25421540742

Names of 25421540742

• Cardinal: 25421540742 can be written as Twenty-five billion, four hundred twenty-one million, five hundred forty thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.5421540742 × 10¹⁰

Factors of 25421540742

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 103189

Divisors of 25421540742

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 169 234 243 338 351 486 507 702 729 1014 1053 1458 1521 2106 3042 3159 4563 6318 9126 9477 13689 18954 27378 41067 82134 103171 123201 206342 246402 309513 619026 928539 1341223 1857078 2682446 2785617 4023669 5571234 8047338 8356851 12071007 16713702 17435899 24142014 25070553 34871798 36213021 50141106 52307697 72426042 75211659 104615394 108639063 150423318 156923091 217278126 313846182 325917189 470769273 651834378 941538546 977751567 1412307819 1955503134 2824615638 4236923457 8473846914 12710770371 25421540742
• Sum of all divisors σ(n): 61909080804
• Sum of proper divisors (its aliquot sum) s(n): 36487540062
• 25421540742 is an abundant number, because the sum of its proper divisors (36487540062) is greater than itself. Its abundance is 11065999320

Bases of 25421540742

• Binary: 10111101011001111011110110110000110₂
• Hexadecimal: 0x5EB3DED86
• Base-36: BOFBUDI

Squares and roots of 25421540742

• 25421540742 squared (25421540742²) is 646254733697165910564
• 25421540742 cubed (25421540742³) is 16428791042392863485336254198488
• The square root of 25421540742 is 159441.3395013979
• The cube root of 25421540742 is 2940.3607907915

Scales and comparisons

• 25,421,540,742 seconds is equal to 808 years, 16 weeks, 6 days, 19 hours, 5 minutes, 42 seconds.
• To count from 1 to 25,421,540,742 would take you about one thousand, six hundred sixteen 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 25421540742 cubic inches would be around 245 feet tall.

Recreational maths with 25421540742

• 25421540742 backwards is 24704512452
• The number of decimal digits it has is: 11
• The sum of 25421540742's digits is 36
• More coming soon!