139542438672

Names of 139542438672

• Cardinal: 139542438672 can be written as One hundred thirty-nine billion, five hundred forty-two million, four hundred thirty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.39542438672 × 10¹¹

Factors of 139542438672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10648868

Divisors of 139542438672

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 1008 1092 1456 1638 1872 2184 3276 4368 6552 13104 10648843 21297686 31946529 42595372 63893058 74541901 85190744 95839587 127786116 138434959 149083802 170381488 191679174 223625703 255572232 276869918 298167604 383358348 415304877 447251406 511144464 553739836 596335208 670877109 766716696 830609754 894502812 969044713 1107479672 1192670416 1245914631 1341754218 1533433392 1661219508 1789005624 1938089426 2214959344 2491829262 2683508436 2907134139 3322439016 3578011248 3876178852 4983658524 5367016872 5814268278 6644878032 7752357704 8721402417 9967317048 10734033744 11628536556 15504715408 17442804834 19934634096 23257073112 34885609668 46514146224 69771219336 139542438672
• Sum of all divisors σ(n): 480646222784
• Sum of proper divisors (its aliquot sum) s(n): 341103784112
• 139542438672 is an abundant number, because the sum of its proper divisors (341103784112) is greater than itself. Its abundance is 201561345440

Bases of 139542438672

• Binary: 10000001111101011000001010001100010000₂
• Hexadecimal: 0x207D60A310
• Base-36: 1S3RYQS0

Squares and roots of 139542438672

• 139542438672 squared (139542438672²) is 19472092190528881123584
• 139542438672 cubed (139542438672³) is 2717183230312406533432498772840448
• The square root of 139542438672 is 373553.7962221773
• The cube root of 139542438672 is 5186.8310600157

Scales and comparisons

• 139,542,438,672 seconds is equal to 4,437 years, 6 days, 12 hours, 31 minutes, 12 seconds.
• To count from 1 to 139,542,438,672 would take you about eight thousand, eight hundred seventy-four 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 139542438672 cubic inches would be around 432.2 feet tall.

Recreational maths with 139542438672

• 139542438672 backwards is 276834245931
• The number of decimal digits it has is: 12
• The sum of 139542438672's digits is 54
• More coming soon!