30724721664

Names of 30724721664

• Cardinal: 30724721664 can be written as Thirty billion, seven hundred twenty-four million, seven hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 3.0724721664 × 10¹⁰

Factors of 30724721664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2268

Divisors of 30724721664

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 64 78 84 91 96 98 104 112 128 147 156 168 182 192 196 208 224 256 273 294 312 336 343 364 384 392 416 448 512 546 588 624 637 672 686 728 768 784 832 896 1024 1029 1092 1176 1248 1274 1344 1372 1456 1536 1568 1664 1792 1911 2058 2184 2243 2352 2496 2548 2688 2744 2912 3072 3136 3328 3584 3822 4116 4368 4459 4486 4704 4992 5096 5376 5488 5824 6272 6656 6729 7168 7644 8232 8736 8918 8972 9408 9984 10192 10752 10976 11648 12544 13312 13377 13458 15288 15701 16464 17472 17836 17944 18816 19968 20384 21504 21952 23296 25088 26754 26916 29159 30576 31402 32928 34944 35672 35888 37632 39936 40768 43904 46592 47103 50176 53508 53832 58318 61152 62804 65856 69888 71344 71776 75264 81536 87477 87808 93184 94206 107016 107664 109907 116636 122304 125608 131712 139776 142688 143552 150528 163072 174954 175616 188412 204113 214032 215328 219814 233272 244608 251216 263424 279552 285376 287104 326144 329721 349908 351232 376824 408226 428064 430656 439628 466544 489216 502432 526848 570752 574208 612339 652288 659442 699816 753648 769349 816452 856128 861312 879256 933088 978432 1004864 1053696 1141504 1148416 1224678 1318884 1399632 1428791 1507296 1538698 1632904 1712256 1722624 1758512 1866176 1956864 2009728 2283008 2296832 2308047 2449356 2637768 2799264 2857582 3014592 3077396 3265808 3424512 3445248 3517024 3732352 4019456 4286373 4566016 4616094 4898712 5275536 5598528 5715164 6029184 6154792 6531616 6849024 6890496 7034048 7464704 8038912 8572746 9232188 9797424 10001537 10551072 11197056 11430328 12058368 12309584 13063232 13698048 14068096 14929408 16077824 17145492 18464376 19594848 20003074 21102144 22394112 22860656 24116736 24619168 26126464 28136192 29858816 30004611 34290984 36928752 39189696 40006148 42204288 44788224 45721312 48233472 49238336 52252928 56272384 60009222 68581968 73857504 78379392 80012296 84408576 89576448 91442624 98476672 104505856 112544768 120018444 137163936 147715008 156758784 160024592 168817152 182885248 196953344 209011712 240036888 274327872 295430016 313517568 320049184 337634304 365770496 393906688 480073776 548655744 590860032 627035136 640098368 731540992 787813376 960147552 1097311488 1181720064 1280196736 1463081984 1920295104 2194622976 2363440128 2560393472 3840590208 4389245952 5120786944 7681180416 10241573888 15362360832 30724721664
• Sum of all divisors σ(n): 102893683200
• Sum of proper divisors (its aliquot sum) s(n): 72168961536
• 30724721664 is an abundant number, because the sum of its proper divisors (72168961536) is greater than itself. Its abundance is 41444239872

Bases of 30724721664

• Binary: 11100100111010101100000110000000000₂
• Hexadecimal: 0x727560C00
• Base-36: E44PEYO

Squares and roots of 30724721664

• 30724721664 squared (30724721664²) is 944008521330270928896
• 30724721664 cubed (30724721664³) is 29004399066316781308040334802944
• The square root of 30724721664 is 175284.6874772579
• The cube root of 30724721664 is 3132.0545620901

Scales and comparisons

• 30,724,721,664 seconds is equal to 976 years, 49 weeks, 3 days, 4 hours, 54 minutes, 24 seconds.
• To count from 1 to 30,724,721,664 would take you about one thousand, nine hundred fifty-three 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 30724721664 cubic inches would be around 261 feet tall.

Recreational maths with 30724721664

• 30724721664 backwards is 46612742703
• 30724721664 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30724721664's digits is 42
• More coming soon!