12838960890

Names of 12838960890

• Cardinal: 12838960890 can be written as Twelve billion, eight hundred thirty-eight million, nine hundred sixty thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.283896089 × 10¹⁰

Factors of 12838960890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 107844

Divisors of 12838960890

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 81 90 98 105 126 135 147 162 189 210 243 245 270 294 315 378 405 441 486 490 567 630 735 810 882 945 1134 1215 1323 1470 1701 1890 2205 2430 2646 2835 3402 3969 4410 5670 6615 7938 8505 11907 13230 17010 19845 23814 39690 59535 107827 119070 215654 323481 539135 646962 754789 970443 1078270 1509578 1617405 1940886 2264367 2911329 3234810 3773945 4528734 4852215 5283523 5822658 6793101 7547890 8733987 9704430 10567046 11321835 13586202 14556645 15850569 17467974 20379303 22643670 26201961 26417615 29113290 31701138 33965505 40758606 43669935 47551707 52403922 52835230 61137909 67931010 79252845 87339870 95103414 101896515 122275818 131009805 142655121 158505690 183413727 203793030 237758535 262019610 285310242 305689545 366827454 427965363 475517070 611379090 713275605 855930726 917068635 1283896089 1426551210 1834137270 2139826815 2567792178 4279653630 6419480445 12838960890
• Sum of all divisors σ(n): 40269876192
• Sum of proper divisors (its aliquot sum) s(n): 27430915302
• 12838960890 is an abundant number, because the sum of its proper divisors (27430915302) is greater than itself. Its abundance is 14591954412

Bases of 12838960890

• Binary: 1011111101010000101111111011111010₂
• Hexadecimal: 0x2FD42FEFA
• Base-36: 5WBZHMI

Squares and roots of 12838960890

• 12838960890 squared (12838960890²) is 164838916734949592100
• 12838960890 cubed (12838960890³) is 2116360405109984309093352969000
• The square root of 12838960890 is 113309.1385987909
• The cube root of 12838960890 is 2341.5851685323

Scales and comparisons

• 12,838,960,890 seconds is equal to 408 years, 12 weeks, 3 days, 2 hours, 1 minute, 30 seconds.
• To count from 1 to 12,838,960,890 would take you about eight hundred sixteen 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 12838960890 cubic inches would be around 195.1 feet tall.

Recreational maths with 12838960890

• 12838960890 backwards is 09806983821
• 12838960890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12838960890's digits is 54
• More coming soon!