21068358012

Names of 21068358012

• Cardinal: 21068358012 can be written as Twenty-one billion, sixty-eight million, three hundred fifty-eight thousand and twelve.

Scientific notation

• Scientific notation: 2.1068358012 × 10¹⁰

Factors of 21068358012

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 490

Divisors of 21068358012

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 19 26 27 31 36 38 39 52 54 57 62 73 76 78 93 108 114 117 124 146 156 171 186 219 228 234 247 279 292 342 349 351 372 403 438 468 494 513 558 589 657 684 698 702 741 806 837 876 949 988 1026 1047 1116 1178 1209 1314 1387 1396 1404 1482 1612 1674 1767 1898 1971 2052 2094 2223 2263 2356 2418 2628 2774 2847 2964 3141 3348 3534 3627 3796 3942 4161 4188 4446 4526 4537 4836 5301 5548 5694 6282 6631 6669 6789 7068 7254 7657 7884 8322 8541 8892 9052 9074 9423 10602 10819 10881 11388 12483 12564 13262 13338 13578 13611 14508 15314 15903 16644 17082 18031 18148 18846 19893 20367 21204 21638 21762 22971 24966 25477 25623 26524 26676 27156 27222 29419 30628 31806 32457 34164 36062 37449 37692 39786 40734 40833 42997 43276 43524 45942 49932 50954 51246 54093 54444 58838 59679 61101 63612 64914 68913 72124 74898 76431 79572 81468 81666 85994 86203 88257 91884 97371 101908 102492 108186 117676 119358 122202 122499 128991 129828 137826 140647 149796 152862 162279 163332 171988 172406 176514 179037 194742 205561 206739 216372 229293 238716 244404 244998 257982 258609 264771 275652 281294 292113 305724 324558 331201 344812 353028 358074 386973 389484 411122 413478 421941 458586 484063 486837 489996 515964 517218 529542 558961 562588 584226 616683 649116 662402 687879 716148 773946 775827 789787 794313 822244 826956 843882 917172 968126 973674 993603 1034436 1059084 1117922 1160919 1168452 1233366 1265823 1324804 1375758 1452189 1547892 1551654 1579574 1588626 1676883 1687764 1850049 1936252 1947348 1987206 2235844 2321838 2327481 2369361 2466732 2531646 2672293 2751516 2904378 2980809 3103308 3159148 3177252 3353766 3700098 3797469 3974412 4356567 4643676 4654962 4738722 5030649 5063292 5344586 5550147 5808756 5961618 6292819 6707532 7108083 7400196 7594938 8016879 8713134 8942427 9309924 9477444 10061298 10267231 10689172 11100294 11923236 12585638 13069701 14216166 15005953 15091947 15189876 16033758 17426268 17884854 18878457 20122596 20534462 21324249 22200588 24050637 25171276 26139402 28432332 30011906 30183894 30801693 32067516 35769708 37756914 41068924 42648498 45017859 48101274 52278804 56635371 60023812 60367788 61603386 72151911 75513828 85296996 90035718 92405079 96202548 113270742 123206772 135053577 144303822 169906113 180071436 184810158 195077389 226541484 270107154 277215237 288607644 339812226 369620316 390154778 405160731 540214308 554430474 585232167 679624452 780309556 810321462 1108860948 1170464334 1620642924 1755696501 2340928668 3511393002 5267089503 7022786004 10534179006 21068358012
• Sum of all divisors σ(n): 64977920000
• Sum of proper divisors (its aliquot sum) s(n): 43909561988
• 21068358012 is an abundant number, because the sum of its proper divisors (43909561988) is greater than itself. Its abundance is 22841203976

Bases of 21068358012

• Binary: 10011100111110001011010000101111100₂
• Hexadecimal: 0x4E7C5A17C
• Base-36: 9OFK130

Squares and roots of 21068358012

• 21068358012 squared (21068358012²) is 443875709321804592144
• 21068358012 cubed (21068358012³) is 9351732356822224865195434657728
• The square root of 21068358012 is 145149.4333850463
• The cube root of 21068358012 is 2761.9144987159

Scales and comparisons

• 21,068,358,012 seconds is equal to 669 years, 47 weeks, 1 day, 17 hours, 40 minutes, 12 seconds.
• To count from 1 to 21,068,358,012 would take you about one thousand, three hundred thirty-nine 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 21068358012 cubic inches would be around 230.2 feet tall.

Recreational maths with 21068358012

• 21068358012 backwards is 21085386012
• 21068358012 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21068358012's digits is 36
• More coming soon!