21170068920

Names of 21170068920

• Cardinal: 21170068920 can be written as Twenty-one billion, one hundred seventy million, sixty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.117006892 × 10¹⁰

Factors of 21170068920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4560

Divisors of 21170068920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 20 21 22 24 26 28 30 33 35 36 39 40 42 44 45 52 55 56 60 63 65 66 70 72 77 78 84 88 90 91 99 104 105 110 117 120 126 130 132 140 143 154 156 165 168 169 180 182 195 198 210 220 231 234 252 260 264 273 280 286 308 312 315 330 338 360 364 385 390 396 420 429 440 455 462 468 495 504 507 520 546 572 585 616 630 660 676 693 715 728 770 780 792 819 840 845 858 910 924 936 990 1001 1014 1092 1144 1155 1170 1183 1260 1287 1320 1352 1365 1386 1430 1521 1540 1560 1638 1690 1716 1820 1848 1859 1980 2002 2028 2145 2184 2310 2340 2366 2520 2535 2574 2730 2772 2860 3003 3042 3080 3276 3380 3432 3465 3549 3640 3718 3960 4004 4056 4095 4290 4519 4620 4680 4732 5005 5070 5148 5460 5544 5577 5720 5915 6006 6084 6435 6552 6760 6930 7098 7436 7605 8008 8190 8580 9009 9038 9240 9295 9464 10010 10140 10296 10647 10920 11154 11830 12012 12168 12870 13013 13557 13860 14196 14872 15015 15210 16380 16731 17160 17745 18018 18076 18590 20020 20280 21294 22308 22595 23660 24024 25740 26026 27114 27720 27885 28392 30030 30420 31633 32760 33462 35490 36036 36152 37180 39039 40040 40671 42588 44616 45045 45190 47320 49709 51480 52052 53235 54228 55770 58747 60060 60840 63266 65065 66924 67785 70980 72072 74360 78078 81342 83655 85176 90090 90380 94899 99418 104104 106470 108456 111540 117117 117494 120120 126532 130130 133848 135570 141960 149127 156156 158165 162684 167310 176241 180180 180760 189798 195195 198836 203355 212940 223080 234234 234988 248545 253064 260260 271140 284697 293735 298254 312312 316330 325368 334620 347963 352482 360360 379596 390390 397672 406710 411229 425880 447381 468468 469976 474495 497090 520520 528723 542280 569394 585585 587470 596508 632660 646217 669240 695926 704964 745635 759192 763711 780780 813420 822458 881205 894762 936936 948990 994180 1043889 1057446 1138788 1171170 1174940 1193016 1233687 1265320 1292434 1391852 1409928 1423485 1491270 1527422 1561560 1626840 1644916 1739815 1762410 1789524 1897980 1938651 1988360 2056145 2087778 2114892 2236905 2277576 2291133 2342340 2349880 2467374 2584868 2643615 2783704 2846970 2982540 3054844 3131667 3231085 3289832 3479630 3524820 3579048 3701061 3795960 3818555 3877302 4112290 4175556 4229784 4473810 4523519 4582266 4684680 4934748 5169736 5219445 5287230 5345977 5693940 5815953 5965080 6109688 6168435 6263334 6462170 6873399 6959260 7049640 7402122 7637110 7754604 8224580 8351112 8400821 8947620 9047038 9164532 9693255 9869496 10438890 10574460 10691954 11387880 11455665 11631906 12336870 12526668 12924340 13570557 13746798 13918520 14804244 15274220 15509208 15658335 16037931 16449160 16801642 17895240 18094076 18329064 18505305 19386510 20877780 21148920 21383908 22617595 22911330 23263812 24673740 25053336 25202463 25848680 26729885 27141114 27493596 29079765 29608488 30548440 31316670 32075862 33603284 34366995 36188152 37010610 38773020 40711671 41755560 42004105 42767816 45235190 45822660 46527624 48113793 49347480 50404926 53459770 54282228 54987192 58159530 58805747 62633340 64151724 67206568 67852785 68733990 74021220 75607389 77546040 80189655 81423342 84008210 90470380 91645320 96227586 100809852 106919540 108564456 116319060 117611494 125266680 126012315 128303448 135705570 137467980 148042440 151214778 160379310 162846684 168016420 176417241 180940760 192455172 201619704 203558355 213839080 232638120 235222988 240568965 252024630 271411140 274935960 294028735 302429556 320758620 325693368 336032840 352834482 378036945 384910344 407116710 470445976 481137930 504049260 529251723 542822280 588057470 604859112 641517240 705668964 756073890 814233420 882086205 962275860 1008098520 1058503446 1176114940 1411337928 1512147780 1628466840 1764172410 1924551720 2117006892 2352229880 2646258615 3024295560 3528344820 4234013784 5292517230 7056689640 10585034460 21170068920
• Sum of all divisors σ(n): 92906611200
• Sum of proper divisors (its aliquot sum) s(n): 71736542280
• 21170068920 is an abundant number, because the sum of its proper divisors (71736542280) is greater than itself. Its abundance is 50566473360

Bases of 21170068920

• Binary: 10011101101110101011001110110111000₂
• Hexadecimal: 0x4EDD59DB8
• Base-36: 9Q441Q0

Squares and roots of 21170068920

• 21170068920 squared (21170068920²) is 448171818077549966400
• 21170068920 cubed (21170068920³) is 9487828276703434693431684288000
• The square root of 21170068920 is 145499.3777306281
• The cube root of 21170068920 is 2766.3518953513

Scales and comparisons

• 21,170,068,920 seconds is equal to 673 years, 7 weeks, 2 days, 22 hours, 42 minutes.
• To count from 1 to 21,170,068,920 would take you about one thousand, three hundred forty-six 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 21170068920 cubic inches would be around 230.5 feet tall.

Recreational maths with 21170068920

• 21170068920 backwards is 02986007112
• 21170068920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21170068920's digits is 36
• More coming soon!