138672937305

Names of 138672937305

• Cardinal: 138672937305 can be written as One hundred thirty-eight billion, six hundred seventy-two million, nine hundred thirty-seven thousand, three hundred five.

Scientific notation

• Scientific notation: 1.38672937305 × 10¹¹

Factors of 138672937305

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 621

Divisors of 138672937305

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 105 135 147 189 239 245 315 367 441 717 735 945 1101 1195 1323 1673 1835 2151 2205 2569 3303 3585 5019 5505 6453 6615 7707 8365 9909 10755 11711 12845 15057 16515 17983 23121 25095 32265 35133 38535 45171 49545 53949 57121 58555 69363 75285 87713 89915 105399 115605 161847 171363 175665 225855 263139 269745 285605 316197 346815 399847 438565 485541 514089 526995 613991 789417 809235 856815 1199541 1315695 1542267 1580985 1841973 1999235 2368251 2427705 2570445 2798929 3069955 3598623 3947085 4297937 5525919 5997705 7711335 8396787 9209865 10795869 11841255 12893811 13994645 16577757 17993115 20963407 21489685 25190361 27629595 38681433 41983935 53979345 62890221 64469055 75571083 82888785 104817035 116044299 125951805 146743849 188670663 193407165 314451105 377855415 440231547 566011989 580221495 733719245 943353315 1027206943 1320694641 2201157735 2830059945 3081620829 3962083923 5136034715 6603473205 9244862487 15408104145 19810419615 27734587461 46224312435 138672937305
• Sum of all divisors σ(n): 288769040640
• Sum of proper divisors (its aliquot sum) s(n): 150096103335
• 138672937305 is an abundant number, because the sum of its proper divisors (150096103335) is greater than itself. Its abundance is 11423166030

Bases of 138672937305

• Binary: 10000001001001100011010001100101011001₂
• Hexadecimal: 0x20498D1959
• Base-36: 1RPEAB89

Squares and roots of 138672937305

• 138672937305 squared (138672937305²) is 19230183540796460663025
• 138672937305 cubed (138672937305³) is 2666706036516510499289564556647625
• The square root of 138672937305 is 372388.1540879085
• The cube root of 138672937305 is 5176.0354038307

Scales and comparisons

• 138,672,937,305 seconds is equal to 4,409 years, 19 weeks, 1 day, 20 hours, 21 minutes, 45 seconds.
• To count from 1 to 138,672,937,305 would take you about eight thousand, eight hundred eighteen 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 138672937305 cubic inches would be around 431.3 feet tall.

Recreational maths with 138672937305

• 138672937305 backwards is 503739276831
• The number of decimal digits it has is: 12
• The sum of 138672937305's digits is 54
• More coming soon!