21488808168438

Names of 21488808168438

• Cardinal: 21488808168438 can be written as Twenty-one trillion, four hundred eighty-eight billion, eight hundred eight million, one hundred sixty-eight thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1488808168438 × 10¹³

Factors of 21488808168438

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1058454

Divisors of 21488808168438

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 13 19 26 38 39 57 71 78 114 142 193 213 247 386 426 494 579 741 923 1158 1349 1482 1846 2509 2698 2769 3667 4047 5018 5538 7334 7527 8094 11001 13703 15054 17537 22002 27406 35074 41109 47671 52611 82218 95342 105222 143013 178139 260357 286026 356278 520714 534417 781071 1058153 1068834 1562142 2116306 3174459 3384641 6348918 6769282 10153923 13755989 20104907 20307846 27511978 40209814 41267967 60314721 75128863 82535934 120629442 150257726 204223529 225386589 261363791 408447058 450773178 522727582 612670587 784091373 976675219 1225341174 1427448397 1568182746 1953350438 2654905877 2854896794 2930025657 3880247051 4282345191 5309811754 5860051314 7760494102 7964717631 8564690382 11640741153 14499870559 15929435262 18556829161 23281482306 28999741118 37113658322 43499611677 50443211663 55670487483 86999223354 100886423326 111340974966 151329634989 188498317267 275497540621 302659269978 376996634534 550995081242 565494951801 826492621863 1130989903602 1652985243726 3581468028073 7162936056146 10744404084219 21488808168438
• Sum of all divisors σ(n): 49661791441920
• Sum of proper divisors (its aliquot sum) s(n): 28172983273482
• 21488808168438 is an abundant number, because the sum of its proper divisors (28172983273482) is greater than itself. Its abundance is 6684175105044

Bases of 21488808168438

• Binary: 100111000101101000000110001110000101111110110₂
• Hexadecimal: 0x138B40C70BF6
• Base-36: 7M7TLK4C6

Squares and roots of 21488808168438

• 21488808168438 squared (21488808168438²) is 461768876499927712179359844
• 21488808168438 cubed (21488808168438³) is 9922862805262084640796349234692965403672
• The square root of 21488808168438 is 4635602.2444163607
• The cube root of 21488808168438 is 27801.6631030813

Scales and comparisons

• 21,488,808,168,438 seconds is equal to 683,277 years, 32 weeks, 5 days, 12 hours, 7 minutes, 18 seconds.
• To count from 1 to 21,488,808,168,438 would take you about one million, seven hundred eight thousand, one hundred ninety-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 21488808168438 cubic inches would be around 2316.8 feet tall.

Recreational maths with 21488808168438

• 21488808168438 backwards is 83486180888412
• The number of decimal digits it has is: 14
• The sum of 21488808168438's digits is 69
• More coming soon!