3998405999880

Names of 3998405999880

• Cardinal: 3998405999880 can be written as Three trillion, nine hundred ninety-eight billion, four hundred five million, nine hundred ninety-nine thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 3.99840599988 × 10¹²

Factors of 3998405999880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6500656

Divisors of 3998405999880

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 1709 3418 5127 6836 8545 10254 13672 15381 17090 20508 25635 30762 34180 41016 51270 61524 68360 76905 102540 123048 153810 205080 307620 615240 6498937 12997874 19496811 25995748 32494685 38993622 51991496 58490433 64989370 77987244 97484055 116980866 129978740 155974488 194968110 233961732 259957480 292452165 389936220 467923464 584904330 779872440 1169808660 2339617320 11106683333 22213366666 33320049999 44426733332 55533416665 66640099998 88853466664 99960149997 111066833330 133280199996 166600249995 199920299994 222133666660 266560399992 333200499990 399840599988 444267333320 499800749985 666400999980 799681199976 999601499970 1332801999960 1999202999940 3998405999880
• Sum of all divisors σ(n): 13002425256600
• Sum of proper divisors (its aliquot sum) s(n): 9004019256720
• 3998405999880 is an abundant number, because the sum of its proper divisors (9004019256720) is greater than itself. Its abundance is 5005613256840

Bases of 3998405999880

• Binary: 111010001011110011100100011011110100001000₂
• Hexadecimal: 0x3A2F391BD08
• Base-36: 1F0UBP2Q0

Squares and roots of 3998405999880

• 3998405999880 squared (3998405999880²) is 15987250539876382560014400
• 3998405999880 cubed (3998405999880³) is 63923518480226497221471771139198272000
• The square root of 3998405999880 is 1999601.4602615193
• The cube root of 3998405999880 is 15871.9016416385

Scales and comparisons

• 3,998,405,999,880 seconds is equal to 127,136 years, 49 weeks, 5 hours, 18 minutes.
• To count from 1 to 3,998,405,999,880 would take you about three hundred seventeen thousand, eight hundred forty-two 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 3998405999880 cubic inches would be around 1322.7 feet tall.

Recreational maths with 3998405999880

• 3998405999880 backwards is 0889995048993
• The number of decimal digits it has is: 13
• The sum of 3998405999880's digits is 81
• More coming soon!