138535197210

Names of 138535197210

• Cardinal: 138535197210 can be written as One hundred thirty-eight billion, five hundred thirty-five million, one hundred ninety-seven thousand, two hundred ten.

Scientific notation

• Scientific notation: 1.3853519721 × 10¹¹

Factors of 138535197210

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10451

Divisors of 138535197210

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 59 90 118 135 177 270 295 354 531 590 885 919 1062 1593 1770 1838 2655 2757 3186 4595 5310 5514 7965 8271 9190 9463 13785 15930 16542 18926 24813 27570 28389 41355 47315 49626 54221 56778 82710 85167 94630 108442 124065 141945 162663 170334 248130 255501 271105 283890 325326 425835 487989 511002 542210 558317 813315 851670 975978 1116634 1277505 1463967 1626630 1674951 2439945 2555010 2791585 2927934 3349902 4879890 5024853 5583170 7319835 8374755 8696497 10049706 14639670 15074559 16749510 17392994 25124265 26089491 30149118 43482485 50248530 52178982 75372795 78268473 86964970 130447455 150745590 156536946 234805419 260894910 391342365 469610838 513093323 782684730 1026186646 1174027095 1539279969 2348054190 2565466615 3078559938 4617839907 5130933230 7696399845 9235679814 13853519721 15392799690 23089199535 27707039442 46178399070 69267598605 138535197210
• Sum of all divisors σ(n): 376137216000
• Sum of proper divisors (its aliquot sum) s(n): 237602018790
• 138535197210 is an abundant number, because the sum of its proper divisors (237602018790) is greater than itself. Its abundance is 99066821580

Bases of 138535197210

• Binary: 10000001000001010101110101101000011010₂
• Hexadecimal: 0x2041575A1A
• Base-36: 1RN4A2AI

Squares and roots of 138535197210

• 138535197210 squared (138535197210²) is 19192000866013591784100
• 138535197210 cubed (138535197210³) is 2658767624827683724350729242361000
• The square root of 138535197210 is 372203.1665770725
• The cube root of 138535197210 is 5174.3210972447

Scales and comparisons

• 138,535,197,210 seconds is equal to 4,404 years, 51 weeks, 3 days, 15 hours, 13 minutes, 30 seconds.
• To count from 1 to 138,535,197,210 would take you about eight thousand, eight hundred 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 138535197210 cubic inches would be around 431.2 feet tall.

Recreational maths with 138535197210

• 138535197210 backwards is 012791535831
• 138535197210 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138535197210's digits is 45
• More coming soon!