21231368813700

Names of 21231368813700

• Cardinal: 21231368813700 can be written as Twenty-one trillion, two hundred thirty-one billion, three hundred sixty-eight million, eight hundred thirteen thousand, seven hundred.

Scientific notation

• Scientific notation: 2.12313688137 × 10¹³

Factors of 21231368813700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1533395

Divisors of 21231368813700

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 23 25 27 30 36 45 46 50 54 60 69 75 90 92 100 108 115 135 138 150 180 207 223 225 230 270 276 300 345 414 446 450 460 540 575 621 669 675 690 828 892 900 1035 1115 1150 1242 1338 1350 1380 1725 2007 2070 2230 2300 2484 2676 2700 3105 3345 3450 4014 4140 4460 5129 5175 5575 6021 6210 6690 6900 8028 10035 10258 10350 11150 12042 12420 13380 15387 15525 16725 20070 20516 20700 22300 24084 25645 30105 30774 31050 33450 40140 46161 50175 51290 60210 61548 62100 66900 76935 92322 100350 102580 120420 128225 138483 150525 153870 184644 200700 230805 256450 276966 301050 307740 384675 461610 512900 553932 602100 692415 769350 923220 1154025 1384830 1533139 1538700 2308050 2769660 3066278 3462075 4599417 4616100 6132556 6924150 7665695 9198834 13798251 13848300 15331390 18397668 22997085 27596502 30662780 35262197 38328475 41394753 45994170 55193004 68991255 70524394 76656950 82789506 91988340 105786591 114985425 137982510 141048788 153313900 165579012 176310985 206973765 211573182 229970850 275965020 317359773 341889997 344956275 352621970 413947530 423146364 459941700 528932955 634719546 683779994 689912550 705243940 827895060 881554925 952079319 1025669991 1034868825 1057865910 1269439092 1367559988 1379825100 1586798865 1709449985 1763109850 1904158638 2051339982 2069737650 2115731820 2644664775 3077009973 3173597730 3418899970 3526219700 3808317276 4102679964 4139475300 4760396595 5128349955 5289329550 6154019946 6347195460 6837799940 7863469931 7933994325 8547249925 9231029919 9520793190 10256699910 10578659100 12308039892 15385049865 15726939862 15867988650 17094499850 18462059838 19041586380 20513399820 23590409793 23801982975 25641749775 30770099730 31453879724 31735977300 34188999700 36924119676 39317349655 46155149595 47180819586 47603965950 51283499550 61540199460 70771229379 76925249325 78634699310 92310299190 94361639172 95207931900 102566999100 117952048965 141542458758 153850498650 157269398620 184620598380 196586748275 212313688137 230775747975 235904097930 283084917516 307700997300 353856146895 393173496550 424627376274 461551495950 471808195860 589760244825 707712293790 786346993100 849254752548 923102991900 1061568440685 1179520489650 1415424587580 1769280734475 2123136881370 2359040979300 3538561468950 4246273762740 5307842203425 7077122937900 10615684406850 21231368813700
• Sum of all divisors σ(n): 71541954355200
• Sum of proper divisors (its aliquot sum) s(n): 50310585541500
• 21231368813700 is an abundant number, because the sum of its proper divisors (50310585541500) is greater than itself. Its abundance is 29079216727800

Bases of 21231368813700

• Binary: 100110100111101010000001100100011110010000100₂
• Hexadecimal: 0x134F50323C84
• Base-36: 7IXK0TAX0

Squares and roots of 21231368813700

• 21231368813700 squared (21231368813700²) is 450771021703352945307690000
• 21231368813700 cubed (21231368813700³) is 9570485812312253575729731216787353000000
• The square root of 21231368813700 is 4607750.9496173945
• The cube root of 21231368813700 is 27690.1939831163

Scales and comparisons

• 21,231,368,813,700 seconds is equal to 675,091 years, 44 weeks, 3 days, 8 hours, 15 minutes.
• To count from 1 to 21,231,368,813,700 would take you about one million, six hundred eighty-seven thousand, seven hundred twenty-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 21231368813700 cubic inches would be around 2307.5 feet tall.

Recreational maths with 21231368813700

• 21231368813700 backwards is 00731886313212
• 21231368813700 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21231368813700's digits is 45
• More coming soon!