142939815920

Names of 142939815920

• Cardinal: 142939815920 can be written as One hundred forty-two billion, nine hundred thirty-nine million, eight hundred fifteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.4293981592 × 10¹¹

Factors of 142939815920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 85308

Divisors of 142939815920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 1949 3898 7796 9745 15592 19490 21439 31184 38980 42878 77960 83341 85756 107195 155920 166682 171512 214390 333364 343024 416705 428780 666728 833410 857560 916751 1333456 1666820 1715120 1833502 3333640 3667004 4583755 6667280 7334008 9167510 14668016 18335020 36670040 73340080 162431609 324863218 649726436 812158045 1299452872 1624316090 1786747699 2598905744 3248632180 3573495398 6497264360 7146990796 8933738495 12994528720 14293981592 17867476990 28587963184 35734953980 71469907960 142939815920
• Sum of all divisors σ(n): 362737720800
• Sum of proper divisors (its aliquot sum) s(n): 219797904880
• 142939815920 is an abundant number, because the sum of its proper divisors (219797904880) is greater than itself. Its abundance is 76858088960

Bases of 142939815920

• Binary: 10000101000111111000000111111111110000₂
• Hexadecimal: 0x2147E07FF0
• Base-36: 1TNYOBU8

Squares and roots of 142939815920

• 142939815920 squared (142939815920²) is 20431790975243485446400
• 142939815920 cubed (142939815920³) is 2920516440917221086887615026688000
• The square root of 142939815920 is 378073.8233731609
• The cube root of 142939815920 is 5228.5878113181

Scales and comparisons

• 142,939,815,920 seconds is equal to 4,545 years, 2 weeks, 2 days, 25 minutes, 20 seconds.
• To count from 1 to 142,939,815,920 would take you about nine thousand and ninety 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 142939815920 cubic inches would be around 435.7 feet tall.

Recreational maths with 142939815920

• 142939815920 backwards is 029518939241
• The number of decimal digits it has is: 12
• The sum of 142939815920's digits is 53
• More coming soon!