21107046870

Names of 21107046870

• Cardinal: 21107046870 can be written as Twenty-one billion, one hundred seven million, forty-six thousand, eight hundred seventy.

Scientific notation

• Scientific notation: 2.110704687 × 10¹⁰

Factors of 21107046870

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1401

Divisors of 21107046870

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 23 26 30 35 39 42 45 46 63 65 69 70 78 89 90 91 105 115 117 126 130 138 161 178 182 195 207 210 230 234 267 273 299 315 322 345 390 414 445 455 483 534 546 585 598 623 630 690 801 805 819 890 897 910 966 1035 1157 1170 1246 1259 1335 1365 1449 1495 1602 1610 1638 1794 1869 2047 2070 2093 2314 2415 2518 2670 2691 2730 2898 2990 3115 3471 3738 3777 4005 4094 4095 4186 4485 4830 5382 5607 5785 6141 6230 6279 6295 6942 7245 7554 8010 8099 8190 8813 8970 9345 10235 10413 10465 11214 11331 11570 12282 12558 12590 13455 14329 14490 16198 16367 17355 17626 18423 18690 18837 18885 20470 20826 20930 22662 24297 26439 26611 26910 28035 28658 28957 30705 31395 32734 34710 36846 37674 37770 40495 42987 44065 48594 49101 52065 52878 53222 56070 56655 57914 61410 62790 71645 72891 79317 79833 80990 81835 85974 86871 88130 92115 94185 98202 104130 112051 113310 114569 121485 128961 132195 133055 143290 144785 145782 147303 158634 159666 163670 173742 184230 186277 188370 202699 214935 224102 229138 239499 242970 245505 257922 260613 264390 266110 289570 294606 336153 343707 364455 372554 376441 396585 399165 405398 429870 434355 478998 491010 521226 558831 560255 572845 608097 644805 672306 687414 728910 736515 752882 784357 793170 798330 868710 931385 1008459 1013495 1031121 1117662 1120510 1129323 1145690 1197495 1216194 1289610 1303065 1456663 1473030 1568714 1676493 1680765 1718535 1824291 1862770 1882205 2016918 2026990 2062242 2258646 2353071 2394990 2577173 2606130 2635087 2794155 2913326 3040485 3352986 3361530 3387969 3437070 3648582 3764410 3921785 4369989 4706142 5042295 5154346 5155605 5270174 5588310 5646615 6080970 6775938 7059213 7283315 7731519 7843570 7905261 8382465 8739978 9121455 10084590 10196641 10311210 11293230 11765355 12885865 13109967 13175435 14118426 14566630 15463038 15810522 16764930 16939845 18040211 18242910 20393282 21849945 23194557 23530710 23715783 25771730 26219934 26350870 30589923 33503249 33879690 35296065 36080422 38657595 39526305 43699890 46389114 47431566 50983205 54120633 61179846 65549835 67006498 70592130 77315190 79052610 90201055 91769769 100509747 101966410 108241266 115972785 118578915 131099670 152949615 162361899 167516245 180402110 183539538 201019494 231945570 234522743 237157830 270603165 301529241 305899230 324723798 335032490 458848845 469045486 502548735 541206330 603058482 703568229 811809495 917697690 1005097470 1172613715 1407136458 1507646205 1623618990 2110704687 2345227430 3015292410 3517841145 4221409374 7035682290 10553523435 21107046870
• Sum of all divisors σ(n): 71327692800
• Sum of proper divisors (its aliquot sum) s(n): 50220645930
• 21107046870 is an abundant number, because the sum of its proper divisors (50220645930) is greater than itself. Its abundance is 29113599060

Bases of 21107046870

• Binary: 10011101010000100111111100111010110₂
• Hexadecimal: 0x4EA13F9D6
• Base-36: 9P2L9LI

Squares and roots of 21107046870

• 21107046870 squared (21107046870²) is 445507427572376796900
• 21107046870 cubed (21107046870³) is 9403346154703287369468770703000
• The square root of 21107046870 is 145282.6447652989
• The cube root of 21107046870 is 2763.6040778871

Scales and comparisons

• 21,107,046,870 seconds is equal to 671 years, 7 weeks, 1 day, 12 hours, 34 minutes, 30 seconds.
• To count from 1 to 21,107,046,870 would take you about one thousand, three hundred forty-two 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 21107046870 cubic inches would be around 230.3 feet tall.

Recreational maths with 21107046870

• 21107046870 backwards is 07864070112
• The number of decimal digits it has is: 11
• The sum of 21107046870's digits is 36
• More coming soon!