73129745808

Names of 73129745808

• Cardinal: 73129745808 can be written as Seventy-three billion, one hundred twenty-nine million, seven hundred forty-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 7.3129745808 × 10¹⁰

Factors of 73129745808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 689

Divisors of 73129745808

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 81 84 98 108 112 126 144 147 162 168 189 196 216 243 252 294 324 336 343 378 392 432 441 486 504 567 588 648 677 686 729 756 784 882 972 1008 1029 1134 1176 1296 1323 1354 1372 1458 1512 1701 1764 1944 2031 2058 2187 2268 2352 2646 2708 2744 2916 3024 3087 3402 3528 3888 3969 4062 4116 4374 4536 4739 5103 5292 5416 5488 5832 6093 6174 6561 6804 7056 7938 8124 8232 8748 9072 9261 9478 10206 10584 10832 11664 11907 12186 12348 13122 13608 14217 15309 15876 16248 16464 17496 18279 18522 18956 19683 20412 21168 23814 24372 24696 26244 27216 27783 28434 30618 31752 32496 33173 34992 35721 36558 37044 37912 39366 40824 42651 45927 47628 48744 49392 52488 54837 55566 56868 61236 63504 66346 71442 73116 74088 75824 78732 81648 83349 85302 91854 95256 97488 99519 104976 107163 109674 111132 113736 122472 127953 132692 137781 142884 146232 148176 157464 164511 166698 170604 183708 190512 199038 214326 219348 222264 227472 232211 244944 250047 255906 265384 275562 285768 292464 298557 314928 321489 329022 333396 341208 367416 383859 398076 428652 438696 444528 464422 493533 500094 511812 530768 551124 571536 597114 642978 658044 666792 682416 696633 734832 750141 767718 796152 857304 877392 895671 928844 964467 987066 1000188 1023624 1102248 1151577 1194228 1285956 1316088 1333584 1393266 1480599 1500282 1535436 1592304 1714608 1791342 1857688 1928934 1974132 2000376 2047248 2089899 2204496 2250423 2303154 2388456 2571912 2632176 2687013 2786532 2961198 3000564 3070872 3454731 3582684 3715376 3857868 3948264 4000752 4179798 4441797 4500846 4606308 4776912 5143824 5374026 5573064 5922396 6001128 6141744 6269697 6751269 6909462 7165368 7715736 7896528 8061039 8359596 8883594 9001692 9212616 10364193 10748052 11146128 11844792 12002256 12539394 13325391 13502538 13818924 14330736 15431472 16122078 16719192 17767188 18003384 18425232 18809091 20728386 21496104 23689584 24183117 25078788 26650782 27005076 27637848 31092579 32244156 33438384 35534376 36006768 37618182 41456772 42992208 48366234 50157576 53301564 54010152 55275696 56427273 62185158 64488312 71068752 72549351 75236364 82913544 93277737 96732468 100315152 106603128 108020304 112854546 124370316 128976624 145098702 150472728 165827088 169281819 186555474 193464936 213206256 217648053 225709092 248740632 290197404 300945456 338563638 373110948 386929872 435296106 451418184 497481264 507845457 580394808 652944159 677127276 746221896 870592212 902836368 1015690914 1160789616 1305888318 1354254552 1492443792 1523536371 1741184424 2031381828 2611776636 2708509104 3047072742 3482368848 4062763656 4570609113 5223553272 6094145484 8125527312 9141218226 10447106544 12188290968 18282436452 24376581936 36564872904 73129745808
• Sum of all divisors σ(n): 248214172800
• Sum of proper divisors (its aliquot sum) s(n): 175084426992
• 73129745808 is an abundant number, because the sum of its proper divisors (175084426992) is greater than itself. Its abundance is 101954681184

Bases of 73129745808

• Binary: 1000100000110110111110101110110010000₂
• Hexadecimal: 0x1106DF5D90
• Base-36: XLFK900

Squares and roots of 73129745808

• 73129745808 squared (73129745808²) is 5347959721942693572864
• 73129745808 cubed (73129745808³) is 391094935057091540926379646554112
• The square root of 73129745808 is 270425.1205195257
• The cube root of 73129745808 is 4181.8137662561

Scales and comparisons

• 73,129,745,808 seconds is equal to 2,325 years, 15 weeks, 4 days, 2 hours, 16 minutes, 48 seconds.
• To count from 1 to 73,129,745,808 would take you about four thousand, six hundred fifty 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 73129745808 cubic inches would be around 348.5 feet tall.

Recreational maths with 73129745808

• 73129745808 backwards is 80854792137
• 73129745808 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 73129745808's digits is 54
• More coming soon!