72478541421

Names of 72478541421

• Cardinal: 72478541421 can be written as Seventy-two billion, four hundred seventy-eight million, five hundred forty-one thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 7.2478541421 × 10¹⁰

Factors of 72478541421

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 174

Divisors of 72478541421

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 9 11 13 17 27 29 33 39 51 87 99 101 117 143 153 169 187 221 261 297 303 319 351 377 429 459 493 507 561 663 783 841 909 957 1111 1131 1287 1313 1479 1521 1683 1717 1859 1989 2431 2523 2727 2871 2873 2929 3333 3393 3861 3939 4147 4437 4563 4901 5049 5151 5423 5577 5967 6409 7293 7569 8613 8619 8787 9251 9999 10179 10933 11817 12441 13311 14297 14443 14703 15453 16269 16731 17069 18887 19227 21879 22321 22707 25857 26361 27753 29997 31603 32219 32799 35451 37323 38077 42891 43329 44109 46359 48807 49793 50193 51207 53911 56661 57681 65637 66963 70499 77571 79083 83259 83317 84941 94809 96657 98397 111969 114231 120263 128673 129987 132327 142129 146421 149379 153621 157267 161733 169983 173043 185861 187759 200889 211497 245531 249777 249951 254823 284427 289971 290173 295191 342693 360789 386019 389961 418847 426387 448137 460863 471801 485199 495001 509949 547723 557583 563277 602667 634491 647309 736593 749853 764469 853281 869913 870519 916487 934351 1028079 1082367 1104233 1256541 1279161 1344411 1415403 1443997 1455597 1485003 1563419 1643169 1672749 1689831 1903473 1941927 2044471 2209779 2249559 2293407 2416193 2611557 2749461 2803053 3191903 3247101 3312699 3769623 3837483 4246209 4331991 4455009 4690257 4929507 5018247 5069493 5445011 5825781 6133413 6629337 7120399 7248579 7834671 8248383 8409159 8415017 9575709 9938097 11308869 12146563 12995973 13365027 14070771 14355029 14788521 15883967 16335033 17477343 18400239 18771961 21361197 21745737 24745149 25227477 25245051 26578123 28727127 29814291 36439689 38987919 42212313 43065087 47651901 49005099 55200717 56315883 64083591 65237211 75735153 79734369 86181381 92565187 109319067 129195261 142955703 147015297 157905319 168947649 192250773 206491571 227205459 239203107 244035493 277695561 327957201 387585783 428867109 473715957 506842947 619474713 717609321 732106479 833086683 1421147871 1858424139 2196319437 2499260049 2684390423 4263443613 5575272417 6588958311 8053171269 24159513807 72478541421
• Sum of all divisors σ(n): 140469863040
• Sum of proper divisors (its aliquot sum) s(n): 67991321619
• 72478541421 is a deficient number, because the sum of its proper divisors (67991321619) is less than itself. Its deficiency is 4487219802

Bases of 72478541421

• Binary: 1000011100000000011101100011001101101₂
• Hexadecimal: 0x10E00EC66D
• Base-36: XANUOH9

Squares and roots of 72478541421

• 72478541421 squared (72478541421²) is 5253138966515612699241
• 72478541421 cubed (72478541421³) is 380739850174870967065132433761461
• The square root of 72478541421 is 269218.3898269209
• The cube root of 72478541421 is 4169.3640265041

Scales and comparisons

• 72,478,541,421 seconds is equal to 2,304 years, 30 weeks, 6 days, 10 minutes, 21 seconds.
• To count from 1 to 72,478,541,421 would take you about four thousand, six hundred nine 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 72478541421 cubic inches would be around 347.4 feet tall.

Recreational maths with 72478541421

• 72478541421 backwards is 12414587427
• The number of decimal digits it has is: 11
• The sum of 72478541421's digits is 45
• More coming soon!