642332768798828125

Names of 642332768798828125

• Cardinal: 642332768798828125 can be written as Six hundred forty-two quadrillion, three hundred thirty-two trillion, seven hundred sixty-eight billion, seven hundred ninety-eight million, eight hundred twenty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 6.42332768798828125 × 10¹⁷

Factors of 642332768798828125

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 131

Divisors of 642332768798828125

• Number of divisors d(n): 182
• Complete list of divisors:
  1 5 17 25 85 109 125 289 425 545 625 1445 1853 2125 2725 3125 4913 7225 9265 10625 13625 15625 24565 31501 36125 46325 53125 68125 78125 83521 122825 157505 180625 231625 265625 340625 390625 417605 535517 614125 787525 903125 1158125 1328125 1419857 1703125 1953125 2088025 2677585 3070625 3937625 4515625 5790625 6640625 7099285 8515625 9103789 9765625 10440125 13387925 15353125 19688125 22578125 24137569 28953125 33203125 35496425 42578125 45518945 48828125 52200625 66939625 76765625 98440625 112890625 120687845 144765625 154764413 166015625 177482125 212890625 227594725 244140625 261003125 334698125 383828125 492203125 564453125 603439225 723828125 773822065 830078125 887410625 1064453125 1137973625 1305015625 1673490625 1919140625 2461015625 2630995021 2822265625 3017196125 3619140625 3869110325 4150390625 4437053125 5322265625 5689868125 6525078125 8367453125 9595703125 12305078125 13154975105 14111328125 15085980625 18095703125 19345551625 22185265625 26611328125 28449340625 32625390625 41837265625 47978515625 61525390625 65774875525 70556640625 75429903125 90478515625 96727758125 110926328125 142246703125 163126953125 209186328125 239892578125 307626953125 328874377625 377149515625 452392578125 483638790625 554631640625 711233515625 815634765625 1045931640625 1199462890625 1538134765625 1644371888125 1885747578125 2418193953125 2773158203125 3556167578125 4078173828125 5229658203125 7690673828125 8221859440625 9428737890625 12090969765625 13865791015625 17780837890625 20390869140625 26148291015625 41109297203125 47143689453125 60454848828125 69328955078125 88904189453125 130741455078125 205546486015625 235718447265625 302274244140625 346644775390625 444520947265625 1027732430078125 1178592236328125 1511371220703125 2222604736328125 5138662150390625 5892961181640625 7556856103515625 25693310751953125 37784280517578125 128466553759765625 642332768798828125
• Sum of all divisors σ(n): 860924794826956970
• Sum of proper divisors (its aliquot sum) s(n): 218592026028128845
• 642332768798828125 is a deficient number, because the sum of its proper divisors (218592026028128845) is less than itself. Its deficiency is 423740742770699280

Bases of 642332768798828125

• Binary: 100011101010000001100011111111111111110110001110011001011101₂
• Hexadecimal: 0x8EA063FFFD8E65D
• Base-36: 4VONYOB674V1

Squares and roots of 642332768798828125

• 642332768798828125 squared (642332768798828125²) is 412591385872768786013126373291015625
• 642332768798828125 cubed (642332768798828125³) is 265020967270201273311706525579211302101612091064453125
• The square root of 642332768798828125 is 801456654.3480864537
• The cube root of 642332768798828125 is 862819.6476994499

Scales and comparisons

• 642,332,768,798,828,125 seconds is equal to 20,424,195,182 years, 4 weeks, 6 days, 17 hours, 35 minutes, 25 seconds.
• To count from 1 to 642,332,768,798,828,125 would take you about sixty-one billion, two hundred seventy-two million, five hundred eighty-five thousand, five hundred forty-six 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 642332768798828125 cubic inches would be around 71901.6 feet tall.

Recreational maths with 642332768798828125

• 642332768798828125 backwards is 521828897867233246
• The number of decimal digits it has is: 18
• The sum of 642332768798828125's digits is 91
• More coming soon!