3998999628800

Names of 3998999628800

• Cardinal: 3998999628800 can be written as Three trillion, nine hundred ninety-eight billion, nine hundred ninety-nine million, six hundred twenty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 3.9989996288 × 10¹²

Factors of 3998999628800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 14201011

Divisors of 3998999628800

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 128 160 176 200 220 256 275 320 352 400 440 512 550 640 704 800 880 1024 1100 1280 1408 1600 1760 2200 2560 2816 3200 3520 4400 5120 5632 6400 7040 8800 11264 12800 14080 17600 25600 28160 35200 56320 70400 140800 281600 14200993 28401986 56803972 71004965 113607944 142009930 156210923 227215888 284019860 312421846 355024825 454431776 568039720 624843692 710049650 781054615 908863552 1136079440 1249687384 1420099300 1562109230 1817727104 2272158880 2499374768 2840198600 3124218460 3635454208 3905273075 4544317760 4998749536 5680397200 6248436920 7270908416 7810546150 9088635520 9997499072 11360794400 12496873840 14541816832 15621092300 18177271040 19994998144 22721588800 24993747680 31242184600 36354542080 39989996288 45443177600 49987495360 62484369200 72709084160 79979992576 90886355200 99974990720 124968738400 159959985152 181772710400 199949981440 249937476800 363545420800 399899962880 499874953600 799799925760 999749907200 1999499814400 3998999628800
• Sum of all divisors σ(n): 10813829715096
• Sum of proper divisors (its aliquot sum) s(n): 6814830086296
• 3998999628800 is an abundant number, because the sum of its proper divisors (6814830086296) is greater than itself. Its abundance is 2815830457496

Bases of 3998999628800

• Binary: 111010001100010110111100111100110000000000₂
• Hexadecimal: 0x3A316F3CC00
• Base-36: 1F1454LQ8

Squares and roots of 3998999628800

• 3998999628800 squared (3998999628800²) is 15991998031142537789440000
• 3998999628800 cubed (3998999628800³) is 63951994190309339459860532559872000000
• The square root of 3998999628800 is 1999749.8915614423
• The cube root of 3998999628800 is 15872.6870841025

Scales and comparisons

• 3,998,999,628,800 seconds is equal to 127,155 years, 42 weeks, 3 days, 22 hours, 13 minutes, 20 seconds.
• To count from 1 to 3,998,999,628,800 would take you about three hundred seventeen thousand, eight hundred eighty-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 3998999628800 cubic inches would be around 1322.7 feet tall.

Recreational maths with 3998999628800

• 3998999628800 backwards is 0088269998993
• 3998999628800 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3998999628800's digits is 80
• More coming soon!