27068138478

Names of 27068138478

• Cardinal: 27068138478 can be written as Twenty-seven billion, sixty-eight million, one hundred thirty-eight thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 2.7068138478 × 10¹⁰

Factors of 27068138478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 946

Divisors of 27068138478

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 23 46 69 97 138 194 207 291 414 582 821 873 1642 1746 2231 2463 4462 4926 6693 7389 13386 14778 18883 20079 37766 40158 56649 79637 113298 159274 169947 238911 339894 477822 674041 716733 1348082 1433466 1831651 2022123 3663302 4044246 5494953 6066369 10989906 12132738 15502943 16484859 31005886 32969718 46508829 65381977 93017658 130763954 139526487 196145931 279052974 392291862 588437793 1176875586 1503785471 3007570942 4511356413 9022712826 13534069239 27068138478
• Sum of all divisors σ(n): 61903833264
• Sum of proper divisors (its aliquot sum) s(n): 34835694786
• 27068138478 is an abundant number, because the sum of its proper divisors (34835694786) is greater than itself. Its abundance is 7767556308

Bases of 27068138478

• Binary: 11001001101011000110000001111101110₂
• Hexadecimal: 0x64D6303EE
• Base-36: CFNO5BI

Squares and roots of 27068138478

• 27068138478 squared (27068138478²) is 732684120664184156484
• 27068138478 cubed (27068138478³) is 19832395238769798082602533591352
• The square root of 27068138478 is 164523.9753896069
• The cube root of 27068138478 is 3002.5215273727

Scales and comparisons

• 27,068,138,478 seconds is equal to 860 years, 35 weeks, 3 days, 15 hours, 21 minutes, 18 seconds.
• To count from 1 to 27,068,138,478 would take you about one thousand, seven hundred twenty-one 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 27068138478 cubic inches would be around 250.2 feet tall.

Recreational maths with 27068138478

• 27068138478 backwards is 87483186072
• The number of decimal digits it has is: 11
• The sum of 27068138478's digits is 54
• More coming soon!