640996443907310376

Names of 640996443907310376

• Cardinal: 640996443907310376 can be written as Six hundred forty quadrillion, nine hundred ninety-six trillion, four hundred forty-three billion, nine hundred seven million, three hundred ten thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 6.40996443907310376 × 10¹⁷

Factors of 640996443907310376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 206473909

Divisors of 640996443907310376

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 972 1944 1609507 3219014 4828521 6438028 9657042 12876056 14485563 19314084 28971126 38628168 43456689 57942252 86913378 115884504 130370067 173826756 204864397 260740134 347653512 391110201 409728794 521480268 614593191 782220402 819457588 1042960536 1229186382 1564440804 1638915176 1843779573 2458372764 3128881608 3687559146 4916745528 5531338719 7375118292 11062677438 14750236584 16594016157 22125354876 33188032314 44250709752 49782048471 66376064628 99564096942 132752129256 199128193884 398256387768 329730681022279 659461362044558 989192043066837 1318922724089116 1978384086133674 2637845448178232 2967576129200511 3956768172267348 5935152258401022 7913536344534696 8902728387601533 11870304516802044 17805456775203066 23740609033604088 26708185162804599 35610913550406132 53416370325609198 71221827100812264 80124555488413797 106832740651218396 160249110976827594 213665481302436792 320498221953655188 640996443907310376
• Sum of all divisors σ(n): 1800330645729164640
• Sum of proper divisors (its aliquot sum) s(n): 1159334201821854264
• 640996443907310376 is an abundant number, because the sum of its proper divisors (1159334201821854264) is greater than itself. Its abundance is 518337757914543888

Bases of 640996443907310376

• Binary: 100011100101010001101101111010011101011000100100001100101000₂
• Hexadecimal: 0x8E546DE9D624328
• Base-36: 4VBI9X4OOAI0

Squares and roots of 640996443907310376

• 640996443907310376 squared (640996443907310376²) is 410876441101817697249197254397261376
• 640996443907310376 cubed (640996443907310376³) is 263370337631556603036818393848633977542632440428837376
• The square root of 640996443907310376 is 800622535.2232538651
• The cube root of 640996443907310376 is 862220.8885436441

Scales and comparisons

• 640,996,443,907,310,376 seconds is equal to 20,381,704,184 years, 3 weeks, 4 days, 6 hours, 39 minutes, 36 seconds.
• To count from 1 to 640,996,443,907,310,376 would take you about sixty-one billion, one hundred forty-five million, one hundred twelve thousand, five hundred fifty-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 640996443907310376 cubic inches would be around 71851.7 feet tall.

Recreational maths with 640996443907310376

• 640996443907310376 backwards is 673013709344699046
• 640996443907310376 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 640996443907310376's digits is 81
• More coming soon!