66440643464728224

Names of 66440643464728224

• Cardinal: 66440643464728224 can be written as Sixty-six quadrillion, four hundred forty trillion, six hundred forty-three billion, four hundred sixty-four million, seven hundred twenty-eight thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 6.6440643464728224 × 10¹⁶

Factors of 66440643464728224

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2279670

Divisors of 66440643464728224

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 73 96 108 144 146 216 219 288 292 432 438 584 657 864 876 1168 1314 1752 1971 2336 2628 3504 3942 5256 7008 7884 10512 15768 21024 31536 63072 644089 1288178 1635503 1932267 2576356 3271006 3864534 4906509 5152712 5796801 6542012 7729068 9813018 10305424 11593602 13084024 14719527 15458136 17390403 19626036 20610848 23187204 26168048 29439054 30916272 34780806 39252072 44158581 46374408 47018497 52336096 58878108 61832544 69561612 78504144 88317162 92748816 94036994 117756216 119391719 139123224 141055491 157008288 176634324 185497632 188073988 235512432 238783438 278246448 282110982 353268648 358175157 376147976 423166473 471024864 477566876 556492896 564221964 706537296 716350314 752295952 846332946 955133752 1074525471 1128443928 1269499419 1413074592 1432700628 1504591904 1692665892 1910267504 2149050942 2256887856 2538998838 2865401256 3223576413 3385331784 3820535008 4298101884 4513775712 5077997676 5730802512 6447152826 6770663568 8596203768 10155995352 11461605024 12894305652 13541327136 17192407536 20311990704 25788611304 34384815072 40623981408 51577222608 103154445216 1053409491767 2106818983534 3160228475301 4213637967068 6320456950602 8427275934136 9480685425903 12640913901204 16854551868272 18961370851806 25281827802408 28442056277709 33709103736544 37922741703612 50563655604816 56884112555418 75845483407224 76898892898991 101127311209632 113768225110836 151690966814448 153797785797982 227536450221672 230696678696973 303381933628896 307595571595964 455072900443344 461393357393946 615191143191928 692090036090919 910145800886688 922786714787892 1230382286383856 1384180072181838 1845573429575784 2076270108272757 2460764572767712 2768360144363676 3691146859151568 4152540216545514 5536720288727352 7382293718303136 8305080433091028 11073440577454704 16610160866182056 22146881154909408 33220321732364112 66440643464728224
• Sum of all divisors σ(n): 196440227123212800
• Sum of proper divisors (its aliquot sum) s(n): 129999583658484576
• 66440643464728224 is an abundant number, because the sum of its proper divisors (129999583658484576) is greater than itself. Its abundance is 63558940193756352

Bases of 66440643464728224

• Binary: 11101100000010110110100111001000010111010000111010100000₂
• Hexadecimal: 0xEC0B69C85D0EA0
• Base-36: I678Q8OBJC0

Squares and roots of 66440643464728224

• 66440643464728224 squared (66440643464728224²) is 4414359104007133261588386182194176
• 66440643464728224 cubed (66440643464728224³) is 293292859354615076990085903266594333772407835623424
• The square root of 66440643464728224 is 257760826.0863706651
• The cube root of 66440643464728224 is 405021.3746067505

Scales and comparisons

• 66,440,643,464,728,224 seconds is equal to 2,112,606,947 years, 40 weeks, 1 day, 21 hours, 50 minutes, 24 seconds.
• To count from 1 to 66,440,643,464,728,224 would take you about six billion, three hundred thirty-seven million, eight hundred twenty thousand, eight hundred forty-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 66440643464728224 cubic inches would be around 33751.8 feet tall.

Recreational maths with 66440643464728224

• 66440643464728224 backwards is 42282746434604466
• 66440643464728224 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 66440643464728224's digits is 72
• More coming soon!