7989996872

Names of 7989996872

• Cardinal: 7989996872 can be written as Seven billion, nine hundred eighty-nine million, nine hundred ninety-six thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 7.989996872 × 10⁹

Factors of 7989996872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 43

Divisors of 7989996872

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 11 13 17 22 26 34 44 52 68 88 104 121 136 143 169 187 221 242 286 289 338 374 442 484 572 578 676 748 884 968 1144 1156 1352 1496 1573 1768 1859 2057 2197 2312 2431 2873 3146 3179 3718 3757 4114 4394 4862 5746 6292 6358 7436 7514 8228 8788 9724 11492 12584 12716 14872 15028 16456 17576 19448 20449 22984 24167 25432 26741 28561 30056 31603 34969 37349 40898 41327 48334 48841 53482 57122 63206 69938 74698 81796 82654 96668 97682 106964 114244 126412 139876 149396 163592 165308 193336 195364 213928 228488 252824 265837 279752 298792 314171 330616 347633 390728 410839 454597 485537 531674 537251 628342 634933 695266 821678 909194 971074 1063348 1074502 1256684 1269866 1390532 1643356 1818388 1942148 2126696 2149004 2513368 2539732 2781064 3286712 3455881 3636776 3884296 4298008 4519229 5079464 5340907 5909761 6911762 6984263 8254129 9038458 10681814 11819522 13823524 13968526 16508258 18076916 21363628 23639044 27647048 27937052 33016516 36153832 42727256 47278088 55874104 58749977 66033032 76826893 90795419 117499954 153653786 181590838 234999908 307307572 363181676 469999816 614615144 726363352 998749609 1997499218 3994998436 7989996872
• Sum of all divisors σ(n): 18950279565
• Sum of proper divisors (its aliquot sum) s(n): 10960282693
• 7989996872 is an abundant number, because the sum of its proper divisors (10960282693) is greater than itself. Its abundance is 2970285821

Bases of 7989996872

• Binary: 111011100001111011010110101001000₂
• Hexadecimal: 0x1DC3DAD48
• Base-36: 3O51D1K

Squares and roots of 7989996872

• 7989996872 squared (7989996872²) is 63840050014569784384
• 7989996872 cubed (7989996872³) is 510081799924736131653874446848
• The square root of 7989996872 is 89386.7824233539
• The cube root of 7989996872 is 1999.1660583191

Scales and comparisons

• 7,989,996,872 seconds is equal to 254 years, 2 weeks, 6 days, 19 hours, 34 minutes, 32 seconds.
• To count from 1 to 7,989,996,872 would take you about five hundred 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 7989996872 cubic inches would be around 166.6 feet tall.

Recreational maths with 7989996872

• 7989996872 backwards is 2786999897
• The number of decimal digits it has is: 10
• The sum of 7989996872's digits is 74
• More coming soon!