21050723694

Names of 21050723694

• Cardinal: 21050723694 can be written as Twenty-one billion, fifty million, seven hundred twenty-three thousand, six hundred ninety-four.

Scientific notation

• Scientific notation: 2.1050723694 × 10¹⁰

Factors of 21050723694

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 128

Divisors of 21050723694

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 11 13 14 19 21 22 26 33 38 39 42 49 57 66 73 77 78 91 98 114 133 143 146 147 154 182 209 219 231 247 266 273 286 294 361 399 418 429 438 462 494 511 539 546 627 637 722 741 798 803 858 931 949 1001 1022 1078 1083 1254 1274 1387 1463 1482 1533 1606 1617 1729 1862 1898 1911 2002 2166 2409 2527 2717 2774 2793 2847 2926 3003 3066 3234 3458 3577 3822 3971 4161 4389 4693 4818 5054 5187 5434 5586 5621 5694 6006 6643 6859 7007 7154 7581 7942 8151 8322 8778 9386 9709 10241 10374 10439 10731 11242 11913 12103 13286 13718 14014 14079 15162 15257 16302 16863 17689 18031 19019 19418 19929 20482 20577 20878 21021 21462 23826 24206 26353 27797 28158 29127 30514 30723 31317 32851 33726 35378 36062 36309 38038 39347 39858 41154 42042 45771 46501 48013 51623 52706 53067 54093 55594 57057 58254 61446 62634 65702 67963 72618 73073 75449 78694 79059 83391 89167 91542 93002 96026 98553 103246 106134 106799 108186 114114 118041 126217 133133 135926 139503 144039 146146 150898 154869 158118 166782 178334 184471 194579 197106 198341 203889 213598 219219 226347 229957 236082 252434 266266 267501 279006 288078 289883 309738 320397 336091 342589 361361 368942 378651 389158 396682 399399 407778 438438 452694 459914 500707 511511 528143 535002 553413 579766 583737 595023 624169 640794 672182 685178 689871 722722 747593 757302 798798 869649 883519 980837 1001414 1008273 1023022 1027767 1056286 1084083 1106826 1167474 1190046 1248338 1291297 1379742 1388387 1495186 1502121 1534533 1584429 1739298 1767038 1872507 1961674 2016546 2029181 2055534 2168166 2242779 2398123 2529527 2582594 2650557 2776774 2942511 3004242 3069066 3168858 3504949 3697001 3745014 3768479 3873891 4058362 4165161 4369183 4485558 4796246 5059054 5301114 5507777 5885022 6087543 6509191 6865859 7009898 7194369 7394002 7536958 7588581 7747782 8330322 8738366 9718709 10514847 11015554 11091003 11305437 12175086 13018382 13107549 13731718 14204267 14388738 15177162 16523331 16786861 19437418 19527573 20597577 21029694 22182006 22610874 24534643 26215098 26379353 28408534 29156127 33046662 33573722 38554439 39055146 41195154 42612801 45564337 48061013 49069286 50360583 52758706 58312254 71601101 73603929 77108878 79138059 85225602 91128674 96122026 100721166 115663317 136693011 143202202 144183039 147207858 158276118 184655471 214803303 231326634 269881073 273386022 288366078 318950359 369310942 429606606 501207707 539762146 553966413 637900718 809643219 956851077 1002415414 1107932826 1503623121 1619286438 1913702154 3007246242 3508453949 7016907898 10525361847 21050723694
• Sum of all divisors σ(n): 61565253120
• Sum of proper divisors (its aliquot sum) s(n): 40514529426
• 21050723694 is an abundant number, because the sum of its proper divisors (40514529426) is greater than itself. Its abundance is 19463805732

Bases of 21050723694

• Binary: 10011100110101110001000110101101110₂
• Hexadecimal: 0x4E6B88D6E
• Base-36: 9O522CU

Squares and roots of 21050723694

• 21050723694 squared (21050723694²) is 443132968041133005636
• 21050723694 cubed (21050723694³) is 9328269669936023328347180739384
• The square root of 21050723694 is 145088.6752782587
• The cube root of 21050723694 is 2761.1437050059

Scales and comparisons

• 21,050,723,694 seconds is equal to 669 years, 18 weeks, 15 hours, 14 minutes, 54 seconds.
• To count from 1 to 21,050,723,694 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 21050723694 cubic inches would be around 230.1 feet tall.

Recreational maths with 21050723694

• 21050723694 backwards is 49632705012
• 21050723694 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21050723694's digits is 39
• More coming soon!