21042615604912425

Names of 21042615604912425

• Cardinal: 21042615604912425 can be written as Twenty-one quadrillion, forty-two trillion, six hundred fifteen billion, six hundred four million, nine hundred twelve thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 2.1042615604912425 × 10¹⁶

Factors of 21042615604912425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 41193

Divisors of 21042615604912425

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 5 9 15 17 19 25 27 45 51 57 75 81 85 95 135 153 171 225 255 285 323 361 405 425 459 475 513 675 765 855 969 1083 1275 1377 1425 1539 1615 1805 2025 2295 2565 2907 3249 3825 4275 4845 5415 6137 6885 7695 8075 8721 9025 9747 11475 12825 14535 16245 18411 24225 26163 27075 29241 30685 34425 38475 41149 43605 48735 55233 72675 81225 92055 123447 130815 146205 153425 165699 205745 218025 243675 276165 370341 460275 497097 617235 654075 699533 731025 781831 828495 1028725 1111023 1380825 1851705 2098599 2345493 2485485 3086175 3333069 3497665 3909155 4142475 5555115 6295797 7036479 9258525 10492995 11727465 12427425 13291127 14854789 16665345 17488325 18887391 19545775 21109437 27775575 31478985 35182395 39873381 44564367 52464975 56662173 58637325 63328311 66455635 74273945 83326725 94436955 105547185 119620143 133693101 157394925 175911975 199366905 222821835 252531413 283310865 316641555 332278175 358860429 371369725 401079303 472184775 527735925 598100715 668465505 757594239 996834525 1076581287 1114109175 1203237909 1262657065 1416554325 1583207775 1693240201 1794302145 2005396515 2272782717 2990503575 3342327525 3787971195 5079720603 5382906435 6016189545 6313285325 6818348151 8466201005 8971510725 10026982575 11363913585 15239161809 18939855975 20455044453 25398603015 26914532175 28785083417 30080947725 32171563819 34091740755 42331005025 45717485427 56819567925 76195809045 86355250251 96514691457 102275222265 126993015075 137152456281 143925417085 160857819095 170458703775 228587427135 259065750753 289544074371 380979045225 431776251255 482573457285 511376111325 546916584923 611259712561 685762281405 719627085425 777197252259 804289095475 868632223113 1142937135675 1295328753765 1447720371855 1640749754769 1833779137683 2158881256275 2331591756777 2412867286425 2605896669339 2734582924615 3056298562805 3428811407025 3885986261295 4343161115565 4922249264307 5501337413049 6476643768825 7238601859275 8203748773845 9168895688415 10391415113537 11657958783885 13029483346695 13672914623075 14766747792921 15281492814025 16504012239147 19429931306475 21715805577825 24611246321535 27506687065245 31174245340611 41018743869225 44300243378763 45844478442075 49512036717441 51957075567685 58289793919425 65147416733475 73833738964605 82520061195735 93522736021833 123056231607675 137533435326225 155871226703055 221501216893815 247560183587205 259785377838425 280568208065499 369168694823025 412600305978675 467613680109165 779356133515275 841704624196497 1107506084469075 1237800917936025 1402841040327495 2338068400545825 4208523120982485 7014205201637475 21042615604912425
• Sum of all divisors σ(n): 43558575667847658
• Sum of proper divisors (its aliquot sum) s(n): 22515960062935233
• 21042615604912425 is an abundant number, because the sum of its proper divisors (22515960062935233) is greater than itself. Its abundance is 1473344458022808

Bases of 21042615604912425

• Binary: 1001010110000100010010110111100010001101010000100101001₂
• Hexadecimal: 0x4AC225BC46A129
• Base-36: 5R6ZG5MXHK9

Squares and roots of 21042615604912425

• 21042615604912425 squared (21042615604912425²) is 442791671496103901901791919380625
• 21042615604912425 cubed (21042615604912425³) is 9317494936349172182228764521012592132313366765625
• The square root of 21042615604912425 is 145060730.7472026525
• The cube root of 21042615604912425 is 276078.9157035247

Scales and comparisons

• 21,042,615,604,912,425 seconds is equal to 669,090,087 years, 7 weeks, 6 days, 12 hours, 33 minutes, 45 seconds.
• To count from 1 to 21,042,615,604,912,425 would take you about two billion, seven million, two hundred seventy thousand, two 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 21042615604912425 cubic inches would be around 23006.6 feet tall.

Recreational maths with 21042615604912425

• 21042615604912425 backwards is 52421940651624012
• The number of decimal digits it has is: 17
• The sum of 21042615604912425's digits is 54
• More coming soon!