21514473990

Names of 21514473990

• Cardinal: 21514473990 can be written as Twenty-one billion, five hundred fourteen million, four hundred seventy-three thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.151447399 × 10¹⁰

Factors of 21514473990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 161

Divisors of 21514473990

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 31 37 45 54 62 74 81 83 90 93 111 135 155 162 166 185 186 222 243 249 270 279 310 333 370 405 415 465 486 498 555 558 666 729 747 810 830 837 930 961 999 1110 1147 1215 1245 1395 1458 1494 1665 1674 1922 1998 2241 2294 2430 2490 2511 2573 2790 2883 2997 3071 3330 3441 3645 3735 4185 4482 4805 4995 5022 5146 5735 5766 5994 6142 6723 6882 7290 7470 7533 7719 8370 8649 8991 9213 9610 9990 10323 11205 11470 12555 12865 13446 14415 14985 15066 15355 15438 17205 17298 17982 18426 20169 20646 22410 22599 23157 25110 25730 25947 26973 27639 28830 29970 30710 30969 33615 34410 35557 37665 38595 40338 43245 44955 45198 46065 46314 51615 51894 53946 55278 60507 61938 67230 69471 71114 75330 77190 77841 79763 82917 86490 89910 92130 92907 95201 100845 103230 106671 112995 115785 121014 129735 134865 138195 138942 154845 155682 159526 165834 177785 185814 190402 201690 208413 213342 225990 231570 233523 239289 248751 259470 269730 276390 278721 285603 302535 309690 320013 347355 355570 389205 398815 414585 416826 464535 467046 476005 478578 497502 533355 557442 571206 605070 625239 640026 694710 700569 717867 746253 778410 797630 829170 836163 856809 929070 952010 960039 1042065 1066710 1167615 1196445 1243755 1250478 1393605 1401138 1428015 1435734 1492506 1600065 1672326 1713618 1875717 1920078 2084130 2153601 2238759 2335230 2392890 2487510 2570427 2787210 2856030 2880117 2951231 3126195 3200130 3502845 3589335 3731265 3751434 4180815 4284045 4307202 4477518 4800195 5140854 5760234 5902462 6252390 6460803 7005690 7178670 7462530 7711281 8361630 8568090 8640351 8853693 9378585 9600390 10768005 11193795 12852135 12921606 14400585 14756155 15422562 17280702 17707386 18757170 19382409 21536010 22387590 23133843 25704270 25921053 26561079 28801170 29512310 32304015 38556405 38764818 43201755 44268465 46267686 51842106 53122158 58147227 64608030 69401529 77112810 79683237 86403510 88536930 96912045 115669215 116294454 129605265 132805395 138803058 159366474 193824090 231338430 239049711 259210530 265610790 290736135 347007645 398416185 478099422 581472270 694015290 717149133 796832370 1195248555 1434298266 2151447399 2390497110 3585745665 4302894798 7171491330 10757236995 21514473990
• Sum of all divisors σ(n): 62359812144
• Sum of proper divisors (its aliquot sum) s(n): 40845338154
• 21514473990 is an abundant number, because the sum of its proper divisors (40845338154) is greater than itself. Its abundance is 19330864164

Bases of 21514473990

• Binary: 10100000010010111001101001000000110₂
• Hexadecimal: 0x5025CD206
• Base-36: 9VT5UDI

Squares and roots of 21514473990

• 21514473990 squared (21514473990²) is 462872591066386520100
• 21514473990 cubed (21514473990³) is 9958460321181679149978062199000
• The square root of 21514473990 is 146678.1305784883
• The cube root of 21514473990 is 2781.2727290891

Scales and comparisons

• 21,514,473,990 seconds is equal to 684 years, 4 weeks, 6 days, 2 hours, 46 minutes, 30 seconds.
• To count from 1 to 21,514,473,990 would take you about one thousand, three hundred sixty-eight 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 21514473990 cubic inches would be around 231.8 feet tall.

Recreational maths with 21514473990

• 21514473990 backwards is 09937441512
• 21514473990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21514473990's digits is 45
• More coming soon!