138072718256

Names of 138072718256

• Cardinal: 138072718256 can be written as One hundred thirty-eight billion, seventy-two million, seven hundred eighteen thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 1.38072718256 × 10¹¹

Factors of 138072718256

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 807

Divisors of 138072718256

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 11 16 22 37 44 74 88 148 176 296 407 592 757 814 1369 1514 1628 2738 3028 3256 5476 6056 6512 8327 10952 12112 15059 16654 21904 28009 30118 33308 56018 60236 66616 112036 120472 133232 224072 240944 308099 448144 573049 616198 1036333 1146098 1232396 2072666 2292196 2464792 4145332 4584392 4929584 6303539 8290664 9168784 11399663 12607078 16581328 21202813 22799326 25214156 42405626 45598652 50428312 84811252 91197304 100856624 169622504 182394608 233230943 339245008 466461886 784504081 932923772 1569008162 1865847544 3138016324 3731695088 6276032648 8629544891 12552065296 17259089782 34518179564 69036359128 138072718256
• Sum of all divisors σ(n): 300332879028
• Sum of proper divisors (its aliquot sum) s(n): 162260160772
• 138072718256 is an abundant number, because the sum of its proper divisors (162260160772) is greater than itself. Its abundance is 24187442516

Bases of 138072718256

• Binary: 10000000100101110001100111101110110000₂
• Hexadecimal: 0x2025C67BB0
• Base-36: 1RFGXJ8W

Squares and roots of 138072718256

• 138072718256 squared (138072718256²) is 19064075526600755681536
• 138072718256 cubed (138072718256³) is 2632228728995450972613411389321216
• The square root of 138072718256 is 371581.3750122575
• The cube root of 138072718256 is 5168.5567800333

Scales and comparisons

• 138,072,718,256 seconds is equal to 4,390 years, 14 weeks, 5 days, 20 hours, 50 minutes, 56 seconds.
• To count from 1 to 138,072,718,256 would take you about eight thousand, seven hundred eighty 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 138072718256 cubic inches would be around 430.7 feet tall.

Recreational maths with 138072718256

• 138072718256 backwards is 652817270831
• The number of decimal digits it has is: 12
• The sum of 138072718256's digits is 50
• More coming soon!