21401018730

Names of 21401018730

• Cardinal: 21401018730 can be written as Twenty-one billion, four hundred one million, eighteen thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 2.140101873 × 10¹⁰

Factors of 21401018730

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1047

Divisors of 21401018730

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 39 42 43 45 63 65 67 70 78 86 90 91 105 117 126 129 130 134 182 195 201 210 215 234 258 273 301 315 335 387 390 402 430 455 469 546 559 585 602 603 630 645 670 774 819 871 903 907 910 938 1005 1118 1170 1206 1290 1365 1407 1505 1638 1677 1742 1806 1814 1935 2010 2345 2613 2709 2721 2730 2795 2814 2881 3010 3015 3354 3870 3913 4095 4221 4355 4515 4535 4690 5031 5226 5418 5442 5590 5762 6030 6097 6349 7035 7826 7839 8163 8190 8385 8442 8643 8710 9030 9070 10062 11739 11791 12194 12698 13065 13545 13605 14070 14405 15678 16326 16770 17286 18291 19047 19565 20167 21105 23478 23582 25155 25929 26130 27090 27210 28810 30485 31745 35217 35373 36582 37453 38094 39001 39130 39195 40334 40815 42210 43215 50310 51858 54873 57141 58695 58955 60501 60769 60970 63490 70434 70746 74906 78002 78390 81630 82537 86430 91455 95235 100835 106119 109746 112359 114282 117003 117390 117910 121002 121538 129645 165074 176085 176865 181503 182307 182910 187265 190470 195005 201670 212238 224718 234006 247611 259290 262171 273007 274365 285705 302505 303845 337077 351009 352170 353730 363006 364614 374530 390010 412685 425383 495222 507013 524342 530595 546014 546921 548730 561795 571410 585015 605010 607690 674154 702018 742833 786513 789997 819021 825370 850766 907515 911535 1014026 1061190 1093842 1123590 1170030 1238055 1276149 1310855 1365035 1485666 1521039 1573026 1579994 1638042 1685385 1755045 1815030 1823070 2126915 2359539 2369991 2457063 2476110 2535065 2552298 2613067 2621710 2730070 2734605 3042078 3370770 3510090 3549091 3714165 3828447 3932565 3949985 4095105 4253830 4563117 4719078 4739982 4914126 5070130 5226134 5469210 5529979 6380745 7098182 7109973 7428330 7605195 7656894 7839201 7865130 7899970 8190210 9126234 10647273 11059958 11797695 11849955 12285315 12761490 13065335 14219946 15210390 15678402 16589937 17745455 18291469 19142235 21294546 22815585 23517603 23595390 23699910 24570630 26130670 27649895 31941819 33179874 33969871 35490910 35549865 36582938 38284470 39196005 45631170 47035206 49769811 53236365 54874407 55299790 63883638 67939742 71099730 78392010 82949685 91457345 99539622 101909613 106472730 109748814 117588015 159709095 164623221 165899370 169849355 182914690 203819226 235176030 237789097 248849055 274372035 305728839 319418190 329246442 339698710 475578194 497698110 509548065 548744070 611457678 713367291 823116105 1019096130 1188945485 1426734582 1528644195 1646232210 2140101873 2377890970 3057288390 3566836455 4280203746 7133672910 10700509365 21401018730
• Sum of all divisors σ(n): 71200217088
• Sum of proper divisors (its aliquot sum) s(n): 49799198358
• 21401018730 is an abundant number, because the sum of its proper divisors (49799198358) is greater than itself. Its abundance is 28398179628

Bases of 21401018730

• Binary: 10011111011100110011010000101101010₂
• Hexadecimal: 0x4FB99A16A
• Base-36: 9TXM3QI

Squares and roots of 21401018730

• 21401018730 squared (21401018730²) is 458003602681810812900
• 21401018730 cubed (21401018730³) is 9801743679400911437189425617000
• The square root of 21401018730 is 146290.8702892973
• The cube root of 21401018730 is 2776.3751528587

Scales and comparisons

• 21,401,018,730 seconds is equal to 680 years, 25 weeks, 1 day, 23 hours, 25 minutes, 30 seconds.
• To count from 1 to 21,401,018,730 would take you about one thousand, three hundred sixty 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 21401018730 cubic inches would be around 231.4 feet tall.

Recreational maths with 21401018730

• 21401018730 backwards is 03781010412
• The number of decimal digits it has is: 11
• The sum of 21401018730's digits is 27
• More coming soon!