6639008994

Names of 6639008994

• Cardinal: 6639008994 can be written as Six billion, six hundred thirty-nine million, eight thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 6.639008994 × 10⁹

Factors of 6639008994

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 657

Divisors of 6639008994

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 9 18 19 27 38 43 54 57 81 86 103 114 129 162 171 206 258 309 342 387 487 513 618 774 817 927 974 1026 1161 1461 1539 1634 1854 1957 2322 2451 2781 2922 3078 3483 3914 4383 4429 4902 5562 5871 6966 7353 8343 8766 8858 9253 11742 13149 13287 14706 16686 17613 18506 20941 22059 26298 26574 27759 35226 39447 39861 41882 44118 50161 52839 55518 62823 66177 78894 79722 83277 84151 100322 105678 119583 125646 132354 150483 158517 166554 168302 188469 239166 249831 252453 300966 317034 358749 376938 397879 451449 499662 504906 565407 717498 749493 757359 795758 902898 953059 1130814 1193637 1354347 1498986 1514718 1696221 1906118 2156923 2272077 2387274 2708694 2859177 3392442 3580911 4063041 4313846 4544154 5718354 6470769 6816231 7161822 8126082 8577531 10742733 12941538 13632462 17155062 19412307 21485466 25732593 32228199 38824614 40981537 51465186 58236921 64456398 77197779 81963074 116473842 122944611 154395558 174710763 245889222 349421526 368833833 737667666 1106501499 2213002998 3319504497 6639008994
• Sum of all divisors σ(n): 16212218880
• Sum of proper divisors (its aliquot sum) s(n): 9573209886
• 6639008994 is an abundant number, because the sum of its proper divisors (9573209886) is greater than itself. Its abundance is 2934200892

Bases of 6639008994

• Binary: 110001011101101110011110011100010₂
• Hexadecimal: 0x18BB73CE2
• Base-36: 31SP04I

Squares and roots of 6639008994

• 6639008994 squared (6639008994²) is 44076440422412892036
• 6639008994 cubed (6639008994³) is 292623884387904349408554971784
• The square root of 6639008994 is 81480.1141015401
• The cube root of 6639008994 is 1879.4657635853

Scales and comparisons

• 6,639,008,994 seconds is equal to 211 years, 5 weeks, 1 day, 9 hours, 9 minutes, 54 seconds.
• To count from 1 to 6,639,008,994 would take you about four hundred twenty-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 6639008994 cubic inches would be around 156.6 feet tall.

Recreational maths with 6639008994

• 6639008994 backwards is 4998009366
• 6639008994 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6639008994's digits is 54
• More coming soon!