21406620396

Names of 21406620396

• Cardinal: 21406620396 can be written as Twenty-one billion, four hundred six million, six hundred twenty thousand, three hundred ninety-six.

Scientific notation

• Scientific notation: 2.1406620396 × 10¹⁰

Factors of 21406620396

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 209

Divisors of 21406620396

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 29 37 42 49 58 74 84 87 98 111 116 131 147 148 174 196 203 222 259 262 294 343 348 393 406 444 518 524 588 609 686 777 786 812 917 1029 1036 1073 1218 1369 1372 1421 1554 1572 1813 1834 2058 2146 2436 2738 2751 2842 3108 3219 3626 3668 3799 4107 4116 4263 4292 4847 5439 5476 5502 5684 6419 6438 7252 7511 7598 8214 8526 9583 9694 9947 10878 11004 11397 12691 12838 12876 14541 15022 15196 16428 17052 19166 19257 19388 19894 21756 22533 22794 25382 25676 26593 28749 29082 29841 30044 33929 38073 38332 38514 39701 39788 44933 45066 45588 50764 52577 53186 57498 58164 59682 67081 67858 76146 77028 79402 79779 89866 90132 101787 105154 106372 114996 119103 119364 134162 134799 135716 140563 152292 157731 158804 159558 179339 179732 186151 201243 203574 210308 237503 238206 268324 269598 277907 281126 315462 319116 358678 368039 372302 402486 407148 421689 469567 475006 476412 538017 539196 555814 558453 562252 630924 712509 717356 736078 744604 804972 833721 843378 939134 950012 983941 1076034 1104117 1111628 1116906 1255373 1303057 1408701 1425018 1472156 1662521 1667442 1686756 1878268 1945349 1967882 2152068 2208234 2233812 2510746 2606114 2817402 2850036 2951823 3325042 3334884 3766119 3890698 3909171 3935764 4416468 4987563 5021492 5200831 5212228 5634804 5836047 5903646 6650084 6887587 7532238 7781396 7818342 8787611 9975126 10401662 11672094 11807292 13617443 13775174 15064476 15602493 15636684 17575222 19950252 20662761 20803324 23344188 26362833 27234886 27550348 31204986 35150444 36405817 40852329 41325522 48213109 52725666 54469772 61513277 62409972 72811634 81704658 82651044 96426218 105451332 109217451 123026554 144639327 145623268 163409316 184539831 192852436 218434902 246053108 254840719 289278654 369079662 436869804 509681438 578557308 738159324 764522157 1019362876 1529044314 1783885033 3058088628 3567770066 5351655099 7135540132 10703310198 21406620396
• Sum of all divisors σ(n): 62403264000
• Sum of proper divisors (its aliquot sum) s(n): 40996643604
• 21406620396 is an abundant number, because the sum of its proper divisors (40996643604) is greater than itself. Its abundance is 19590023208

Bases of 21406620396

• Binary: 10011111011111011110001101011101100₂
• Hexadecimal: 0x4FBEF1AEC
• Base-36: 9U0Y60C

Squares and roots of 21406620396

• 21406620396 squared (21406620396²) is 458243396778443196816
• 21406620396 cubed (21406620396³) is 9809442443809742830088827859136
• The square root of 21406620396 is 146310.0146811557
• The cube root of 21406620396 is 2776.6173682685

Scales and comparisons

• 21,406,620,396 seconds is equal to 680 years, 34 weeks, 3 days, 19 hours, 26 minutes, 36 seconds.
• To count from 1 to 21,406,620,396 would take you about one thousand, three hundred sixty-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 21406620396 cubic inches would be around 231.4 feet tall.

Recreational maths with 21406620396

• 21406620396 backwards is 69302660412
• The number of decimal digits it has is: 11
• The sum of 21406620396's digits is 39
• More coming soon!