1643459384021

Names of 1643459384021

• Cardinal: 1643459384021 can be written as One trillion, six hundred forty-three billion, four hundred fifty-nine million, three hundred eighty-four thousand and twenty-one.

Scientific notation

• Scientific notation: 1.643459384021 × 10¹²

Factors of 1643459384021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10404

Divisors of 1643459384021

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 17 23 49 91 119 161 221 299 391 637 683 833 1127 1547 2093 2737 4781 5083 8879 9661 10829 11611 14651 15709 19159 33467 35581 62153 67627 81277 109963 125593 150943 164237 204217 222203 249067 267053 435071 473389 568939 769741 879151 1056601 1149659 1429519 1555421 1869371 2135081 2888639 3471689 3777451 6154057 6598463 7396207 8047613 10006633 10887947 13085597 14945567 20220473 24301823 26442157 46189241 49106863 85780019 104618969 112173871 141543311 151764649 170112761 185095099 323324687 343748041 600460133 785217097 1062352543 1458260323 1972940437 2406236287 2579999033 4203220931 5496519679 7436467801 10207822261 13810583059 18059993231 33539987429 71454755827 96674081413 126419952617 234779912003 1643459384021
• Sum of all divisors σ(n): 2278294034688
• Sum of proper divisors (its aliquot sum) s(n): 634834650667
• 1643459384021 is a deficient number, because the sum of its proper divisors (634834650667) is less than itself. Its deficiency is 1008624733354

Bases of 1643459384021

• Binary: 10111111010100101110100000001001011010101₂
• Hexadecimal: 0x17EA5D012D5
• Base-36: KYZTA8K5

Squares and roots of 1643459384021

• 1643459384021 squared (1643459384021²) is 2700958746926684750128441
• 1643459384021 cubed (1643459384021³) is 4438915998490261346293741946493041261
• The square root of 1643459384021 is 1281974.7985124357
• The cube root of 1643459384021 is 11801.0230464651

Scales and comparisons

• 1,643,459,384,021 seconds is equal to 52,256 years, 48 weeks, 15 hours, 33 minutes, 41 seconds.
• To count from 1 to 1,643,459,384,021 would take you about one hundred thirty thousand, six hundred forty-two 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 1643459384021 cubic inches would be around 983.4 feet tall.

Recreational maths with 1643459384021

• 1643459384021 backwards is 1204839543461
• The number of decimal digits it has is: 13
• The sum of 1643459384021's digits is 50
• More coming soon!