13657393980

Names of 13657393980

• Cardinal: 13657393980 can be written as Thirteen billion, six hundred fifty-seven million, three hundred ninety-three thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.365739398 × 10¹⁰

Factors of 13657393980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2616398

Divisors of 13657393980

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 87 90 116 145 174 180 261 290 348 435 522 580 870 1044 1305 1740 2610 5220 2616359 5232718 7849077 10465436 13081795 15698154 23547231 26163590 31396308 39245385 47094462 52327180 75874411 78490770 94188924 117736155 151748822 156981540 227623233 235472310 303497644 379372055 455246466 470944620 682869699 758744110 910492932 1138116165 1365739398 1517488220 2276232330 2731478796 3414348495 4552464660 6828696990 13657393980
• Sum of all divisors σ(n): 42855976800
• Sum of proper divisors (its aliquot sum) s(n): 29198582820
• 13657393980 is an abundant number, because the sum of its proper divisors (29198582820) is greater than itself. Its abundance is 15541188840

Bases of 13657393980

• Binary: 1100101110000010110100101100111100₂
• Hexadecimal: 0x32E0B4B3C
• Base-36: 69V9CN0

Squares and roots of 13657393980

• 13657393980 squared (13657393980²) is 186524410324940240400
• 13657393980 cubed (13657393980³) is 2547437358694888683098712792000
• The square root of 13657393980 is 116864.8534846983
• The cube root of 13657393980 is 2390.3194533399

Scales and comparisons

• 13,657,393,980 seconds is equal to 434 years, 13 weeks, 4 days, 16 hours, 33 minutes.
• To count from 1 to 13,657,393,980 would take you about eight hundred sixty-eight 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 13657393980 cubic inches would be around 199.2 feet tall.

Recreational maths with 13657393980

• 13657393980 backwards is 08939375631
• The number of decimal digits it has is: 11
• The sum of 13657393980's digits is 54
• More coming soon!