7980100947

Names of 7980100947

• Cardinal: 7980100947 can be written as Seven billion, nine hundred eighty million, one hundred thousand, nine hundred forty-seven.

Scientific notation

• Scientific notation: 7.980100947 × 10⁹

Factors of 7980100947

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1304

Divisors of 7980100947

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 19 21 39 49 57 61 63 91 117 133 147 171 183 247 273 399 427 441 549 637 741 793 819 931 1159 1197 1201 1281 1729 1911 2223 2379 2793 2989 3477 3603 3843 5187 5551 5733 7137 8113 8379 8407 8967 10431 10809 12103 15067 15561 15613 16653 22819 24339 25221 26901 36309 38857 45201 46839 49959 56791 58849 68457 73017 73261 75663 105469 108927 109291 116571 135603 140517 159733 170373 176547 205371 219783 296647 316407 327873 349713 479199 511119 512827 529641 659349 738283 765037 889941 949221 952393 983619 1118131 1391959 1437597 1538481 2076529 2214849 2295111 2669823 2857179 3354393 3589789 4175877 4615443 6229587 6644547 6666751 6885333 8571537 9743713 10063179 10769367 12527631 14535703 18095467 18688761 20000253 29231139 32308101 43607109 46667257 54286401 60000759 68205991 87693417 126668269 130821327 140001771 162859203 204617973 380004807 420005313 613853919 886677883 1140014421 2660033649 7980100947
• Sum of all divisors σ(n): 15462239520
• Sum of proper divisors (its aliquot sum) s(n): 7482138573
• 7980100947 is a deficient number, because the sum of its proper divisors (7482138573) is less than itself. Its deficiency is 497962374

Bases of 7980100947

• Binary: 111011011101001101010110101010011₂
• Hexadecimal: 0x1DBA6AD53
• Base-36: 3NZ59AR

Squares and roots of 7980100947

• 7980100947 squared (7980100947²) is 63682011124310296809
• 7980100947 cubed (7980100947³) is 508188877279973134287351978123
• The square root of 7980100947 is 89331.4107523217
• The cube root of 7980100947 is 1998.3403687763

Scales and comparisons

• 7,980,100,947 seconds is equal to 253 years, 38 weeks, 4 days, 6 hours, 42 minutes, 27 seconds.
• To count from 1 to 7,980,100,947 would take you about five hundred seven 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 7980100947 cubic inches would be around 166.5 feet tall.

Recreational maths with 7980100947

• 7980100947 backwards is 7490010897
• The number of decimal digits it has is: 10
• The sum of 7980100947's digits is 45
• More coming soon!