28342848640

Names of 28342848640

• Cardinal: 28342848640 can be written as Twenty-eight billion, three hundred forty-two million, eight hundred forty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.834284864 × 10¹⁰

Factors of 28342848640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1428609

Divisors of 28342848640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 310 320 496 620 640 992 1240 1984 2480 3968 4960 9920 19840 1428571 2857142 5714284 7142855 11428568 14285710 22857136 28571420 44285701 45714272 57142840 88571402 91428544 114285680 177142804 182857088 221428505 228571360 354285608 442857010 457142720 708571216 885714020 914285440 1417142432 1771428040 2834284864 3542856080 5668569728 7085712160 14171424320 28342848640
• Sum of all divisors σ(n): 69942885120
• Sum of proper divisors (its aliquot sum) s(n): 41600036480
• 28342848640 is an abundant number, because the sum of its proper divisors (41600036480) is greater than itself. Its abundance is 13257187840

Bases of 28342848640

• Binary: 11010011001010111011000110010000000₂
• Hexadecimal: 0x6995D8C80
• Base-36: D0QLLZ4

Squares and roots of 28342848640

• 28342848640 squared (28342848640²) is 803317069029949849600
• 28342848640 cubed (28342848640³) is 22768294097444300214003564544000
• The square root of 28342848640 is 168353.3446059209
• The cube root of 28342848640 is 3048.9326603031

Scales and comparisons

• 28,342,848,640 seconds is equal to 901 years, 11 weeks, 1 day, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 28,342,848,640 would take you about one thousand, eight hundred 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 28342848640 cubic inches would be around 254.1 feet tall.

Recreational maths with 28342848640

• 28342848640 backwards is 04684824382
• The number of decimal digits it has is: 11
• The sum of 28342848640's digits is 49
• More coming soon!