6555978720

Names of 6555978720

• Cardinal: 6555978720 can be written as Six billion, five hundred fifty-five million, nine hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.55597872 × 10⁹

Factors of 6555978720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 111094

Divisors of 6555978720

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 72 80 82 90 96 120 123 144 160 164 180 205 240 246 288 328 360 369 410 480 492 615 656 720 738 820 984 1230 1312 1440 1476 1640 1845 1968 2460 2952 3280 3690 3936 4920 5904 6560 7380 9840 11808 14760 19680 29520 59040 111043 222086 333129 444172 555215 666258 888344 999387 1110430 1332516 1665645 1776688 1998774 2220860 2665032 3331290 3553376 3997548 4441720 4552763 4996935 5330064 6662580 7995096 8883440 9105526 9993870 10660128 13325160 13658289 15990192 17766880 18211052 19987740 22763815 26650320 27316578 31980384 36422104 39975480 40974867 45527630 53300640 54633156 68291445 72844208 79950960 81949734 91055260 109266312 136582890 145688416 159901920 163899468 182110520 204874335 218532624 273165780 327798936 364221040 409748670 437065248 546331560 655597872 728442080 819497340 1092663120 1311195744 1638994680 2185326240 3277989360 6555978720
• Sum of all divisors σ(n): 22918149072
• Sum of proper divisors (its aliquot sum) s(n): 16362170352
• 6555978720 is an abundant number, because the sum of its proper divisors (16362170352) is greater than itself. Its abundance is 9806191632

Bases of 6555978720

• Binary: 110000110110001000100101111100000₂
• Hexadecimal: 0x186C44BE0
• Base-36: 30F9DK0

Squares and roots of 6555978720

• 6555978720 squared (6555978720²) is 42980856977092838400
• 6555978720 cubed (6555978720³) is 281781583709184176014798848000
• The square root of 6555978720 is 80968.9985117759
• The cube root of 6555978720 is 1871.5977384629

Scales and comparisons

• 6,555,978,720 seconds is equal to 208 years, 23 weeks, 6 days, 9 hours, 12 minutes.
• To count from 1 to 6,555,978,720 would take you about four hundred sixteen 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 6555978720 cubic inches would be around 156 feet tall.

Recreational maths with 6555978720

• 6555978720 backwards is 0278795556
• The number of decimal digits it has is: 10
• The sum of 6555978720's digits is 54
• More coming soon!