19404039402

Names of 19404039402

• Cardinal: 19404039402 can be written as Nineteen billion, four hundred four million, thirty-nine thousand, four hundred two.

Scientific notation

• Scientific notation: 1.9404039402 × 10¹⁰

Factors of 19404039402

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 117

Divisors of 19404039402

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 101 121 162 198 202 242 243 297 303 363 486 594 606 726 729 891 909 1089 1111 1331 1458 1782 1818 2178 2187 2222 2662 2673 2727 3267 3333 3993 4374 5346 5454 6534 6561 6666 7986 8019 8181 9801 9999 11979 12221 13122 14641 16038 16362 19602 19998 23958 24057 24442 24543 29282 29403 29997 35937 36663 43923 48114 49086 58806 59994 71874 72171 73326 73629 87846 88209 89991 107811 109989 131769 134431 144342 147258 176418 179982 215622 219978 220887 263538 264627 268862 269973 323433 329967 395307 403293 441774 529254 539946 646866 659934 662661 790614 793881 806586 809919 970299 989901 1185921 1209879 1325322 1478741 1587762 1619838 1940598 1979802 2371842 2419758 2429757 2910897 2957482 2969703 3557763 3629637 4436223 4859514 5821794 5939406 7115526 7259274 7289271 8732691 8872446 8909109 10673289 10888911 13308669 14578542 17465382 17818218 21346578 21777822 26617338 26727327 32019867 32666733 39926007 53454654 64039734 65333466 79852014 80181981 96059601 98000199 119778021 160363962 192119202 196000398 239556042 294000597 359334063 588001194 718668126 882001791 1078002189 1764003582 2156004378 3234006567 6468013134 9702019701 19404039402
• Sum of all divisors σ(n): 48497727330
• Sum of proper divisors (its aliquot sum) s(n): 29093687928
• 19404039402 is an abundant number, because the sum of its proper divisors (29093687928) is greater than itself. Its abundance is 9689648526

Bases of 19404039402

• Binary: 10010000100100100100010010011101010₂
• Hexadecimal: 0x4849224EA
• Base-36: 8WWNWMI

Squares and roots of 19404039402

• 19404039402 squared (19404039402²) is 376516745114368517604
• 19404039402 cubed (19404039402³) is 7305945757711997711936346632808
• The square root of 19404039402 is 139298.3826252121
• The cube root of 19404039402 is 2687.1838616615

Scales and comparisons

• 19,404,039,402 seconds is equal to 616 years, 51 weeks, 2 days, 18 hours, 56 minutes, 42 seconds.
• To count from 1 to 19,404,039,402 would take you about one thousand, two hundred thirty-three 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 19404039402 cubic inches would be around 223.9 feet tall.

Recreational maths with 19404039402

• 19404039402 backwards is 20493040491
• The number of decimal digits it has is: 11
• The sum of 19404039402's digits is 36
• More coming soon!