390139631028

Names of 390139631028

• Cardinal: 390139631028 can be written as Three hundred ninety billion, one hundred thirty-nine million, six hundred thirty-one thousand and twenty-eight.

Scientific notation

• Scientific notation: 3.90139631028 × 10¹¹

Factors of 390139631028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 16647066

Divisors of 390139631028

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 54 62 63 84 93 108 124 126 186 189 217 252 279 372 378 434 558 651 756 837 868 1116 1302 1674 1953 2604 3348 3906 5859 7812 11718 23436 16647023 33294046 49941069 66588092 99882138 116529161 149823207 199764276 233058322 299646414 349587483 449469621 466116644 516057713 599292828 699174966 898939242 1032115426 1048762449 1398349932 1548173139 1797878484 2064230852 2097524898 3096346278 3146287347 3612403991 4195049796 4644519417 6192692556 6292574694 7224807982 9289038834 10837211973 12585149388 13933558251 14449615964 18578077668 21674423946 27867116502 32511635919 43348847892 55734233004 65023271838 97534907757 130046543676 195069815514 390139631028
• Sum of all divisors σ(n): 1193258680320
• Sum of proper divisors (its aliquot sum) s(n): 803119049292
• 390139631028 is an abundant number, because the sum of its proper divisors (803119049292) is greater than itself. Its abundance is 412979418264

Bases of 390139631028

• Binary: 101101011010110001000100101010110110100₂
• Hexadecimal: 0x5AD62255B4
• Base-36: 4Z8729X0

Squares and roots of 390139631028

• 390139631028 squared (390139631028²) is 152208931698663980336784
• 390139631028 cubed (390139631028³) is 59382736452082818569146756936133952
• The square root of 390139631028 is 624611.5841288889
• The cube root of 390139631028 is 7307.0154053559

Scales and comparisons

• 390,139,631,028 seconds is equal to 12,405 years, 12 weeks, 23 hours, 43 minutes, 48 seconds.
• To count from 1 to 390,139,631,028 would take you about twenty-four thousand, eight hundred ten 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 390139631028 cubic inches would be around 608.9 feet tall.

Recreational maths with 390139631028

• 390139631028 backwards is 820136931093
• The number of decimal digits it has is: 12
• The sum of 390139631028's digits is 45
• More coming soon!