21396140353246568

Names of 21396140353246568

• Cardinal: 21396140353246568 can be written as Twenty-one quadrillion, three hundred ninety-six trillion, one hundred forty billion, three hundred fifty-three million, two hundred forty-six thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1396140353246568 × 10¹⁶

Factors of 21396140353246568

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1250408

Divisors of 21396140353246568

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 13 14 19 26 28 38 52 56 76 91 104 133 152 182 247 266 364 494 532 728 853 988 1064 1453 1706 1729 1976 2906 3412 3458 5812 5971 6824 6916 10171 11089 11624 11942 13832 16207 18889 20342 22178 23884 27607 32414 37778 40684 44356 47768 55214 64828 75556 77623 81368 88712 110428 113449 129656 132223 151112 155246 193249 210691 220856 226898 264446 310492 358891 386498 421382 453796 528892 620984 717782 772996 842764 907592 1057784 1239409 1248061 1435564 1474837 1545992 1685528 2478818 2496122 2512237 2871128 2949674 4957636 4992244 5024474 5899348 8675863 8736427 9915272 9984488 10048948 11798696 16112317 16224793 17351726 17472854 20097896 23548771 23713159 32224634 32449586 34703452 34945708 47097542 47426318 64449268 64899172 69406904 69891416 94195084 94852636 112786219 113573551 128898536 129798344 164841397 165992113 188390168 189705272 225572438 227147102 306134023 308271067 329682794 331984226 451144876 454294204 612268046 616542134 659365588 663968452 902289752 908588408 1064596033 1224536092 1233084268 1318731176 1327936904 1813432633 2129192066 2142938161 2157897469 2449072184 2466168536 3626865266 4258384132 4285876322 4315794938 7253730532 7452172231 8516768264 8571752644 8631589876 12694028431 13839748429 14507461064 14904344462 17143505288 17263179752 20227324627 23574624229 25388056862 27679496858 29808688924 34455220027 40454649254 47149248458 50776113724 55358993716 59617377848 68910440054 80909298508 94298496916 96878239003 101552227448 110717987432 137820880108 141591272389 161818597016 165022369603 188596993832 193756478006 241186540189 262955220151 275641760216 283182544778 330044739206 387512956012 447917860351 482373080378 525910440302 566365089556 660089478412 775025912024 895835720702 964746160756 1051820880604 1132730179112 1320178956824 1546858035949 1791671441404 1840686541057 1929492321512 2103641761208 3093716071898 3135425022457 3583342882808 3681373082114 6187432143796 6270850044914 7362746164228 10828006251643 12374864287592 12541700089828 14725492328456 20109154467337 21656012503286 25083400179656 29390302683031 40218308934674 43312025006572 58780605366062 80436617869348 86624050013144 117561210732124 140764081271359 160873235738696 205732118781217 235122421464248 281528162542718 382073934879403 411464237562434 563056325085436 764147869758806 822928475124868 1126112650170872 1528295739517612 1645856950249736 2674517544155821 3056591479035224 5349035088311642 10698070176623284 21396140353246568
• Sum of all divisors σ(n): 52071215427571200
• Sum of proper divisors (its aliquot sum) s(n): 30675075074324632
• 21396140353246568 is an abundant number, because the sum of its proper divisors (30675075074324632) is greater than itself. Its abundance is 9278934721078064

Bases of 21396140353246568

• Binary: 1001100000000111010110100100001010100011101010101101000₂
• Hexadecimal: 0x4C03AD2151D568
• Base-36: 5UOAR6MCLEW

Squares and roots of 21396140353246568

• 21396140353246568 squared (21396140353246568²) is 457794822015826171678177803778624
• 21396140353246568 cubed (21396140353246568³) is 9795042264840148710151764064435077789936359762432
• The square root of 21396140353246568 is 146274195.7873861223
• The cube root of 21396140353246568 is 277616.4177960029

Scales and comparisons

• 21,396,140,353,246,568 seconds is equal to 680,331,080 years, 32 weeks, 3 days, 18 hours, 16 minutes, 8 seconds.
• To count from 1 to 21,396,140,353,246,568 would take you about two billion, forty million, nine hundred ninety-three thousand, two hundred forty-one 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 21396140353246568 cubic inches would be around 23134.7 feet tall.

Recreational maths with 21396140353246568

• 21396140353246568 backwards is 86564235304169312
• The number of decimal digits it has is: 17
• The sum of 21396140353246568's digits is 68
• More coming soon!