399639144672

Names of 399639144672

• Cardinal: 399639144672 can be written as Three hundred ninety-nine billion, six hundred thirty-nine million, one hundred forty-four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 3.99639144672 × 10¹¹

Factors of 399639144672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13522

Divisors of 399639144672

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 124 144 186 248 279 288 372 496 558 744 992 1116 1488 2232 2976 4464 5903 7583 8928 11806 15166 17709 22749 23612 30332 35418 45498 47224 53127 60664 68247 70836 90996 94448 106254 121328 136494 141672 181992 182993 188896 212508 235073 242656 272988 283344 363984 365986 425016 470146 545976 548979 566688 705219 727968 731972 850032 940292 1091952 1097958 1410438 1463944 1646937 1700064 1880584 2115657 2183904 2195916 2820876 2927888 3293874 3761168 4231314 4391832 5641752 5855776 6587748 7522336 8462628 8783664 11283504 13175496 16925256 17567328 22567008 26350992 33850512 44762449 52701984 67701024 89524898 134287347 179049796 268574694 358099592 402862041 537149388 716199184 805724082 1074298776 1387635919 1432398368 1611448164 2148597552 2775271838 3222896328 4162907757 4297195104 5550543676 6445792656 8325815514 11101087352 12488723271 12891585312 16651631028 22202174704 24977446542 33303262056 44404349408 49954893084 66606524112 99909786168 133213048224 199819572336 399639144672
• Sum of all divisors σ(n): 1173487730688
• Sum of proper divisors (its aliquot sum) s(n): 773848586016
• 399639144672 is an abundant number, because the sum of its proper divisors (773848586016) is greater than itself. Its abundance is 374209441344

Bases of 399639144672

• Binary: 101110100001100010110010110100011100000₂
• Hexadecimal: 0x5D0C5968E0
• Base-36: 53LATTK0

Squares and roots of 399639144672

• 399639144672 squared (399639144672²) is 159711445954167745987584
• 399639144672 cubed (399639144672³) is 63826945655451952920088229691752448
• The square root of 399639144672 is 632170.1864782933
• The cube root of 399639144672 is 7365.8466600081

Scales and comparisons

• 399,639,144,672 seconds is equal to 12,707 years, 15 weeks, 1 hour, 31 minutes, 12 seconds.
• To count from 1 to 399,639,144,672 would take you about twenty-five thousand, four hundred fourteen 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 399639144672 cubic inches would be around 613.8 feet tall.

Recreational maths with 399639144672

• 399639144672 backwards is 276441936993
• The number of decimal digits it has is: 12
• The sum of 399639144672's digits is 63
• More coming soon!