1820147738197243

Names of 1820147738197243

• Cardinal: 1820147738197243 can be written as One quadrillion, eight hundred twenty trillion, one hundred forty-seven billion, seven hundred thirty-eight million, one hundred ninety-seven thousand, two hundred forty-three.

Scientific notation

• Scientific notation: 1.820147738197243 × 10¹⁵

Factors of 1820147738197243

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 324

Divisors of 1820147738197243

• Number of divisors d(n): 324
• Complete list of divisors:
  1 7 13 31 37 49 91 109 127 169 217 259 403 481 637 763 889 1147 1183 1417 1519 1651 1813 2821 3367 3379 3937 4033 4699 5239 5341 6223 6253 8029 8281 9919 11557 11881 13843 14911 16129 18421 19747 21463 23569 23653 27559 28231 32893 36673 43771 43927 51181 52429 56203 61087 69433 80899 83167 96901 104377 112903 125023 128947 145669 150241 154453 165571 179959 192913 193843 197617 209677 230251 256711 306397 307489 358267 367003 368311 427609 429133 439597 499999 512191 571051 582169 596773 665353 678307 681577 730639 790321 794131 875161 902629 1019683 1051687 1081171 1259713 1356901 1467739 1508887 1625299 1758061 1893697 2007889 2152423 2339467 2507869 2569021 2578177 2725801 2993263 3003931 3077179 3499993 3585337 3997357 4177411 4657471 4771039 4788043 5558917 5578729 5714761 6126127 6499987 6658483 7137781 7568197 7758049 8817991 9498307 10274173 10562209 11377093 12306427 13255879 13627507 14055223 15877921 16376269 18047239 18499963 19080607 19615531 21027517 21128887 21540253 22854793 24499951 24618061 25097359 27981499 29241877 32602297 33397273 33516301 38912419 39051103 40003327 45499909 46609381 46775497 54306343 54499891 55828819 62244559 65048257 72523477 73935463 74291893 79639651 84499831 86144989 86560279 92791153 95392549 98386561 100854637 111145447 114633883 129499741 133564249 137308717 147902209 159983551 172326427 177157591 191628649 206412973 234614107 240499519 255001903 273357721 280023289 297112309 318499363 326265667 327428479 380144401 381499237 390801733 435711913 455337799 507664339 520043251 591498817 605921953 608081461 667747843 705982459 708498583 725774647 778018129 845627341 906498187 961161019 1035315463 1119884857 1206284989 1240103137 1341400543 1444890811 1683496633 1730693389 1785013321 2016495967 2079786163 2291999353 2303048683 2491172437 2670494659 2683368649 2735612131 3049983391 3126493747 3187364593 3553650373 3640302757 4140491719 4241453671 4256570227 4941877213 4959490081 5080422529 5919391387 5940488119 7090260013 7905058993 8680721959 9210481579 9389803801 9435070411 10114235677 10993155433 11784476431 12114853723 12495093247 14115471769 14558503141 16121340781 17438207059 18783580543 21885456229 22499014057 26214447571 29795991589 32385241681 34716430567 35562957703 41435739709 41583416833 49631820091 55335412951 64473371053 66045492877 76952088031 77226345547 84803976061 92173380169 98808302383 112849385467 122067449413 131485063801 153198193603 157493098399 183501132997 219798060403 226696691767 291083917831 292487182741 340787818423 347422740637 387347890657 451313597371 462318450139 538664616217 540584418829 645213661183 1003942492111 1102451688793 1198253942197 1284507930979 1538586422821 1586876842369 2047410279187 2385514728961 2857374785239 3784090931803 4516495628281 7027597444777 8387777595379 10770104959747 14331871954309 16698603102727 20001623496673 37145872208107 49193182113439 58714443167653 140011364476711 260021105456749 1820147738197243
• Sum of all divisors σ(n): 2472608335925952
• Sum of proper divisors (its aliquot sum) s(n): 652460597728709
• 1820147738197243 is a deficient number, because the sum of its proper divisors (652460597728709) is less than itself. Its deficiency is 1167687140468534

Bases of 1820147738197243

• Binary: 110011101110110101000101011010111111011110011111011₂
• Hexadecimal: 0x6776A2B5FBCFB
• Base-36: HX6SBSI0VV

Squares and roots of 1820147738197243

• 1820147738197243 squared (1820147738197243²) is 3312937788864539444611572801049
• 1820147738197243 cubed (1820147738197243³) is 6030036223189966846810538876125181831159307907
• The square root of 1820147738197243 is 42663189.4986444139
• The cube root of 1820147738197243 is 122096.2185093141

Scales and comparisons

• 1,820,147,738,197,243 seconds is equal to 57,875,067 years, 51 weeks, 2 days, 15 hours, 40 minutes, 43 seconds.
• To count from 1 to 1,820,147,738,197,243 would take you about one hundred seventy-three million, six hundred twenty-five thousand, two hundred three 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 1820147738197243 cubic inches would be around 10174.7 feet tall.

Recreational maths with 1820147738197243

• 1820147738197243 backwards is 3427918377410281
• The number of decimal digits it has is: 16
• The sum of 1820147738197243's digits is 67
• More coming soon!