21216789531996

Names of 21216789531996

• Cardinal: 21216789531996 can be written as Twenty-one trillion, two hundred sixteen billion, seven hundred eighty-nine million, five hundred thirty-one thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 2.1216789531996 × 10¹³

Factors of 21216789531996

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 781

Divisors of 21216789531996

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 12 37 61 74 111 122 148 157 183 222 244 314 366 444 471 521 628 732 942 1042 1563 1884 2084 2257 3126 3721 4514 5809 6252 6771 7442 9028 9577 11163 11618 13542 14884 17427 19154 19277 22326 23236 24649 27084 28731 31781 34854 38308 38554 44652 49298 57462 57831 63562 69708 73947 77108 81797 95343 98596 114924 115662 127124 137677 147894 163594 190686 231324 245391 275354 295788 327188 354349 381372 413031 490782 550708 584197 708698 826062 912013 981564 1063047 1168394 1175897 1417396 1503589 1652124 1752591 1824026 1938641 2126094 2336788 2351794 2736039 3007178 3026489 3505182 3527691 3648052 3877282 4252188 4510767 4703588 4989617 5472078 5815923 6014356 6052978 7010364 7055382 7754564 9021534 9079467 9979234 10944156 11631846 12105956 12842129 14110764 14968851 18043068 18158934 19958468 21615289 23263692 25684258 29937702 36317868 38526387 43230578 51368516 55632793 59875404 64845867 71729717 77052774 86461156 91718929 111265586 129691734 143459434 154105548 166898379 183437858 184615829 215189151 222531172 259383468 275156787 286918868 304366637 333796758 366875716 369231658 430378302 475158773 550313574 553847487 608733274 667593516 738463316 783369869 860756604 913099911 950317546 1100627148 1107694974 1217466548 1425476319 1566739738 1826199822 1900635092 2215389948 2350109607 2850952638 3133479476 3393600373 3652399644 4700219214 5701905276 6787200746 9400438428 10180801119 11261565569 13574401492 20361602238 22523131138 28984685153 33784696707 40723204476 45046262276 47785562009 57969370306 67569393414 86954055459 95571124018 115938740612 135138786828 143356686027 173908110918 191142248036 286713372054 347816221836 573426744108 1768065794333 3536131588666 5304197382999 7072263177332 10608394765998 21216789531996
• Sum of all divisors σ(n): 52122197666448
• Sum of proper divisors (its aliquot sum) s(n): 30905408134452
• 21216789531996 is an abundant number, because the sum of its proper divisors (30905408134452) is greater than itself. Its abundance is 9688618602456

Bases of 21216789531996

• Binary: 100110100101111101011001101000000110101011100₂
• Hexadecimal: 0x134BEB340D5C
• Base-36: 7IQUWOP5O

Squares and roots of 21216789531996

• 21216789531996 squared (21216789531996²) is 450152158045015044707744016
• 21216789531996 cubed (21216789531996³) is 9550783594614884176705595177825609535936
• The square root of 21216789531996 is 4606168.6391181989
• The cube root of 21216789531996 is 27683.8543764855

Scales and comparisons

• 21,216,789,531,996 seconds is equal to 674,628 years, 14 weeks, 3 days, 15 hours, 46 minutes, 36 seconds.
• To count from 1 to 21,216,789,531,996 would take you about one million, six hundred eighty-six thousand, five hundred seventy 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 21216789531996 cubic inches would be around 2307 feet tall.

Recreational maths with 21216789531996

• 21216789531996 backwards is 69913598761212
• The number of decimal digits it has is: 14
• The sum of 21216789531996's digits is 69
• More coming soon!