7913026121

Names of 7913026121

• Cardinal: 7913026121 can be written as Seven billion, nine hundred thirteen million, twenty-six thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 7.913026121 × 10⁹

Factors of 7913026121

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1263

Divisors of 7913026121

• Number of divisors d(n): 80
• Complete list of divisors:
  1 7 11 13 19 49 77 91 133 143 209 247 343 539 637 931 1001 1213 1463 1729 2401 2717 3773 4459 6517 7007 8491 10241 12103 13343 15769 19019 23047 26411 31213 45619 49049 59437 71687 84721 93401 110383 133133 161329 173459 253517 299611 343343 416059 501809 593047 653807 772681 931931 1129303 1214213 1774619 2097277 2912413 3295721 4576649 5408767 6523517 7905121 8499491 12422333 14680939 23070047 32036543 37861369 55335847 59496437 86956331 102766573 161490329 416475059 608694317 719366011 1130432303 7913026121
• Sum of all divisors σ(n): 11425391040
• Sum of proper divisors (its aliquot sum) s(n): 3512364919
• 7913026121 is a deficient number, because the sum of its proper divisors (3512364919) is less than itself. Its deficiency is 4400661202

Bases of 7913026121

• Binary: 111010111101001110011001001001001₂
• Hexadecimal: 0x1D7A73249
• Base-36: 3MV7M15

Squares and roots of 7913026121

• 7913026121 squared (7913026121²) is 62615982391628306641
• 7913026121 cubed (7913026121³) is 495481904257030842173230769561
• The square root of 7913026121 is 88955.1916472557
• The cube root of 7913026121 is 1992.7257514805

Scales and comparisons

• 7,913,026,121 seconds is equal to 251 years, 31 weeks, 4 days, 22 hours, 48 minutes, 41 seconds.
• To count from 1 to 7,913,026,121 would take you about five hundred three 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 7913026121 cubic inches would be around 166.1 feet tall.

Recreational maths with 7913026121

• 7913026121 backwards is 1216203197
• The number of decimal digits it has is: 10
• The sum of 7913026121's digits is 32
• More coming soon!