13278421890

Names of 13278421890

• Cardinal: 13278421890 can be written as Thirteen billion, two hundred seventy-eight million, four hundred twenty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.327842189 × 10¹⁰

Factors of 13278421890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 250549

Divisors of 13278421890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 30 31 38 45 57 62 90 93 95 114 155 171 186 190 279 285 310 342 465 558 570 589 855 930 1178 1395 1710 1767 2790 2945 3534 5301 5890 8835 10602 17670 26505 53010 250489 500978 751467 1252445 1502934 2254401 2504890 3757335 4508802 4759291 7514670 7765159 9518582 11272005 14277873 15530318 22544010 23295477 23796455 28555746 38825795 42833619 46590954 47592910 69886431 71389365 77651590 85667238 116477385 139772862 142778730 147538021 214168095 232954770 295076042 349432155 428336190 442614063 698864310 737690105 885228126 1327842189 1475380210 2213070315 2655684378 4426140630 6639210945 13278421890
• Sum of all divisors σ(n): 37513382400
• Sum of proper divisors (its aliquot sum) s(n): 24234960510
• 13278421890 is an abundant number, because the sum of its proper divisors (24234960510) is greater than itself. Its abundance is 10956538620

Bases of 13278421890

• Binary: 1100010111011101001010001110000010₂
• Hexadecimal: 0x31774A382
• Base-36: 63LMNWI

Squares and roots of 13278421890

• 13278421890 squared (13278421890²) is 176316487888831172100
• 13278421890 cubed (13278421890³) is 2341204712350975722126997269000
• The square root of 13278421890 is 115232.0349989535
• The cube root of 13278421890 is 2368.0024882461

Scales and comparisons

• 13,278,421,890 seconds is equal to 422 years, 11 weeks, 10 hours, 31 minutes, 30 seconds.
• To count from 1 to 13,278,421,890 would take you about eight hundred forty-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 13278421890 cubic inches would be around 197.3 feet tall.

Recreational maths with 13278421890

• 13278421890 backwards is 09812487231
• 13278421890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13278421890's digits is 45
• More coming soon!