7977142628

Names of 7977142628

• Cardinal: 7977142628 can be written as Seven billion, nine hundred seventy-seven million, one hundred forty-two thousand, six hundred twenty-eight.

Scientific notation

• Scientific notation: 7.977142628 × 10⁹

Factors of 7977142628

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3629

Divisors of 7977142628

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 13 14 17 19 26 28 34 38 52 68 76 91 119 133 182 221 238 247 266 323 361 364 442 476 494 532 646 722 884 988 1292 1444 1547 1729 2261 2527 3094 3458 3571 4199 4522 4693 5054 6137 6188 6916 7142 8398 9044 9386 10108 12274 14284 16796 18772 24548 24997 29393 32851 42959 46423 49994 58786 60707 65702 67849 79781 85918 92846 99988 117572 121414 131404 135698 159562 171836 185692 242828 271396 319124 324961 424949 474943 558467 649922 789191 849898 882037 949886 1116934 1153433 1289131 1299844 1578382 1699796 1764074 1899772 2233868 2306866 2578262 3156764 3528148 4613732 5156524 5524337 6174259 8074031 9023917 11048674 12348518 14994629 16148062 16758703 18047834 21915227 22097348 24697036 29989258 32296124 33517406 36095668 43830454 59978516 67034812 87660908 104962403 117310921 153406589 209924806 234621842 284897951 306813178 419849612 469243684 569795902 613626356 1139591804 1994285657 3988571314 7977142628
• Sum of all divisors σ(n): 19205472384
• Sum of proper divisors (its aliquot sum) s(n): 11228329756
• 7977142628 is an abundant number, because the sum of its proper divisors (11228329756) is greater than itself. Its abundance is 3251187128

Bases of 7977142628

• Binary: 111011011011110011000100101100100₂
• Hexadecimal: 0x1DB798964
• Base-36: 3NXDUN8

Squares and roots of 7977142628

• 7977142628 squared (7977142628²) is 63634804507454746384
• 7977142628 cubed (7977142628³) is 507623911660863801160735257152
• The square root of 7977142628 is 89314.8511055133
• The cube root of 7977142628 is 1998.0934020197

Scales and comparisons

• 7,977,142,628 seconds is equal to 253 years, 33 weeks, 5 days, 57 minutes, 8 seconds.
• To count from 1 to 7,977,142,628 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 7977142628 cubic inches would be around 166.5 feet tall.

Recreational maths with 7977142628

• 7977142628 backwards is 8262417797
• The number of decimal digits it has is: 10
• The sum of 7977142628's digits is 53
• More coming soon!