20480990515155

Names of 20480990515155

• Cardinal: 20480990515155 can be written as Twenty trillion, four hundred eighty billion, nine hundred ninety million, five hundred fifteen thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 2.0480990515155 × 10¹³

Factors of 20480990515155

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 128

Divisors of 20480990515155

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 9 15 23 27 45 69 81 97 115 135 207 243 291 345 405 485 529 621 729 873 1035 1215 1455 1587 1863 2187 2231 2619 2645 3105 3645 4365 4761 5589 6561 6693 7857 7935 9315 10935 11155 12167 13095 14283 16767 20079 23571 23805 27945 32805 33465 36501 39285 42849 50301 51313 60237 60835 70713 71415 83835 100395 109503 117855 128547 150903 153939 180711 182505 212139 214245 251505 256565 279841 301185 328509 353565 385641 461817 542133 547515 636417 642735 754515 769695 839523 903555 985527 1060695 1156923 1180199 1385451 1399205 1626399 1642545 1928205 2309085 2518569 2710665 2956581 3182085 3470769 3540597 4156353 4197615 4879197 4927635 5784615 5900995 6436343 6927255 7555707 8131995 8869743 10621791 12469059 12592845 14637591 14782905 17353845 17702985 19309029 20781765 22667121 24395985 26609229 27144577 31865373 32181715 37407177 37778535 44348715 53108955 57927087 62345295 68001363 73187955 79827687 81433731 95596119 96545145 112221531 113335605 133046145 135722885 159326865 173781261 187035885 204004089 244301193 286788357 289635435 336664593 340006815 399138435 407168655 477980595 521343783 561107655 612012267 624325271 732903579 860365071 868906305 1020020445 1221505965 1433941785 1564031349 1683322965 1836036801 1872975813 2198710737 2581095213 2606718915 3060061335 3121626355 3664517895 4301825355 4692094047 5618927439 6596132211 7743285639 7820156745 9180184005 9364879065 10993553685 12905476065 14076282141 16856782317 19788396633 23460470235 28094637195 32980661055 38716428195 42228846423 50570346951 59365189899 70381410705 84283911585 98941983165 151711040853 178095569697 211144232115 252851734755 296825949495 455133122559 758555204265 890477848485 1365399367677 2275665612795 4096198103031 6826996838385 20480990515155
• Sum of all divisors σ(n): 38936856827232
• Sum of proper divisors (its aliquot sum) s(n): 18455866312077
• 20480990515155 is a deficient number, because the sum of its proper divisors (18455866312077) is less than itself. Its deficiency is 2025124203078

Bases of 20480990515155

• Binary: 100101010000010011010001010100000111111010011₂
• Hexadecimal: 0x12A09A2A0FD3
• Base-36: 79CU4Y66R

Squares and roots of 20480990515155

• 20480990515155 squared (20480990515155²) is 419470972481869072284674025
• 20480990515155 cubed (20480990515155³) is 8591181008784004479668947792095997348875
• The square root of 20480990515155 is 4525592.8357680389
• The cube root of 20480990515155 is 27360.0562222917

Scales and comparisons

• 20,480,990,515,155 seconds is equal to 651,232 years, 7 weeks, 4 days, 7 hours, 59 minutes, 15 seconds.
• To count from 1 to 20,480,990,515,155 would take you about one million, six hundred twenty-eight thousand and eighty 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 20480990515155 cubic inches would be around 2280 feet tall.

Recreational maths with 20480990515155

• 20480990515155 backwards is 55151509908402
• The number of decimal digits it has is: 14
• The sum of 20480990515155's digits is 54
• More coming soon!