389379681680

Names of 389379681680

• Cardinal: 389379681680 can be written as Three hundred eighty-nine billion, three hundred seventy-nine million, six hundred eighty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 3.8937968168 × 10¹¹

Factors of 389379681680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6604218

Divisors of 389379681680

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 44 55 67 80 88 110 134 176 220 268 335 440 536 670 737 880 1072 1340 1474 2680 2948 3685 5360 5896 7370 11792 14740 29480 58960 6604133 13208266 26416532 33020665 52833064 66041330 72645463 105666128 132082660 145290926 264165320 290581852 363227315 442476911 528330640 581163704 726454630 884953822 1162327408 1452909260 1769907644 2212384555 2905818520 3539815288 4424769110 4867246021 5811637040 7079630576 8849538220 9734492042 17699076440 19468984084 24336230105 35398152880 38937968168 48672460210 77875936336 97344920420 194689840840 389379681680
• Sum of all divisors σ(n): 1002349041984
• Sum of proper divisors (its aliquot sum) s(n): 612969360304
• 389379681680 is an abundant number, because the sum of its proper divisors (612969360304) is greater than itself. Its abundance is 223589678624

Bases of 389379681680

• Binary: 101101010101000110101100110110110010000₂
• Hexadecimal: 0x5AA8D66D90
• Base-36: 4YVMLX8W

Squares and roots of 389379681680

• 389379681680 squared (389379681680²) is 151616536505218127622400
• 389379681680 cubed (389379681680³) is 59036398721825934192575727237632000
• The square root of 389379681680 is 624002.9500571291
• The cube root of 389379681680 is 7302.2678990969

Scales and comparisons

• 389,379,681,680 seconds is equal to 12,381 years, 3 weeks, 4 days, 6 hours, 41 minutes, 20 seconds.
• To count from 1 to 389,379,681,680 would take you about twenty-four thousand, seven hundred sixty-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 389379681680 cubic inches would be around 608.5 feet tall.

Recreational maths with 389379681680

• 389379681680 backwards is 086186973983
• The number of decimal digits it has is: 12
• The sum of 389379681680's digits is 68
• More coming soon!