6445824128

Names of 6445824128

• Cardinal: 6445824128 can be written as Six billion, four hundred forty-five million, eight hundred twenty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 6.445824128 × 10⁹

Factors of 6445824128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4805

Divisors of 6445824128

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 32 61 64 122 128 181 244 362 488 724 976 1448 1952 2896 3904 4561 5792 7808 9122 11041 11584 18244 22082 23168 36488 44164 72976 88328 145952 176656 278221 291904 353312 556442 583808 706624 825541 1112884 1413248 1651082 2225768 3302164 4451536 6604328 8903072 13208656 17806144 26417312 35612288 50358001 52834624 100716002 105669248 201432004 402864008 805728016 1611456032 3222912064 6445824128
• Sum of all divisors σ(n): 13126790040
• Sum of proper divisors (its aliquot sum) s(n): 6680965912
• 6445824128 is an abundant number, because the sum of its proper divisors (6680965912) is greater than itself. Its abundance is 235141784

Bases of 6445824128

• Binary: 110000000001100110111100010000000₂
• Hexadecimal: 0x180337880
• Base-36: 2YLODQ8

Squares and roots of 6445824128

• 6445824128 squared (6445824128²) is 41548648689106960384
• 6445824128 cubed (6445824128³) is 267815282206041216015927345152
• The square root of 6445824128 is 80285.8899682877
• The cube root of 6445824128 is 1861.0561820459

Scales and comparisons

• 6,445,824,128 seconds is equal to 204 years, 49 weeks, 5 days, 10 hours, 42 minutes, 8 seconds.
• To count from 1 to 6,445,824,128 would take you about four hundred nine 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 6445824128 cubic inches would be around 155.1 feet tall.

Recreational maths with 6445824128

• 6445824128 backwards is 8214285446
• The number of decimal digits it has is: 10
• The sum of 6445824128's digits is 44
• More coming soon!