3990471721984

Names of 3990471721984

• Cardinal: 3990471721984 can be written as Three trillion, nine hundred ninety billion, four hundred seventy-one million, seven hundred twenty-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 3.990471721984 × 10¹²

Factors of 3990471721984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1307545

Divisors of 3990471721984

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 256 271 352 512 542 704 1024 1084 1408 2168 2816 2981 4336 5632 5962 8672 11264 11924 17344 23848 34688 47696 69376 95392 138752 190784 277504 381568 763136 1307261 1526272 2614522 3052544 5229044 10458088 14379871 20916176 28759742 41832352 57519484 83664704 115038968 167329408 230077936 334658816 354267731 460155872 669317632 708535462 920311744 1338635264 1417070924 1840623488 2834141848 3681246976 3896945041 5668283696 7362493952 7793890082 11336567392 14724987904 15587780164 22673134784 31175560328 45346269568 62351120656 90692539136 124702241312 181385078272 249404482624 362770156544 498808965248 997617930496 1995235860992 3990471721984
• Sum of all divisors σ(n): 8734350784896
• Sum of proper divisors (its aliquot sum) s(n): 4743879062912
• 3990471721984 is an abundant number, because the sum of its proper divisors (4743879062912) is greater than itself. Its abundance is 753407340928

Bases of 3990471721984

• Binary: 111010000100011010101001100100010000000000₂
• Hexadecimal: 0x3A11AA64400
• Base-36: 1EX73TYPS

Squares and roots of 3990471721984

• 3990471721984 squared (3990471721984²) is 15923864563953950188896256
• 3990471721984 cubed (3990471721984³) is 63543731247161316905963804756650491904
• The square root of 3990471721984 is 1997616.5102401411
• The cube root of 3990471721984 is 15861.3961661631

Scales and comparisons

• 3,990,471,721,984 seconds is equal to 126,884 years, 34 weeks, 1 day, 7 hours, 13 minutes, 4 seconds.
• To count from 1 to 3,990,471,721,984 would take you about three hundred seventeen thousand, two hundred eleven 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 3990471721984 cubic inches would be around 1321.8 feet tall.

Recreational maths with 3990471721984

• 3990471721984 backwards is 4891271740993
• 3990471721984 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3990471721984's digits is 64
• More coming soon!