18634451472

Names of 18634451472

• Cardinal: 18634451472 can be written as Eighteen billion, six hundred thirty-four million, four hundred fifty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8634451472 × 10¹⁰

Factors of 18634451472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3911

Divisors of 18634451472

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 49 52 53 56 63 72 78 84 91 98 104 106 112 117 126 144 147 156 159 168 182 196 208 212 234 252 273 294 312 318 336 364 371 392 424 441 468 477 504 546 588 624 636 637 689 728 742 784 819 848 882 936 954 1008 1092 1113 1176 1272 1274 1378 1456 1484 1638 1764 1872 1908 1911 2067 2184 2226 2352 2544 2548 2597 2756 2968 3276 3339 3528 3816 3822 3833 4134 4368 4452 4823 5096 5194 5512 5733 5936 6201 6552 6678 7056 7632 7644 7666 7791 8268 8904 9646 10192 10388 11024 11466 11499 12402 13104 13356 14469 15288 15332 15582 16536 17808 19292 20776 22932 22998 23373 24804 26712 26831 28938 30576 30664 31164 33072 33761 34497 38584 41552 43407 45864 45996 46746 49608 49829 53424 53662 57876 61328 62328 67522 68994 77168 80493 86814 91728 91992 93492 99216 99658 101283 107324 115752 124656 135044 137988 149487 160986 173628 183984 186984 187817 199316 202566 203149 214648 231504 241479 270088 275976 298974 303849 321972 347256 348803 373968 375634 398632 405132 406298 429296 448461 482958 540176 551952 563451 597948 607698 609447 643944 694512 697606 751268 797264 810264 812596 896922 965916 1046409 1126902 1195896 1215396 1218894 1287888 1395212 1422043 1502536 1620528 1625192 1690353 1793844 1828341 1931832 2092818 2253804 2391792 2430792 2437788 2441621 2640937 2790424 2844086 3005072 3139227 3250384 3380706 3587688 3656682 3863664 4185636 4266129 4507608 4861584 4875576 4883242 5281874 5580848 5688172 6278454 6761412 7175376 7313364 7324863 7922811 8371272 8532258 9015216 9751152 9766484 9954301 10563748 11376344 12556908 12798387 13522824 14626728 14649726 15845622 16742544 17064516 18486559 19532968 19908602 21127496 21974589 22752688 23768433 25113816 25596774 27045648 29253456 29299452 29862903 31691244 34129032 36973118 39065936 39817204 42254992 43949178 47536866 50227632 51193548 55459677 58598904 59725806 63382488 68258064 73946236 79634408 87898356 89588709 95073732 102387096 110919354 117197808 119451612 126764976 129405913 147892472 159268816 166379031 175796712 179177418 190147464 204774192 221838708 238903224 258811826 295784944 332758062 351593424 358354836 380294928 388217739 443677416 477806448 517623652 665516124 716709672 776435478 887354832 1035247304 1164653217 1331032248 1433419344 1552870956 2070494608 2329306434 2662064496 3105741912 4658612868 6211483824 9317225736 18634451472
• Sum of all divisors σ(n): 66581535384
• Sum of proper divisors (its aliquot sum) s(n): 47947083912
• 18634451472 is an abundant number, because the sum of its proper divisors (47947083912) is greater than itself. Its abundance is 29312632440

Bases of 18634451472

• Binary: 10001010110101100110010101000010000₂
• Hexadecimal: 0x456B32A10
• Base-36: 8K6GYS0

Squares and roots of 18634451472

• 18634451472 squared (18634451472²) is 347242781662322966784
• 18634451472 cubed (18634451472³) is 6470678763888848815327515906048
• The square root of 18634451472 is 136508.0637618159
• The cube root of 18634451472 is 2651.1779015129

Scales and comparisons

• 18,634,451,472 seconds is equal to 592 years, 26 weeks, 6 days, 12 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,634,451,472 would take you about one thousand, one hundred eighty-five 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 18634451472 cubic inches would be around 220.9 feet tall.

Recreational maths with 18634451472

• 18634451472 backwards is 27415443681
• The number of decimal digits it has is: 11
• The sum of 18634451472's digits is 45
• More coming soon!