13215477888

Names of 13215477888

• Cardinal: 13215477888 can be written as Thirteen billion, two hundred fifteen million, four hundred seventy-seven thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.3215477888 × 10¹⁰

Factors of 13215477888

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1134

Divisors of 13215477888

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 288 324 384 432 576 648 864 1129 1152 1296 1728 2258 2592 3387 3456 4516 5184 6774 9032 10161 10368 13548 18064 20322 27096 30483 36128 40644 54192 60966 72256 81288 91449 108384 121932 144512 162576 182898 216768 243864 325152 365796 433536 487728 650304 731592 975456 1274641 1300608 1463184 1950912 2549282 2926368 3823923 3901824 5098564 5852736 7647846 10197128 11471769 11705472 15295692 20394256 22943538 30591384 34415307 40788512 45887076 61182768 68830614 81577024 91774152 103245921 122365536 137661228 163154048 183548304 206491842 244731072 275322456 367096608 412983684 489462144 550644912 734193216 825967368 1101289824 1468386432 1651934736 2202579648 3303869472 4405159296 6607738944 13215477888
• Sum of all divisors σ(n): 39363914205
• Sum of proper divisors (its aliquot sum) s(n): 26148436317
• 13215477888 is an abundant number, because the sum of its proper divisors (26148436317) is greater than itself. Its abundance is 12932958429

Bases of 13215477888

• Binary: 1100010011101101000011000010000000₂
• Hexadecimal: 0x313B43080
• Base-36: 62K5K00

Squares and roots of 13215477888

• 13215477888 squared (13215477888²) is 174648855808216940544
• 13215477888 cubed (13215477888³) is 2308068092097991346466242691072
• The square root of 13215477888 is 114958.5920581843
• The cube root of 13215477888 is 2364.2548618523

Scales and comparisons

• 13,215,477,888 seconds is equal to 420 years, 10 weeks, 6 days, 22 hours, 4 minutes, 48 seconds.
• To count from 1 to 13,215,477,888 would take you about eight hundred forty 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 13215477888 cubic inches would be around 197 feet tall.

Recreational maths with 13215477888

• 13215477888 backwards is 88877451231
• 13215477888 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13215477888's digits is 54
• More coming soon!