13255881392

Names of 13255881392

• Cardinal: 13255881392 can be written as Thirteen billion, two hundred fifty-five million, eight hundred eighty-one thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.3255881392 × 10¹⁰

Factors of 13255881392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3952

Divisors of 13255881392

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 13 16 19 26 38 52 67 76 104 134 152 169 208 247 268 304 338 494 536 676 871 988 1072 1273 1352 1742 1976 2546 2704 3211 3484 3851 3952 5092 6422 6968 7702 10184 11323 12844 13936 15404 16549 20368 22646 25688 30808 33098 45292 50063 51376 61616 66196 73169 90584 100126 132392 146338 181168 200252 215137 258017 264784 292676 400504 430274 516034 585352 650819 801008 860548 951197 1032068 1170704 1301638 1721096 1902394 2064136 2603276 3354221 3442192 3804788 4128272 4902323 5206552 6708442 7609576 9804646 10413104 12365561 13416884 15219152 19609292 24731122 26833768 39218584 43604873 49462244 53667536 63730199 78437168 87209746 98924488 127460398 174419492 197848976 254920796 348838984 509841592 697677968 828492587 1019683184 1656985174 3313970348 6627940696 13255881392
• Sum of all divisors σ(n): 29719258560
• Sum of proper divisors (its aliquot sum) s(n): 16463377168
• 13255881392 is an abundant number, because the sum of its proper divisors (16463377168) is greater than itself. Its abundance is 3207495776

Bases of 13255881392

• Binary: 1100010110000111001011001010110000₂
• Hexadecimal: 0x3161CB2B0
• Base-36: 6387JJK

Squares and roots of 13255881392

• 13255881392 squared (13255881392²) is 175718391478771857664
• 13255881392 cubed (13255881392³) is 2329302155835623231021490188288
• The square root of 13255881392 is 115134.1886322217
• The cube root of 13255881392 is 2366.6618122055

Scales and comparisons

• 13,255,881,392 seconds is equal to 421 years, 25 weeks, 5 days, 13 hours, 16 minutes, 32 seconds.
• To count from 1 to 13,255,881,392 would take you about eight hundred forty-two 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 13255881392 cubic inches would be around 197.2 feet tall.

Recreational maths with 13255881392

• 13255881392 backwards is 29318855231
• The number of decimal digits it has is: 11
• The sum of 13255881392's digits is 47
• More coming soon!