6639243520

Names of 6639243520

• Cardinal: 6639243520 can be written as Six billion, six hundred thirty-nine million, two hundred forty-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 6.63924352 × 10⁹

Factors of 6639243520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 57026

Divisors of 6639243520

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 128 130 140 160 182 208 224 256 260 280 320 364 416 448 455 520 560 640 728 832 896 910 1040 1120 1280 1456 1664 1792 1820 2080 2240 2912 3328 3640 4160 4480 5824 7280 8320 8960 11648 14560 16640 23296 29120 56999 58240 113998 116480 227996 284995 398993 455992 569990 740987 797986 911984 1139980 1481974 1595972 1823968 1994965 2279960 2963948 3191944 3647936 3704935 3989930 4559920 5186909 5927896 6383888 7295872 7409870 7979860 9119840 10373818 11855792 12767776 14591744 14819740 15959720 18239680 20747636 23711584 25535552 25934545 29639480 31919440 36479360 41495272 47423168 51071104 51869090 59278960 63838880 72958720 82990544 94846336 102142208 103738180 118557920 127677760 165981088 189692672 207476360 237115840 255355520 331962176 414952720 474231680 510711040 663924352 829905440 948463360 1327848704 1659810880 3319621760 6639243520
• Sum of all divisors σ(n): 19573344000
• Sum of proper divisors (its aliquot sum) s(n): 12934100480
• 6639243520 is an abundant number, because the sum of its proper divisors (12934100480) is greater than itself. Its abundance is 6294856960

Bases of 6639243520

• Binary: 110001011101110101101000100000000₂
• Hexadecimal: 0x18BBAD100
• Base-36: 31SU134

Squares and roots of 6639243520

• 6639243520 squared (6639243520²) is 44079554517861990400
• 6639243520 cubed (6639243520³) is 292654896697201944017502208000
• The square root of 6639243520 is 81481.5532498001
• The cube root of 6639243520 is 1879.4878943179

Scales and comparisons

• 6,639,243,520 seconds is equal to 211 years, 5 weeks, 4 days, 2 hours, 18 minutes, 40 seconds.
• To count from 1 to 6,639,243,520 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 6639243520 cubic inches would be around 156.6 feet tall.

Recreational maths with 6639243520

• 6639243520 backwards is 0253429366
• 6639243520 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6639243520's digits is 40
• More coming soon!