6997517961

Names of 6997517961

• Cardinal: 6997517961 can be written as Six billion, nine hundred ninety-seven million, five hundred seventeen thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 6.997517961 × 10⁹

Factors of 6997517961

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 100

Divisors of 6997517961

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 19 21 49 57 71 133 147 213 343 399 497 931 1029 1349 1491 2793 3479 4047 5041 6517 9443 10437 15123 19551 24353 28329 35287 66101 73059 95779 105861 198303 247009 287337 357911 462707 670453 741027 1073733 1388121 1729063 2011359 2505377 4693171 5187189 6800309 7516131 14079513 17537639 20400927 32852197 47602163 52612917 98556591 122763473 142806489 333215141 368290419 999645423 2332505987 6997517961
• Sum of all divisors σ(n): 11616768000
• Sum of proper divisors (its aliquot sum) s(n): 4619250039
• 6997517961 is a deficient number, because the sum of its proper divisors (4619250039) is less than itself. Its deficiency is 2378267922

Bases of 6997517961

• Binary: 110100001000101011010011010001001₂
• Hexadecimal: 0x1A115A689
• Base-36: 37Q53EX

Squares and roots of 6997517961

• 6997517961 squared (6997517961²) is 48965257614517597521
• 6997517961 cubed (6997517961³) is 342635269622578903003766574681
• The square root of 6997517961 is 83651.1683182011
• The cube root of 6997517961 is 1912.7050622445

Scales and comparisons

• 6,997,517,961 seconds is equal to 222 years, 25 weeks, 6 days, 18 hours, 59 minutes, 21 seconds.
• To count from 1 to 6,997,517,961 would take you about four hundred forty-four 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 6997517961 cubic inches would be around 159.4 feet tall.

Recreational maths with 6997517961

• 6997517961 backwards is 1697157996
• The number of decimal digits it has is: 10
• The sum of 6997517961's digits is 60
• More coming soon!