8542421680

Names of 8542421680

• Cardinal: 8542421680 can be written as Eight billion, five hundred forty-two million, four hundred twenty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 8.54242168 × 10⁹

Factors of 8542421680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 873

Divisors of 8542421680

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 79 80 104 130 158 173 208 260 316 346 395 520 601 632 692 790 865 1027 1040 1202 1264 1384 1580 1730 2054 2249 2404 2768 3005 3160 3460 4108 4498 4808 5135 6010 6320 6920 7813 8216 8996 9616 10270 11245 12020 13667 13840 15626 16432 17992 20540 22490 24040 27334 31252 35984 39065 41080 44980 47479 48080 54668 62504 68335 78130 82160 89960 94958 103973 109336 125008 136670 156260 177671 179920 189916 207946 218672 237395 273340 312520 355342 379832 415892 474790 519865 546680 617227 625040 710684 759664 831784 888355 949580 1039730 1093360 1234454 1351649 1421368 1663568 1776710 1899160 2079460 2468908 2703298 2842736 3086135 3553420 3798320 4158920 4937816 5406596 6172270 6758245 7106840 8213867 8317840 9875632 10813192 12344540 13516490 14213680 16427734 21626384 24689080 27032980 32855468 41069335 49378160 54065960 65710936 82138670 106780271 108131920 131421872 164277340 213560542 328554680 427121084 533901355 657109360 854242168 1067802710 1708484336 2135605420 4271210840 8542421680
• Sum of all divisors σ(n): 21821103360
• Sum of proper divisors (its aliquot sum) s(n): 13278681680
• 8542421680 is an abundant number, because the sum of its proper divisors (13278681680) is greater than itself. Its abundance is 4736260000

Bases of 8542421680

• Binary: 111111101001010110000001010110000₂
• Hexadecimal: 0x1FD2B02B0
• Base-36: 3X9XQR4

Squares and roots of 8542421680

• 8542421680 squared (8542421680²) is 72972968158934022400
• 8542421680 cubed (8542421680³) is 623365865254827678639365632000
• The square root of 8542421680 is 92425.2220987323
• The cube root of 8542421680 is 2044.2170295861

Scales and comparisons

• 8,542,421,680 seconds is equal to 271 years, 32 weeks, 2 days, 14 hours, 54 minutes, 40 seconds.
• To count from 1 to 8,542,421,680 would take you about five 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 8542421680 cubic inches would be around 170.4 feet tall.

Recreational maths with 8542421680

• 8542421680 backwards is 0861242458
• 8542421680 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8542421680's digits is 40
• More coming soon!