21289271190

Names of 21289271190

• Cardinal: 21289271190 can be written as Twenty-one billion, two hundred eighty-nine million, two hundred seventy-one thousand, one hundred ninety.

Scientific notation

• Scientific notation: 2.128927119 × 10¹⁰

Factors of 21289271190

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 265

Divisors of 21289271190

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 10 11 15 17 22 30 33 34 43 51 55 66 71 85 86 102 110 113 121 129 142 165 170 187 213 215 226 242 255 258 330 339 355 363 374 426 430 473 510 561 565 605 645 678 710 726 731 781 935 946 1065 1122 1130 1207 1210 1243 1290 1419 1462 1562 1695 1815 1870 1921 2057 2130 2193 2343 2365 2414 2486 2805 2838 3053 3390 3621 3630 3655 3729 3842 3905 4114 4386 4686 4730 4859 5203 5610 5763 6035 6106 6171 6215 7095 7242 7310 7458 7810 8023 8041 8591 9159 9605 9718 10285 10406 10965 11526 11715 12070 12342 12430 13277 13673 14190 14577 15265 15609 16046 16082 17182 18105 18318 18645 19210 20570 21131 21930 23430 24069 24123 24295 25773 26015 26554 27346 28815 29154 30530 30855 31218 33583 36210 37290 39831 40115 40205 41019 42262 42955 45795 48138 48246 48590 51546 51901 52030 53449 57630 61710 63393 66385 67166 68365 72885 78045 79662 80230 80410 82038 82603 85910 88253 88451 91590 100749 103802 105655 106898 120345 120615 126786 128865 132770 136391 136730 145770 146047 155703 156090 160347 165206 167915 176506 176902 199155 201498 205095 211310 232441 240690 241230 247809 257730 259505 264759 265353 267245 272782 292094 311406 316965 320694 335830 344989 369413 398310 409173 410190 413015 438141 441265 442255 464882 495618 503745 519010 529518 530706 534490 570911 587939 633930 681955 689978 697323 730235 738826 778515 801735 818346 826030 876282 882530 884510 908633 970783 1007490 1034967 1108239 1141822 1162205 1175878 1239045 1323795 1326765 1363910 1394646 1460470 1500301 1557030 1603470 1712733 1724945 1763817 1817266 1847065 1941566 2045865 2069934 2190705 2216478 2324410 2478090 2647590 2653530 2725899 2854555 2912349 2939695 3000602 3425466 3449890 3486615 3527634 3694130 3794879 4091730 4381410 4500903 4543165 4853915 5174835 5451798 5541195 5709110 5824698 5864813 5879390 6280021 6973230 7501505 7589758 8563665 8819085 9001806 9086330 9707830 9994963 10349670 11082390 11384637 11729626 12560042 13629495 14561745 15003010 16503311 17127330 17594439 17638170 18840063 18974395 19989926 22504515 22769274 27258990 29123490 29324065 29984889 31400105 33006622 35188878 37680126 37948790 41743669 45009030 49509933 49974815 56923185 58648130 59969778 62800210 64512943 82516555 83487338 87972195 94200315 99019866 99949630 113846370 125231007 129025886 149924445 165033110 175944390 188400630 193538829 208718345 247549665 250462014 299848890 322564715 387077658 417436690 495099330 626155035 645129430 709642373 967694145 1252310070 1419284746 1935388290 2128927119 3548211865 4257854238 7096423730 10644635595 21289271190
• Sum of all divisors σ(n): 62251047936
• Sum of proper divisors (its aliquot sum) s(n): 40961776746
• 21289271190 is an abundant number, because the sum of its proper divisors (40961776746) is greater than itself. Its abundance is 19672505556

Bases of 21289271190

• Binary: 10011110100111100000111111110010110₂
• Hexadecimal: 0x4F4F07F96
• Base-36: 9S32YS6

Squares and roots of 21289271190

• 21289271190 squared (21289271190²) is 453233067801364016100
• 21289271190 cubed (21289271190³) is 9649001692698895590660426159000
• The square root of 21289271190 is 145908.4342661521
• The cube root of 21289271190 is 2771.5343448097

Scales and comparisons

• 21,289,271,190 seconds is equal to 676 years, 48 weeks, 3 days, 14 hours, 26 minutes, 30 seconds.
• To count from 1 to 21,289,271,190 would take you about one thousand, three hundred fifty-three 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 21289271190 cubic inches would be around 231 feet tall.

Recreational maths with 21289271190

• 21289271190 backwards is 09117298212
• The number of decimal digits it has is: 11
• The sum of 21289271190's digits is 42
• More coming soon!