399402507028

Names of 399402507028

• Cardinal: 399402507028 can be written as Three hundred ninety-nine billion, four hundred two million, five hundred seven thousand and twenty-eight.

Scientific notation

• Scientific notation: 3.99402507028 × 10¹¹

Factors of 399402507028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20478

Divisors of 399402507028

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 43 49 86 98 172 196 301 337 343 602 674 686 1204 1348 1372 2107 2359 4214 4718 8428 9436 14491 14749 16513 20089 28982 29498 33026 40178 57964 58996 66052 80356 101437 115591 140623 202874 231182 281246 405748 462364 562492 710059 863827 984361 1420118 1727654 1968722 2840236 3455308 3937444 4970413 6046789 6769993 6890527 9940826 12093578 13539986 13781054 19881652 24187156 27079972 27562108 42327523 47389951 84655046 94779902 169310092 189559804 291109699 296292661 331729657 582219398 592585322 663459314 1164438796 1185170644 1326918628 2037767893 2322107599 4075535786 4644215198 8151071572 9288430396 14264375251 28528750502 57057501004 99850626757 199701253514 399402507028
• Sum of all divisors σ(n): 836579744000
• Sum of proper divisors (its aliquot sum) s(n): 437177236972
• 399402507028 is an abundant number, because the sum of its proper divisors (437177236972) is greater than itself. Its abundance is 37774729944

Bases of 399402507028

• Binary: 101110011111110001111101001101100010100₂
• Hexadecimal: 0x5CFE3E9B14
• Base-36: 53HDXUS4

Squares and roots of 399402507028

• 399402507028 squared (399402507028²) is 159522362620251589392784
• 399402507028 cubed (399402507028³) is 63713631557558199927579581812485952
• The square root of 399402507028 is 631982.9958377045
• The cube root of 399402507028 is 7364.3925308935

Scales and comparisons

• 399,402,507,028 seconds is equal to 12,699 years, 39 weeks, 5 days, 4 hours, 50 minutes, 28 seconds.
• To count from 1 to 399,402,507,028 would take you about twenty-five thousand, three hundred ninety-nine 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 399402507028 cubic inches would be around 613.7 feet tall.

Recreational maths with 399402507028

• 399402507028 backwards is 820705204993
• 399402507028 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 399402507028's digits is 49
• More coming soon!