21040507488

Names of 21040507488

• Cardinal: 21040507488 can be written as Twenty-one billion, forty million, five hundred seven thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1040507488 × 10¹⁰

Factors of 21040507488

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1076

Divisors of 21040507488

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 16 21 22 24 26 28 31 32 33 39 42 44 48 49 52 56 62 66 77 78 84 88 91 93 96 98 104 112 124 132 143 147 154 156 168 176 182 186 196 208 217 224 231 248 264 273 286 294 308 312 336 341 352 364 372 392 403 416 429 434 462 496 528 539 546 572 588 616 624 637 651 672 682 728 744 784 806 858 868 924 992 1001 1009 1023 1056 1078 1092 1144 1176 1209 1232 1248 1274 1302 1364 1456 1488 1519 1568 1612 1617 1716 1736 1848 1911 2002 2018 2046 2156 2184 2288 2352 2387 2418 2464 2548 2604 2728 2821 2912 2976 3003 3027 3038 3224 3234 3432 3472 3696 3822 4004 4036 4092 4312 4368 4433 4557 4576 4704 4774 4836 5096 5208 5456 5642 6006 6054 6076 6448 6468 6864 6944 7007 7063 7161 7392 7644 8008 8072 8184 8463 8624 8736 8866 9114 9548 9672 10192 10416 10912 11099 11284 12012 12108 12152 12896 12936 13117 13299 13728 14014 14126 14322 15288 16016 16144 16368 16709 16926 17248 17732 18228 19096 19344 19747 20384 20832 21021 21189 22198 22568 24024 24216 24304 25872 26234 26598 28028 28252 28644 30576 31031 31279 32032 32288 32736 33297 33418 33852 35464 36456 38192 38688 39351 39494 42042 42378 44396 45136 48048 48432 48608 49441 50127 51744 52468 53196 56056 56504 57288 59241 61152 62062 62558 66594 66836 67704 70928 72912 76384 77693 78702 78988 84084 84756 88792 90272 91819 93093 93837 96096 96864 98882 100254 104936 106392 112112 113008 114576 118482 124124 125116 133188 133672 135408 141856 144287 145824 148323 155386 157404 157976 168168 169512 177584 183638 186186 187674 197764 200508 209872 212784 217217 218953 224224 226016 229152 233079 236964 248248 250232 266376 267344 270816 275457 288574 296646 310772 314808 315952 336336 339024 344069 355168 367276 372372 375348 395528 401016 406627 419744 425568 432861 434434 437906 466158 473928 496496 500464 532752 534688 543851 550914 577148 593292 621544 629616 631904 642733 651651 656859 672672 678048 688138 734552 744744 750696 791056 802032 813254 865722 868868 875812 932316 947856 992992 1000928 1010009 1032207 1065504 1087702 1101828 1154296 1186584 1219881 1243088 1259232 1285466 1303302 1313718 1376276 1469104 1489488 1501392 1532671 1582112 1604064 1626508 1631553 1731444 1737736 1751624 1864632 1895712 1928199 2020018 2064414 2175404 2203656 2308592 2373168 2408483 2439762 2486176 2570932 2606604 2627436 2752552 2846389 2938208 2978976 3002784 3030027 3065342 3253016 3263106 3462888 3475472 3503248 3729264 3856398 4040036 4128828 4350808 4407312 4472897 4598013 4617184 4746336 4816966 4879524 5141864 5213208 5254872 5505104 5692778 6060054 6130684 6506032 6526212 6925776 6950944 7006496 7070063 7225449 7458528 7712796 8080072 8257656 8539167 8701616 8814624 8945794 9196026 9633932 9759048 10283728 10426416 10509744 11010208 11385556 12120108 12261368 13012064 13052424 13418691 13851552 14140126 14450898 15425592 16160144 16515312 16859381 17078334 17403232 17891588 18392052 19267864 19518096 19924723 20567456 20852832 21019488 21210189 22771112 24240216 24522736 26104848 26837382 28280252 28901796 30851184 31310279 32320288 33030624 33718762 34156668 35783176 36784104 38535728 39036192 39849446 42420378 45542224 48480432 49045472 50578143 52209696 53674764 56560504 57803592 59774169 61702368 62620558 67437524 68313336 71566352 73568208 77071456 79698892 84840756 91084448 93930837 96960864 101156286 107349528 113121008 115607184 119548338 125241116 134875048 136626672 143132704 147136416 159397784 169681512 187861674 202312572 214699056 219171953 226242016 231214368 239096676 250482232 269750096 273253344 318795568 339363024 375723348 404625144 429398112 438343906 478193352 500964464 539500192 637591136 657515859 678726048 751446696 809250288 876687812 956386704 1001928928 1315031718 1502893392 1618500576 1753375624 1912773408 2630063436 3005786784 3506751248 5260126872 7013502496 10520253744 21040507488
• Sum of all divisors σ(n): 77993072640
• Sum of proper divisors (its aliquot sum) s(n): 56952565152
• 21040507488 is an abundant number, because the sum of its proper divisors (56952565152) is greater than itself. Its abundance is 35912057664

Bases of 21040507488

• Binary: 10011100110000111001010101001100000₂
• Hexadecimal: 0x4E61CAA60
• Base-36: 9NYZ3HC

Squares and roots of 21040507488

• 21040507488 squared (21040507488²) is 442702955352584070144
• 21040507488 cubed (21040507488³) is 9314694847055774808014349238272
• The square root of 21040507488 is 145053.4642399139
• The cube root of 21040507488 is 2760.6969590437

Scales and comparisons

• 21,040,507,488 seconds is equal to 669 years, 1 week, 1 day, 9 hours, 24 minutes, 48 seconds.
• To count from 1 to 21,040,507,488 would take you about one thousand, three hundred thirty-eight 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 21040507488 cubic inches would be around 230.1 feet tall.

Recreational maths with 21040507488

• 21040507488 backwards is 88470504012
• 21040507488 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21040507488's digits is 39
• More coming soon!