3981736668

Names of 3981736668

• Cardinal: 3981736668 can be written as Three billion, nine hundred eighty-one million, seven hundred thirty-six thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 3.981736668 × 10⁹

Factors of 3981736668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2399

Divisors of 3981736668

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 17 21 26 28 34 39 42 49 51 52 68 78 84 91 98 102 119 147 156 169 182 196 204 221 238 273 294 338 357 364 442 476 507 546 588 637 663 676 714 833 884 1014 1092 1183 1274 1326 1428 1547 1666 1911 2028 2357 2366 2499 2548 2652 2873 3094 3332 3549 3822 4641 4714 4732 4998 5746 6188 7071 7098 7644 8281 8619 9282 9428 9996 10829 11492 14142 14196 16499 16562 17238 18564 20111 21658 24843 28284 30641 32487 32998 33124 34476 40069 40222 43316 49497 49686 60333 61282 64974 65996 80138 80444 91923 98994 99372 115493 120207 120666 122564 129948 140777 160276 183846 197988 214487 230986 240414 241332 280483 281554 346479 367692 398333 422331 428974 461972 480828 520897 560966 563108 643461 692958 796666 841449 844662 857948 1041794 1121932 1194999 1286922 1385916 1501409 1562691 1593332 1682898 1689324 1963381 2083588 2389998 2573844 2788331 3002818 3125382 3365796 3646279 3926762 4504227 4779996 5576662 5890143 6005636 6250764 6771661 7292558 7853524 8364993 9008454 10938837 11153324 11780286 13543322 14585116 16729986 18016908 19518317 20314983 21877674 23560572 25523953 27086644 33459972 39036634 40629966 43755348 47401627 51047906 58554951 76571859 78073268 81259932 94803254 102095812 117109902 142204881 153143718 189606508 234219804 284409762 306287436 331811389 568819524 663622778 995434167 1327245556 1990868334 3981736668
• Sum of all divisors σ(n): 12396534192
• Sum of proper divisors (its aliquot sum) s(n): 8414797524
• 3981736668 is an abundant number, because the sum of its proper divisors (8414797524) is greater than itself. Its abundance is 4433060856

Bases of 3981736668

• Binary: 11101101010101000111101011011100₂
• Hexadecimal: 0xED547ADC
• Base-36: 1TUMFOC

Squares and roots of 3981736668

• 3981736668 squared (3981736668²) is 15854226893295742224
• 3981736668 cubed (3981736668³) is 63127356563827380181576669632
• The square root of 3981736668 is 63101.0037004165
• The cube root of 3981736668 is 1584.9814296571

Scales and comparisons

• 3,981,736,668 seconds is equal to 126 years, 31 weeks, 3 days, 21 hours, 57 minutes, 48 seconds.
• To count from 1 to 3,981,736,668 would take you about two 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 3981736668 cubic inches would be around 132.1 feet tall.

Recreational maths with 3981736668

• 3981736668 backwards is 8666371893
• The number of decimal digits it has is: 10
• The sum of 3981736668's digits is 57
• More coming soon!