21002357079990

Names of 21002357079990

• Cardinal: 21002357079990 can be written as Twenty-one trillion, two billion, three hundred fifty-seven million, seventy-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.100235707999 × 10¹³

Factors of 21002357079990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4110972

Divisors of 21002357079990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 18 22 26 30 33 39 45 55 65 66 78 90 99 110 117 130 143 165 195 198 234 286 330 390 397 429 495 585 715 794 858 990 1170 1191 1287 1430 1985 2145 2382 2574 3573 3970 4290 4367 5161 5955 6435 7146 8734 10322 11910 12870 13101 15483 17865 21835 25805 26202 30966 35730 39303 43670 46449 51610 56771 65505 77415 78606 92898 113542 131010 154830 170313 196515 232245 283855 340626 393030 464490 510939 567710 851565 1021878 1703130 2554695 4110541 5109390 8221082 12331623 20552705 24663246 36994869 41105410 45215951 53437033 61658115 73989738 90431902 106874066 123316230 135647853 160311099 184974345 226079755 267185165 271295706 320622198 369948690 406943559 452159510 480933297 534370330 587807363 678239265 801555495 813887118 961866594 1175614726 1356478530 1603110990 1631884777 1763422089 2034717795 2404666485 2939036815 3263769554 3526844178 4069435590 4809332970 4895654331 5290266267 5878073630 8159423885 8817110445 9791308662 10580532534 14686962993 16318847770 17634220890 17950732547 21214502101 24478271655 26451331335 29373925986 35901465094 42429004202 48956543310 52902662670 53852197641 63643506303 73434814965 89753662735 106072510505 107704395282 127287012606 146869629930 161556592923 179507325470 190930518909 212145021010 233359523111 269260988205 318217531515 323113185846 381861037818 466719046222 538521976410 636435063030 700078569333 807782964615 954652594545 1166797615555 1400157138666 1615565929230 1909305189090 2100235707999 2333595231110 3500392846665 4200471415998 7000785693330 10501178539995 21002357079990
• Sum of all divisors σ(n): 64314263587392
• Sum of proper divisors (its aliquot sum) s(n): 43311906507402
• 21002357079990 is an abundant number, because the sum of its proper divisors (43311906507402) is greater than itself. Its abundance is 22309549427412

Bases of 21002357079990

• Binary: 100110001100111111110000010000111111110110110₂
• Hexadecimal: 0x1319FE087FB6
• Base-36: 7G0CL529I

Squares and roots of 21002357079990

• 21002357079990 squared (21002357079990²) is 441099002915406079258400100
• 21002357079990 cubed (21002357079990³) is 9264118766856908519758546428915123999000
• The square root of 21002357079990 is 4582832.8662509611
• The cube root of 21002357079990 is 27590.2739482051

Scales and comparisons

• 21,002,357,079,990 seconds is equal to 667,809 years, 51 weeks, 3 days, 13 hours, 46 minutes, 30 seconds.
• To count from 1 to 21,002,357,079,990 would take you about one million, six hundred sixty-nine thousand, five hundred twenty-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 21002357079990 cubic inches would be around 2299.2 feet tall.

Recreational maths with 21002357079990

• 21002357079990 backwards is 09997075320012
• The number of decimal digits it has is: 14
• The sum of 21002357079990's digits is 54
• More coming soon!