68137379380

Names of 68137379380

• Cardinal: 68137379380 can be written as Sixty-eight billion, one hundred thirty-seven million, three hundred seventy-nine thousand, three hundred eighty.

Scientific notation

• Scientific notation: 6.813737938 × 10¹⁰

Factors of 68137379380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 62

Divisors of 68137379380

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 28 31 34 35 62 68 70 85 119 124 140 155 170 217 238 310 340 434 476 527 595 620 868 961 1054 1085 1190 1922 2108 2170 2380 2635 3689 3844 4340 4805 5270 6727 7378 9610 10540 13454 14756 16337 18445 19220 26908 29791 32674 33635 36890 59582 65348 67270 73780 81685 114359 119164 134540 148955 163370 208537 228718 297910 326740 417074 457436 506447 571795 595820 834148 923521 1012894 1042685 1143590 1847042 2025788 2085370 2287180 2532235 3545129 3694084 4170740 4617605 5064470 6464647 7090258 9235210 10128940 12929294 14180516 15699857 17725645 18470420 25858588 28629151 31399714 32323235 35451290 57258302 62799428 64646470 70902580 78499285 109898999 114516604 129292940 143145755 156998570 200404057 219797998 286291510 313997140 400808114 439595996 486695567 549494995 572583020 801616228 973391134 1002020285 1098989990 1946782268 2004040570 2197979980 2433477835 3406868969 4008081140 4866955670 6813737938 9733911340 13627475876 17034344845 34068689690 68137379380
• Sum of all divisors σ(n): 178920741888
• Sum of proper divisors (its aliquot sum) s(n): 110783362508
• 68137379380 is an abundant number, because the sum of its proper divisors (110783362508) is greater than itself. Its abundance is 42645983128

Bases of 68137379380

• Binary: 111111011101010011011110011000110100₂
• Hexadecimal: 0xFDD4DE634
• Base-36: VAV8IES

Squares and roots of 68137379380

• 68137379380 squared (68137379380²) is 4642702468774049184400
• 68137379380 cubed (68137379380³) is 316341579463319992776242377672000
• The square root of 68137379380 is 261031.3762366509
• The cube root of 68137379380 is 4084.4019551307

Scales and comparisons

• 68,137,379,380 seconds is equal to 2,166 years, 29 weeks, 1 hour, 49 minutes, 40 seconds.
• To count from 1 to 68,137,379,380 would take you about four thousand, three hundred thirty-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 68137379380 cubic inches would be around 340.4 feet tall.

Recreational maths with 68137379380

• 68137379380 backwards is 08397373186
• The number of decimal digits it has is: 11
• The sum of 68137379380's digits is 55
• More coming soon!