25121472012

Names of 25121472012

• Cardinal: 25121472012 can be written as Twenty-five billion, one hundred twenty-one million, four hundred seventy-two thousand and twelve.

Scientific notation

• Scientific notation: 2.5121472012 × 10¹⁰

Factors of 25121472012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7668362

Divisors of 25121472012

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1638 3276 7668337 15336674 23005011 30673348 46010022 53678359 69015033 92020044 99688381 107356718 138030066 161035077 199376762 214713436 276060132 299065143 322070154 398753524 483105231 598130286 644140308 697818667 897195429 966210462 1196260572 1395637334 1794390858 1932420924 2093456001 2791274668 3588781716 4186912002 6280368003 8373824004 12560736006 25121472012
• Sum of all divisors σ(n): 78155700896
• Sum of proper divisors (its aliquot sum) s(n): 53034228884
• 25121472012 is an abundant number, because the sum of its proper divisors (53034228884) is greater than itself. Its abundance is 27912756872

Bases of 25121472012

• Binary: 10111011001010110110011111000001100₂
• Hexadecimal: 0x5D95B3E0C
• Base-36: BJGOBV0

Squares and roots of 25121472012

• 25121472012 squared (25121472012²) is 631088356049699328144
• 25121472012 cubed (25121472012³) is 15853868473601612552984699905728
• The square root of 25121472012 is 158497.5457601789
• The cube root of 25121472012 is 2928.7459061643

Scales and comparisons

• 25,121,472,012 seconds is equal to 798 years, 40 weeks, 5 days, 18 hours, 40 minutes, 12 seconds.
• To count from 1 to 25,121,472,012 would take you about one thousand, five hundred ninety-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 25121472012 cubic inches would be around 244.1 feet tall.

Recreational maths with 25121472012

• 25121472012 backwards is 21027412152
• The number of decimal digits it has is: 11
• The sum of 25121472012's digits is 27
• More coming soon!