 69030 69420 69687 70200 70800 75400 76700 76995 77430 78300 78765 79650 80100 81432 82128 82836 83304 84016 84825 85550 86775 88972 90480 92040 92394 92560 92916 94518 96120 100659 101790 102660 103240 103545 104130 104400 105020 106200 106800 110448 111215 113100 115050 115700 116145 120150 123192 123888 124956 126024 127440 128325 129050 131275 133458 134212 135720 136526 136880 138060 138840 139374 140400 141777 150800 152279 153400 153990 154860 156195 156600 157530 159300 160200 162864 165672 166608 167765 169650 171100 172575 173550 177944 184080 184788 185832 189036 192240 193575 200187 201318 203580 204789 205320 206480 207090 208260 210040 212400 222430 226200 230100 230985 231400 232290 236295 240300 246384 249912 252048 254475 256650 258100 260325 262550 266916 268424 271440 273052 276120 277680 278748 283554 301977 304558 306800 307980 309720 312390 313200 315060 318600 320400 331344 333645 335530 339300 341315 342200 345150 347100 348435 355888 369576 371664 378072 384975 387150 393825 400374 402636 407160 409578 410640 414180 416520 420080 444860 452400 456837 460200 461970 462800 464580 472590 480600 499824 503295 508950 513300 516200 517725 520650 525100 533832 536848 546104 552240 556075 557496 567108 580725 600561 603954 609116 614367 615960 619440 624780 630120 637200 667290 671060 678600 682630 684400 690300 694200 696870 708885 739152 756144 761395 769950 774300 780975 787650 800748 805272 814320 819156 828360 833040 838825 889720 905931 913674 920400 923940 929160 945180 961200 1000935 1006590 1017900 1023945 1026600 1032400 1035450 1041300 1050200 1067664 1092208 1112150 1114992 1134216 1154925 1161450 1181475 1201122 1207908 1218232 1228734 1231920 1249560 1260240 1334580 1342120 1357200 1365260 1370511 1380600 1388400 1393740 1417770 1509885 1522790 1539900 1548600 1561950 1575300 1601496 1610544 1638312 1656720 1668225 1677650 1706575 1742175 1779440 1811862 1827348 1843101 1847880 1858320 1890360 1979627 2001870 2013180 2035800 2047890 2053200 2070900 2082600 2100400 2224300 2268432 2284185 2309850 2322900 2362950 2402244 2415816 2436464 2457468 2499120 2516475 2669160 2684240 2730520 2741022 2761200 2787480 2835540 3002805 3019770 3045580 3071835 3079800 3097200 3123900 3150600 3202992 3276624 3336450 3355300 3413150 3484350 3544425 3623724 3654696 3686202 3695760 3780720 3806975 3959254 4003740 4026360 4071600 4095780 4111533 4141800 4165200 4448600 4529655 4568370 4619700 4645800 4725900 4804488 4831632 4914936 5004675 5032950 5119725 5338320 5461040 5482044 5574960 5671080 5938881 6005610 6039540 6091160 6143670 6159600 6247800 6301200 6672900 6710600 6826300 6852555 6968700 7088850 7247448 7309392 7372404 7549425 7613950 7918508 8007480 8052720 8191560 8223066 8283600 8897200 9059310 9136740 9215505 9239400 9291600 9451800 9608976 9829872 9898135 10009350 10065900 10239450 10964088 11342160 11420925 11877762 12011220 12079080 12182320 12287340 12495600 13345800 13421200 13652600 13705110 13937400 14177700 14494896 14744808 15014025 15098850 15227900 15359175 15837016 16014960 16383120 16446132 17816643 18118620 18273480 18431010 18478800 18903600 19796270 20018700 20131800 20478900 20557665 21928176 22648275 22841850 23755524 24022440 24158160 24574680 26691600 27305200 27410220 27874800 28355400 29489616 29694405 30028050 30197700 30455800 30718350 31674032 32892264 34262775 35633286 36237240 36546960 36862020 39592540 40037400 40263600 40957800 41115330 45296550 45683700 46077525 47511048 48044880 49149360 49490675 53449929 54820440 56710800 59388810 60056100 60395400 60911600 61436700 65784528 68525550 71266572 72474480 73724040 79185080 80074800 81915600 82230660 89083215 90593100 91367400 92155050 95022096 98981350 102788325 106899858 109640880 118777620 120112200 120790800 122873400 137051100 142533144 147448080 148472025 158370160 164461320 178166430 181186200 182734800 184310100 197962700 205576650 213799716 237555240 240224400 245746800 267249645 274102200 285066288 296944050 328922640 356332860 362372400 368620200 395925400 411153300 427599432 445416075 475110480 534499290 548204400 593888100 712665720 737240400 791850800 822306600 855198864 890832150 1068998580 1187776200 1336248225 1425331440 1644613200 1781664300 2137997160 2375552400 2672496450 3563328600 4275994320 5344992900 7126657200 10689985800 21379971600
• Sum of all divisors σ(n): 87181920000
• Sum of proper divisors (its aliquot sum) s(n): 65801948400
• 21379971600 is an abundant number, because the sum of its proper divisors (65801948400) is greater than itself. Its abundance is 44421976800

Bases of 21379971600

• Binary: 10011111010010110000111101000010000₂
• Hexadecimal: 0x4FA587A10
• Base-36: 9TL2ZO0

Squares and roots of 21379971600

• 21379971600 squared (21379971600²) is 457103185616806560000
• 21379971600 cubed (21379971600³) is 9772853126756852735493696000000
• The square root of 21379971600 is 146218.9166968487
• The cube root of 21379971600 is 2775.4646993871

Scales and comparisons

• 21,379,971,600 seconds is equal to 679 years, 42 weeks, 3 days, 9 hours.
• To count from 1 to 21,379,971,600 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 21379971600 cubic inches would be around 231.3 feet tall.

Recreational maths with 21379971600

• 21379971600 backwards is 00617997312
• 21379971600 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21379971600's digits is 45
• More coming soon!