389990638919684

Names of 389990638919684

• Cardinal: 389990638919684 can be written as Three hundred eighty-nine trillion, nine hundred ninety billion, six hundred thirty-eight million, nine hundred nineteen thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 3.89990638919684 × 10¹⁴

Factors of 389990638919684

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 554692070

Divisors of 389990638919684

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 11 19 22 29 38 44 58 76 116 209 319 418 551 638 836 841 1102 1276 1682 2204 3364 6061 9251 12122 15979 18502 24244 31958 37004 63916 175769 351538 703076 554692009 1109384018 2218768036 6101612099 10539148171 12203224198 16086068261 21078296342 24406448396 32172136522 42156592684 64344273044 115930629881 176946750871 231861259762 305635296959 353893501742 463722519524 466495979569 611270593918 707787003484 932991959138 1222541187836 1865983918276 3361988266549 5131455775259 6723976533098 8863423611811 10262911550518 13447953066196 17726847223622 20525823101036 35453694447244 97497659729921 194995319459842 389990638919684
• Sum of all divisors σ(n): 811669724392800
• Sum of proper divisors (its aliquot sum) s(n): 421679085473116
• 389990638919684 is an abundant number, because the sum of its proper divisors (421679085473116) is greater than itself. Its abundance is 31688446553432

Bases of 389990638919684

• Binary: 1011000101011000111000101011111111010000000000100₂
• Hexadecimal: 0x162B1C57FA004
• Base-36: 3U8N855I4K

Squares and roots of 389990638919684

• 389990638919684 squared (389990638919684²) is 152092698444983344682602659856
• 389990638919684 cubed (389990638919684³) is 59314728641577883768818181188813172755005504
• The square root of 389990638919684 is 19748180.6483454065
• The cube root of 389990638919684 is 73060.8511770039

Scales and comparisons

• 389,990,638,919,684 seconds is equal to 12,400,495 years, 51 weeks, 6 days, 1 hour, 14 minutes, 44 seconds.
• To count from 1 to 389,990,638,919,684 would take you about thirty-one million, one thousand, two hundred thirty-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 389990638919684 cubic inches would be around 6088.4 feet tall.

Recreational maths with 389990638919684

• 389990638919684 backwards is 486919836099983
• The number of decimal digits it has is: 15
• The sum of 389990638919684's digits is 92
• More coming soon!