40242706128

Names of 40242706128

• Cardinal: 40242706128 can be written as Forty billion, two hundred forty-two million, seven hundred six thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0242706128 × 10¹⁰

Factors of 40242706128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 41323

Divisors of 40242706128

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 8521 17042 25563 32797 34084 51126 65594 68168 76689 98391 102252 131188 136336 153378 196782 204504 262376 295173 306756 393564 409008 524752 590346 613512 787128 1180692 1227024 1574256 2361384 4722768 279463237 558926474 838389711 1117852948 1676779422 2235705896 2515169133 3353558844 4471411792 5030338266 6707117688 10060676532 13414235376 20121353064 40242706128
• Sum of all divisors σ(n): 112640336068
• Sum of proper divisors (its aliquot sum) s(n): 72397629940
• 40242706128 is an abundant number, because the sum of its proper divisors (72397629940) is greater than itself. Its abundance is 32154923812

Bases of 40242706128

• Binary: 100101011110101001101111011011010000₂
• Hexadecimal: 0x95EA6F6D0
• Base-36: IHJGUS0

Squares and roots of 40242706128

• 40242706128 squared (40242706128²) is 1619475396504568752384
• 40242706128 cubed (40242706128³) is 65172072463059638711560911409152
• The square root of 40242706128 is 200605.8476914369
• The cube root of 40242706128 is 3426.8549776317

Scales and comparisons

• 40,242,706,128 seconds is equal to 1,279 years, 30 weeks, 6 days, 1 hour, 28 minutes, 48 seconds.
• To count from 1 to 40,242,706,128 would take you about two thousand, five hundred fifty-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 40242706128 cubic inches would be around 285.6 feet tall.

Recreational maths with 40242706128

• 40242706128 backwards is 82160724204
• 40242706128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40242706128's digits is 36
• More coming soon!