21371387310

Names of 21371387310

• Cardinal: 21371387310 can be written as Twenty-one billion, three hundred seventy-one million, three hundred eighty-seven thousand, three hundred ten.

Scientific notation

• Scientific notation: 2.137138731 × 10¹⁰

Factors of 21371387310

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 222

Divisors of 21371387310

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 17 18 21 26 29 30 34 35 39 42 45 51 58 63 65 67 70 78 79 85 87 90 91 102 105 117 119 126 130 134 145 153 158 170 174 182 195 201 203 210 221 234 237 238 255 261 273 290 306 315 335 357 377 390 395 402 406 435 442 455 469 474 493 510 522 546 553 585 595 603 609 630 663 670 711 714 754 765 790 819 870 871 910 938 986 1005 1015 1027 1071 1105 1106 1131 1139 1170 1185 1190 1206 1218 1305 1326 1343 1365 1407 1422 1479 1530 1547 1638 1659 1742 1785 1827 1885 1943 1989 2010 2030 2054 2142 2210 2262 2278 2291 2345 2370 2465 2610 2613 2639 2686 2730 2765 2814 2958 3015 3045 3081 3094 3315 3318 3393 3417 3451 3555 3570 3654 3770 3886 3978 4029 4095 4221 4355 4437 4582 4641 4690 4930 4977 5135 5226 5278 5293 5355 5530 5655 5695 5829 6030 6090 6097 6162 6409 6630 6715 6786 6834 6873 6902 7035 7110 7189 7395 7735 7839 7917 7973 8058 8190 8295 8442 8710 8874 9135 9243 9282 9401 9715 9945 9954 10251 10270 10353 10586 10710 11310 11390 11455 11658 12087 12194 12818 13065 13195 13430 13601 13746 13923 14070 14378 14790 14807 15405 15470 15678 15834 15879 15946 16037 16590 16965 17085 17255 17459 17487 18270 18291 18486 18802 19227 19430 19890 20145 20502 20619 20706 21105 21567 22185 22910 23205 23751 23919 24174 24885 25259 26130 26390 26465 27202 27846 28203 29145 29614 29783 30485 30810 31059 31758 32045 32074 33031 33930 34170 34365 34510 34918 34974 35945 36582 37051 38454 38947 39195 39585 39865 40290 40803 41238 42210 43134 44370 44421 44863 46215 46410 47005 47502 47637 47838 48111 49770 50518 51255 51765 52377 52930 54873 56406 57681 58290 59566 60435 60970 62118 64090 64701 66062 68005 68730 68809 69615 71757 71890 74035 74102 75777 77894 78390 79170 79395 79730 80185 81606 84609 87295 87435 88842 89349 89726 89981 91455 92430 94010 95274 96135 96222 99093 102510 103095 103530 103649 104754 107835 109746 111153 115362 116841 118755 119595 120870 122213 122409 126295 129402 133263 134589 136010 137618 139230 141015 143514 144333 148070 148915 151554 153497 155295 157131 158790 160370 165155 169218 174590 174870 176813 178698 179962 182910 185255 192270 194735 198186 204015 206190 206427 207298 208481 215670 222105 222306 224315 227331 231217 233682 237510 238185 239190 240555 244426 244818 252590 261885 266526 268047 269178 269943 272629 274365 282030 288405 288666 297279 297830 306994 310590 310947 314262 323505 330310 333459 344045 350523 353626 358785 366639 370510 378885 389470 403767 408030 412854 416962 423045 429403 444210 446745 448630 449905 454662 460491 462434 476370 481110 481663 495465 506311 518245 523770 530439 536094 539886 545258 548730 555765 576810 584205 594558 611065 612045 619281 621894 625443 629867 647010 666315 666918 672945 688090 693651 701046 717570 721665 733278 757770 767485 785655 807534 809829 817887 846090 858806 884065 893490 899810 920982 932841 963326 990930 1012622 1032135 1036490 1042405 1060878 1074479 1099917 1111530 1136655 1156085 1168410 1169753 1222130 1224090 1238562 1250886 1259734 1288209 1332630 1340235 1345890 1349715 1363145 1381473 1387302 1443330 1444989 1486395 1518933 1534970 1554735 1571310 1591317 1619658 1635774 1667295 1752615 1768130 1833195 1865682 1876329 1889601 1995461 2018835 2064270 2080953 2084810 2147015 2148958 2199834 2273310 2302455 2312170 2339506 2408315 2453661 2531555 2576418 2609449 2652195 2680470 2699430 2726290 2762946 2889978 2972790 3005821 3037866 3096405 3109470 3127215 3149335 3182634 3223437 3334590 3468255 3505230 3509259 3544177 3666390 3752658 3779202 3864627 3990922 4037670 4049145 4089435 4161906 4294030 4334967 4556799 4604910 4664205 4816630 4907322 5063110 5218898 5304390 5372395 5499585 5668803 5848765 5986383 6011642 6192810 6254430 6298670 6441045 6446874 6907365 6936510 7018518 7088354 7224945 7594665 7729254 7828347 7956585 8098290 8178870 8188271 8669934 9017463 9113598 9328410 9381645 9448005 9670311 9977305 10404765 10527777 10632531 10744790 10999170 11337606 11697530 11972766 12268305 12882090 13047245 13814730 13968227 14449890 15029105 15189330 15656694 15913170 16117185 16376542 17546295 17720885 17959149 18034926 18266143 18763290 18896010 19323135 19340622 19954610 20809530 21055554 21265062 21674835 22783995 23485041 24536610 24564813 26094490 27052389 27936454 28344015 29931915 30058210 31897593 32234370 33922837 35092590 35441770 35918298 36532286 38646270 39141735 40941355 41904681 43349670 45087315 45567990 46970082 48351555 49129626 52638885 53162655 54104778 54798429 56688030 59863830 63795186 67845674 69841135 73694439 78283470 81882710 83809362 89795745 90174630 91330715 96703110 101768511 105277770 106325310 109596858 117425205 122824065 125714043 135261945 139682270 147388878 159487965 164395287 169614185 179591490 182661430 203537022 209523405 234850410 237459859 245648130 251428086 270523890 273992145 305305533 318975930 328790574 339228370 368472195 419046810 474919718 508842555 547984290 610611066 628570215 712379577 736944390 821976435 1017685110 1187299295 1257140430 1424759154 1526527665 1643952870 2137138731 2374598590 3053055330 3561897885 4274277462 7123795770 10685693655 21371387310
• Sum of all divisors σ(n): 76988620800
• Sum of proper divisors (its aliquot sum) s(n): 55617233490
• 21371387310 is an abundant number, because the sum of its proper divisors (55617233490) is greater than itself. Its abundance is 34245846180

Bases of 21371387310

• Binary: 10011111001110101010111110110101110₂
• Hexadecimal: 0x4F9D57DAE
• Base-36: 9TFYZZI

Squares and roots of 21371387310

• 21371387310 squared (21371387310²) is 456736195554029036100
• 21371387310 cubed (21371387310³) is 9761086133681054561479071891000
• The square root of 21371387310 is 146189.5595109309
• The cube root of 21371387310 is 2775.0931899555

Scales and comparisons

• 21,371,387,310 seconds is equal to 679 years, 28 weeks, 2 days, 28 minutes, 30 seconds.
• To count from 1 to 21,371,387,310 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 21371387310 cubic inches would be around 231.3 feet tall.

Recreational maths with 21371387310

• 21371387310 backwards is 01378317312
• The number of decimal digits it has is: 11
• The sum of 21371387310's digits is 36
• More coming soon!