12490712525

Names of 12490712525

• Cardinal: 12490712525 can be written as Twelve billion, four hundred ninety million, seven hundred twelve thousand, five hundred twenty-five.

Scientific notation

• Scientific notation: 1.2490712525 × 10¹⁰

Factors of 12490712525

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 389

Divisors of 12490712525

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 25 29 37 41 145 185 205 277 725 925 1025 1073 1189 1385 1517 1681 5365 5945 6925 7585 8033 8405 10249 11357 26825 29725 37925 40165 42025 43993 48749 51245 56785 62197 200825 219965 243745 256225 283925 297221 310985 329353 420209 465637 1099825 1218725 1486105 1554925 1646765 1803713 2101045 2328185 7430525 8233825 9018565 10505225 11640925 12186061 13503473 17228569 45092825 60930305 67517365 86142845 304651525 337586825 430714225 499628501 2498142505 12490712525
• Sum of all divisors σ(n): 16927647960
• Sum of proper divisors (its aliquot sum) s(n): 4436935435
• 12490712525 is a deficient number, because the sum of its proper divisors (4436935435) is less than itself. Its deficiency is 8053777090

Bases of 12490712525

• Binary: 1011101000100000010010010111001101₂
• Hexadecimal: 0x2E88125CD
• Base-36: 5QKNBGT

Squares and roots of 12490712525

• 12490712525 squared (12490712525²) is 156017899382191875625
• 12490712525 cubed (12490712525³) is 1948774729937333822822429703125
• The square root of 12490712525 is 111761.8563061657
• The cube root of 12490712525 is 2320.2194925237

Scales and comparisons

• 12,490,712,525 seconds is equal to 397 years, 8 weeks, 4 days, 10 hours, 22 minutes, 5 seconds.
• To count from 1 to 12,490,712,525 would take you about seven hundred ninety-four 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 12490712525 cubic inches would be around 193.4 feet tall.

Recreational maths with 12490712525

• 12490712525 backwards is 52521709421
• The number of decimal digits it has is: 11
• The sum of 12490712525's digits is 38
• More coming soon!