138724046967

Names of 138724046967

• Cardinal: 138724046967 can be written as One hundred thirty-eight billion, seven hundred twenty-four million, forty-six thousand, nine hundred sixty-seven.

Scientific notation

• Scientific notation: 1.38724046967 × 10¹¹

Factors of 138724046967

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1319

Divisors of 138724046967

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 11 31 33 93 121 341 363 547 727 961 1023 1641 2181 2883 3751 6017 7997 10571 11253 16957 18051 22537 23991 31713 50871 66187 67611 87967 116281 186527 198561 247907 263901 348843 397669 525667 559581 698647 743721 1193007 1577001 2051797 2095941 2726977 4374359 5782337 6155391 7685117 8180931 12327739 13123077 17347011 23055351 36983217 48117949 63605707 84536287 135605129 144353847 190817121 253608861 382159909 406815387 1146479727 1491656419 4203758999 4474969257 12611276997 46241348989 138724046967
• Sum of all divisors σ(n): 210752540544
• Sum of proper divisors (its aliquot sum) s(n): 72028493577
• 138724046967 is a deficient number, because the sum of its proper divisors (72028493577) is less than itself. Its deficiency is 66695553390

Bases of 138724046967

• Binary: 10000001001100100110001111100001110111₂
• Hexadecimal: 0x204C98F877
• Base-36: 1RQ8PRP3

Squares and roots of 138724046967

• 138724046967 squared (138724046967²) is 19244361206902421899089
• 138724046967 cubed (138724046967³) is 2669655667916244380115271770513063
• The square root of 138724046967 is 372456.7719440741
• The cube root of 138724046967 is 5176.6712234585

Scales and comparisons

• 138,724,046,967 seconds is equal to 4,410 years, 51 weeks, 5 days, 9 hours, 29 minutes, 27 seconds.
• To count from 1 to 138,724,046,967 would take you about eight thousand, eight hundred twenty-one 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 138724046967 cubic inches would be around 431.4 feet tall.

Recreational maths with 138724046967

• 138724046967 backwards is 769640427831
• The number of decimal digits it has is: 12
• The sum of 138724046967's digits is 57
• More coming soon!