180831357728

Names of 180831357728

• Cardinal: 180831357728 can be written as One hundred eighty billion, eight hundred thirty-one million, three hundred fifty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.80831357728 × 10¹¹

Factors of 180831357728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10748

Divisors of 180831357728

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 10739 21478 42956 75173 85912 150346 171824 300692 343648 526211 601384 1052422 1202768 2104844 2405536 4209688 8419376 16838752 115326121 230652242 461304484 807282847 922608968 1614565694 1845217936 3229131388 3690435872 5650979929 6458262776 11301959858 12916525552 22603919716 25833051104 45207839432 90415678864 180831357728
• Sum of all divisors σ(n): 414174667851
• Sum of proper divisors (its aliquot sum) s(n): 233343310123
• 180831357728 is an abundant number, because the sum of its proper divisors (233343310123) is greater than itself. Its abundance is 52511952395

Bases of 180831357728

• Binary: 10101000011010011000111000101100100000₂
• Hexadecimal: 0x2A1A638B20
• Base-36: 2B2MBKM8

Squares and roots of 180831357728

• 180831357728 squared (180831357728²) is 32699979937751905321984
• 180831357728 cubed (180831357728³) is 5913181769822037963393275726692352
• The square root of 180831357728 is 425242.7044970907
• The cube root of 180831357728 is 5654.8954644763

Scales and comparisons

• 180,831,357,728 seconds is equal to 5,749 years, 45 weeks, 4 days, 12 hours, 42 minutes, 8 seconds.
• To count from 1 to 180,831,357,728 would take you about eleven thousand, four hundred ninety-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 180831357728 cubic inches would be around 471.2 feet tall.

Recreational maths with 180831357728

• 180831357728 backwards is 827753138081
• The number of decimal digits it has is: 12
• The sum of 180831357728's digits is 53
• More coming soon!