72970871156326521

Names of 72970871156326521

• Cardinal: 72970871156326521 can be written as Seventy-two quadrillion, nine hundred seventy trillion, eight hundred seventy-one billion, one hundred fifty-six million, three hundred twenty-six thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 7.2970871156326521 × 10¹⁶

Factors of 72970871156326521

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10132

Divisors of 72970871156326521

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 441 443 567 1323 1329 3101 3969 3987 9303 9679 11961 21707 27909 29037 35883 65121 67753 83727 87111 195363 196249 203259 251181 261333 474271 586089 588747 609777 783999 1373743 1422813 1758267 1766241 1829331 4121229 4268439 4287797 5298723 5487993 9616201 12363687 12805317 12863391 15896169 28848603 30014579 37091061 38415951 38590173 86545809 90043737 93683041 111273183 115770519 210102053 259637427 270131211 281049123 347311557 630306159 655781287 778912281 810393633 843147369 1890918477 1899494071 1967343861 2431180899 2529442107 4590469009 5672755431 5698482213 5902031583 7588326321 13296458497 13771407027 17018266293 17095446639 17706094749 39889375491 41314221081 41501587163 51286339917 53118284247 93075209479 119668126473 123942663243 124504761489 153859019751 279225628437 290511110141 359004379419 371827989729 373514284467 837676885311 871533330423 1077013138257 1120542853401 2033577770987 2513030655933 2614599991269 3361628560203 6100733312961 7539091967799 7843799973807 18302199938883 18385203113209 23531399921421 54906599816649 55155609339627 128696421792463 164719799449947 165466828018881 386089265377389 496400484056643 900874952547241 1158267796132167 1489201452169929 2702624857641723 3474803388396501 8107874572925169 10424410165189503 24323623718775507 72970871156326521
• Sum of all divisors σ(n): 127102760257290741
• Sum of proper divisors (its aliquot sum) s(n): 54131889100964220
• 72970871156326521 is a deficient number, because the sum of its proper divisors (54131889100964220) is less than itself. Its deficiency is 18838982055362301

Bases of 72970871156326521

• Binary: 100000011001111101001111011100110001110010100000001111001₂
• Hexadecimal: 0x1033E9EE6394079
• Base-36: JYI0JFEEYK9

Squares and roots of 72970871156326521

• 72970871156326521 squared (72970871156326521²) is 5324748037313205819977563167963441
• 72970871156326521 cubed (72970871156326521³) is 388551502970684464360783638017856334032574386718761
• 72970871156326521 is a perfect square number. Its square root is 270131211
• The cube root of 72970871156326521 is 417878.3235129841

Scales and comparisons

• 72,970,871,156,326,521 seconds is equal to 2,320,247,989 years, 2 weeks, 3 days, 55 minutes, 21 seconds.
• To count from 1 to 72,970,871,156,326,521 would take you about six billion, nine hundred sixty million, seven hundred forty-three thousand, nine hundred sixty-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 72970871156326521 cubic inches would be around 34823.2 feet tall.

Recreational maths with 72970871156326521

• 72970871156326521 backwards is 12562365117807927
• The number of decimal digits it has is: 17
• The sum of 72970871156326521's digits is 72
• More coming soon!