231401478

Names of 231401478

• Cardinal: 231401478 can be written as Two hundred thirty-one million, four hundred one thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 2.31401478 × 10⁸

Factors of 231401478

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13597

Divisors of 231401478

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 37 42 66 74 77 111 154 222 231 259 407 462 518 777 814 1221 1554 2442 2849 5698 8547 13537 17094 27074 40611 81222 94759 148907 189518 284277 297814 446721 500869 568554 893442 1001738 1042349 1502607 2084698 3005214 3127047 3506083 5509559 6254094 7012166 10518249 11019118 16528677 21036498 33057354 38566913 77133826 115700739 231401478
• Sum of all divisors σ(n): 592639488
• Sum of proper divisors (its aliquot sum) s(n): 361238010
• 231401478 is an abundant number, because the sum of its proper divisors (361238010) is greater than itself. Its abundance is 129836532

Bases of 231401478

• Binary: 1101110010101110100000000110₂
• Hexadecimal: 0xDCAE806
• Base-36: 3TRQIU

Squares and roots of 231401478

• 231401478 squared (231401478²) is 53546644020584484
• 231401478 cubed (231401478³) is 12390772568303112021467352
• The square root of 231401478 is 15211.8860763549
• The cube root of 231401478 is 613.9345051397

Scales and comparisons

• 231,401,478 seconds is equal to 7 years, 18 weeks, 4 days, 6 hours, 11 minutes, 18 seconds.
• To count from 1 to 231,401,478 would take you about eleven 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 231401478 cubic inches would be around 51.2 feet tall.

Recreational maths with 231401478

• 231401478 backwards is 874104132
• The number of decimal digits it has is: 9
• The sum of 231401478's digits is 30
• More coming soon!