20404251326790

Names of 20404251326790

• Cardinal: 20404251326790 can be written as Twenty trillion, four hundred four billion, two hundred fifty-one million, three hundred twenty-six thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.040425132679 × 10¹³

Factors of 20404251326790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4876

Divisors of 20404251326790

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 61 90 122 183 305 366 549 610 915 1098 1103 1613 1830 2089 2206 2745 3226 3309 4178 4839 5490 5515 6267 6618 8065 9678 9927 10445 11030 12534 14517 16130 16545 18801 19854 20890 24195 29034 31335 33090 37602 48390 49635 62670 67283 72585 94005 98393 99270 127429 134566 145170 188010 196786 201849 254858 295179 336415 382287 403698 491965 590358 605547 637145 672830 764574 885537 983930 1009245 1146861 1211094 1274290 1475895 1771074 1779139 1911435 2018490 2293722 2304167 2951790 3027735 3369557 3558278 3822870 4427685 4608334 5337417 5734305 6055470 6739114 6912501 8855370 8895695 10108671 10674834 11468610 11520835 13825002 16012251 16847785 17791390 20217342 20737503 23041670 26687085 30326013 32024502 33695570 34562505 41475006 50543355 53374170 60652026 69125010 80061255 101086710 103687515 108527479 140554187 151630065 160122510 205542977 207375030 217054958 281108374 303260130 325582437 411085954 421662561 542637395 616628931 651164874 702770935 843325122 976747311 1027714885 1085274790 1233257862 1264987683 1405541870 1627912185 1849886793 1953494622 2055429770 2108312805 2529975366 3083144655 3255824370 3699773586 3716621371 4216625610 4883736555 6166289310 6324938415 7433242742 9249433965 9767473110 11149864113 12649876830 18498867930 18583106855 22299728226 33449592339 37166213710 55749320565 66899184678 111498641130 167247961695 226713903631 334495923390 453427807262 680141710893 1133569518155 1360283421786 2040425132679 2267139036310 3400708554465 4080850265358 6801417108930 10202125663395 20404251326790
• Sum of all divisors σ(n): 54028938712320
• Sum of proper divisors (its aliquot sum) s(n): 33624687385530
• 20404251326790 is an abundant number, because the sum of its proper divisors (33624687385530) is greater than itself. Its abundance is 13220436058740

Bases of 20404251326790

• Binary: 100101000111010111100001001101111100101000110₂
• Hexadecimal: 0x128EBC26F946
• Base-36: 78DL0F1HI

Squares and roots of 20404251326790

• 20404251326790 squared (20404251326790²) is 416333472206811475371704100
• 20404251326790 cubed (20404251326790³) is 8494972802662920635628490790848282839000
• The square root of 20404251326790 is 4517106.5215234851
• The cube root of 20404251326790 is 27325.8421176009

Scales and comparisons

• 20,404,251,326,790 seconds is equal to 648,792 years, 4 weeks, 6 hours, 46 minutes, 30 seconds.
• To count from 1 to 20,404,251,326,790 would take you about one million, six hundred twenty-one thousand, nine hundred 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 20404251326790 cubic inches would be around 2277.2 feet tall.

Recreational maths with 20404251326790

• 20404251326790 backwards is 09762315240402
• 20404251326790 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20404251326790's digits is 45
• More coming soon!