21662220420

Names of 21662220420

• Cardinal: 21662220420 can be written as Twenty-one billion, six hundred sixty-two million, two hundred twenty thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.166222042 × 10¹⁰

Factors of 21662220420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 177

Divisors of 21662220420

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 53 54 60 68 81 85 90 97 102 106 108 135 153 159 162 170 180 194 204 212 243 255 265 270 289 291 306 318 324 340 388 405 459 477 485 486 510 530 540 578 582 612 636 729 765 795 810 867 873 901 918 954 970 972 1020 1060 1156 1164 1215 1377 1431 1445 1455 1458 1530 1590 1620 1649 1734 1746 1802 1836 1908 1940 2295 2385 2430 2601 2619 2703 2754 2862 2890 2910 2916 3060 3180 3298 3468 3492 3604 3645 4131 4293 4335 4365 4505 4590 4770 4860 4947 5141 5202 5238 5406 5508 5724 5780 5820 6596 6885 7155 7290 7803 7857 8109 8245 8262 8586 8670 8730 9010 9180 9540 9894 10282 10404 10476 10812 12393 12879 13005 13095 13515 13770 14310 14580 14841 15317 15423 15606 15714 16218 16490 16524 17172 17340 17460 18020 19788 20564 20655 21465 23409 23571 24327 24735 24786 25705 25758 26010 26190 27030 27540 28033 28620 29682 30634 30846 31212 31428 32436 32980 38637 39015 39285 40545 41310 42930 44523 45951 46269 46818 47142 48654 49470 49572 51410 51516 52020 52380 54060 56066 59364 61268 61692 61965 64395 70227 70713 72981 74205 76585 77115 77274 78030 78570 81090 82620 84099 85860 87397 89046 91902 92538 93636 94284 97308 98940 102820 112132 117045 117855 121635 123930 128790 133569 137853 138807 140165 140454 141426 145962 148410 153170 154230 154548 156060 157140 162180 168198 174794 178092 183804 185076 193185 210681 218943 222615 229755 231345 234090 235710 243270 247860 252297 257580 262191 267138 275706 277614 280330 280908 282852 291924 296820 306340 308460 336396 349588 351135 353565 364905 386370 400707 413559 416421 420495 421362 436985 437886 445230 459510 462690 468180 471420 486540 504594 524382 534276 551412 555228 560660 656829 667845 689265 694035 702270 707130 729810 756891 772740 786573 801414 827118 832842 840990 842724 873970 875772 890460 919020 925380 1009188 1048764 1053405 1094715 1202121 1240677 1249263 1261485 1310955 1313658 1335690 1378530 1388070 1404540 1414260 1459620 1485749 1513782 1573146 1602828 1654236 1665684 1681980 1747940 2003535 2067795 2082105 2106810 2189430 2270673 2359719 2404242 2481354 2498526 2522970 2621910 2627316 2671380 2757060 2776140 2971498 3027564 3146292 3284145 3722031 3747789 3784455 3932865 4007070 4135590 4164210 4213620 4378860 4457247 4541346 4719438 4808484 4962708 4997052 5045940 5243820 5942996 6010605 6203385 6246315 6568290 6812019 7079157 7428745 7444062 7495578 7568910 7865730 8014140 8271180 8328420 8914494 9082692 9438876 11166093 11353365 11798595 12021210 12406770 12492630 13136580 13371741 13624038 14158314 14857490 14888124 14991156 15137820 15731460 17828988 18610155 18738945 20436057 21237471 22286235 22332186 22706730 23597190 24042420 24813540 24985260 26743482 27248076 28316628 29714980 34060095 35395785 37220310 37477890 40115223 40872114 42474942 44572470 44664372 45413460 47194380 53486964 55830465 63712413 66858705 68120190 70791570 74440620 74955780 80230446 81744228 84949884 89144940 102180285 106187355 111660930 120345669 127424826 133717410 136240380 141583140 160460892 200576115 204360570 212374710 223321860 240691338 254849652 267434820 318562065 361037007 401152230 408721140 424749420 481382676 601728345 637124130 722074014 802304460 1083111021 1203456690 1274248260 1444148028 1805185035 2166222042 2406913380 3610370070 4332444084 5415555105 7220740140 10831110210 21662220420
• Sum of all divisors σ(n): 74580907464
• Sum of proper divisors (its aliquot sum) s(n): 52918687044
• 21662220420 is an abundant number, because the sum of its proper divisors (52918687044) is greater than itself. Its abundance is 31256466624

Bases of 21662220420

• Binary: 10100001011001010110100000010000100₂
• Hexadecimal: 0x50B2B4084
• Base-36: 9Y94K90

Squares and roots of 21662220420

• 21662220420 squared (21662220420²) is 469251793524664976400
• 21662220420 cubed (21662220420³) is 10165035783811621425430898088000
• The square root of 21662220420 is 147180.9105149169
• The cube root of 21662220420 is 2787.6248255817

Scales and comparisons

• 21,662,220,420 seconds is equal to 688 years, 41 weeks, 1 day, 3 hours, 27 minutes.
• To count from 1 to 21,662,220,420 would take you about one thousand, three hundred seventy-seven 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 21662220420 cubic inches would be around 232.3 feet tall.

Recreational maths with 21662220420

• 21662220420 backwards is 02402226612
• 21662220420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21662220420's digits is 27
• More coming soon!