21105088043648

Names of 21105088043648

• Cardinal: 21105088043648 can be written as Twenty-one trillion, one hundred five billion, eighty-eight million, forty-three thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1105088043648 × 10¹³

Factors of 21105088043648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2307950

Divisors of 21105088043648

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 59 64 112 118 128 173 224 236 346 413 448 472 692 826 896 944 1211 1384 1652 1888 2422 2768 3304 3776 4844 5536 6608 7552 9688 10207 11072 13216 19376 20414 22144 26432 38752 40828 52864 71449 77504 81656 142898 155008 163312 285796 326624 571592 653248 1143184 1306496 2286368 2307709 4572736 4615418 9145472 9230836 16153963 18461672 32307926 36923344 64615852 73846688 129231704 136154831 147693376 258463408 272309662 295386752 399233657 516926816 544619324 798467314 953083817 1033853632 1089238648 1596934628 1906167634 2067707264 2178477296 2794635599 3193869256 3812335268 4356954592 5589271198 6387738512 7624670536 8713909184 11178542396 12775477024 15249341072 17427818368 22357084792 23554785763 25550954048 30498682144 44714169584 47109571526 51101908096 60997364288 89428339168 94219143052 121994728576 164883500341 178856678336 188438286104 329767000682 357713356672 376876572208 659534001364 753753144416 1319068002728 1507506288832 2638136005456 3015012577664 5276272010912 10552544021824 21105088043648
• Sum of all divisors σ(n): 49148684496000
• Sum of proper divisors (its aliquot sum) s(n): 28043596452352
• 21105088043648 is an abundant number, because the sum of its proper divisors (28043596452352) is greater than itself. Its abundance is 6938508408704

Bases of 21105088043648

• Binary: 100110011000111101001010001101001101010000000₂
• Hexadecimal: 0x1331E9469A80
• Base-36: 7HBJKI54W

Squares and roots of 21105088043648

• 21105088043648 squared (21105088043648²) is 445424741330133763953147904
• 21105088043648 cubed (21105088043648³) is 9400728382591609249580092919962551713792
• The square root of 21105088043648 is 4594027.4317474421
• The cube root of 21105088043648 is 27635.1858372341

Scales and comparisons

• 21,105,088,043,648 seconds is equal to 671,076 years, 26 weeks, 6 days, 8 hours, 34 minutes, 8 seconds.
• To count from 1 to 21,105,088,043,648 would take you about one million, six hundred seventy-seven thousand, six hundred ninety-one 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 21105088043648 cubic inches would be around 2302.9 feet tall.

Recreational maths with 21105088043648

• 21105088043648 backwards is 84634088050112
• The number of decimal digits it has is: 14
• The sum of 21105088043648's digits is 50
• More coming soon!