1821120409050813

Names of 1821120409050813

• Cardinal: 1821120409050813 can be written as One quadrillion, eight hundred twenty-one trillion, one hundred twenty billion, four hundred nine million, fifty thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 1.821120409050813 × 10¹⁵

Factors of 1821120409050813

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 988

Divisors of 1821120409050813

• Number of divisors d(n): 198
• Complete list of divisors:
  1 3 9 13 27 39 53 81 117 159 243 351 477 689 729 919 1053 1431 2067 2187 2757 2809 3159 4293 6201 6561 8271 8427 9477 11947 12879 18603 19683 24813 25281 28431 35841 36517 38637 48707 55809 59049 74439 75843 85293 107523 109551 115911 146121 167427 223317 227529 255879 322569 328653 347733 438363 502281 633191 669951 682587 767637 844561 967707 985959 1043199 1315089 1506843 1899573 2009853 2047761 2533683 2581471 2903121 2957877 3129597 3945267 4520529 5698719 6029559 6143283 7601049 7744413 8709363 8873631 10979293 11835801 13561587 17096157 18088677 18429849 22803147 23233239 26128089 26620893 32937879 33559123 35507403 40684761 44761733 51288471 54266031 55289547 68409441 69699717 78384267 79862679 98813637 100677369 106522209 134285199 153865413 165868641 205228323 209099151 235152801 239588037 296440911 302032107 319566627 402855597 461596239 581902529 615684969 627297453 705458403 718764111 889322733 906096321 958699881 1208566791 1384788717 1745707587 1847054907 1881892359 2156292333 2372371849 2667968199 2718288963 2876099643 3625700373 4154366151 5237122761 5541164721 5645677077 7117115547 8003904597 8154866889 10877101119 12463098453 15711368283 16623494163 16937031231 21351346641 24011713791 24464600667 30840834037 32631303357 37389295359 47134104849 49870482489 50811093693 64054039923 72035141373 73393802001 92522502111 97893910071 141402314547 152433281079 192162119769 216105424119 220181406003 277567506333 293681730213 424206943641 576486359307 648316272357 660544218009 832702518999 881045190639 1272620830923 1729459077921 1981632654027 2498107556997 2643135571917 3817862492769 5188377233763 7494322670991 11453587478307 15565131701289 22482968012973 34360762434921 46695395103867 67448904038919 140086185311601 202346712116757 607040136350271 1821120409050813
• Sum of all divisors σ(n): 3001612261186266
• Sum of proper divisors (its aliquot sum) s(n): 1180491852135453
• 1821120409050813 is a deficient number, because the sum of its proper divisors (1180491852135453) is less than itself. Its deficiency is 640628556915360

Bases of 1821120409050813

• Binary: 110011110000100110010100011000100110001111010111101₂
• Hexadecimal: 0x6784CA3131EBD
• Base-36: HXJ75ZM2T9

Squares and roots of 1821120409050813

• 1821120409050813 squared (1821120409050813²) is 3316479544261400463687615960969
• 1821120409050813 cubed (1821120409050813³) is 6039708584253975490426135368836152146145717797
• The square root of 1821120409050813 is 42674587.3916879599
• The cube root of 1821120409050813 is 122117.9636827411

Scales and comparisons

• 1,821,120,409,050,813 seconds is equal to 57,905,995 years, 47 weeks, 3 days, 3 hours, 53 minutes, 33 seconds.
• To count from 1 to 1,821,120,409,050,813 would take you about one hundred seventy-three million, seven hundred seventeen thousand, nine hundred eighty-seven 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 1821120409050813 cubic inches would be around 10176.5 feet tall.

Recreational maths with 1821120409050813

• 1821120409050813 backwards is 3180509040211281
• The number of decimal digits it has is: 16
• The sum of 1821120409050813's digits is 45
• More coming soon!