138861957830888358

Names of 138861957830888358

• Cardinal: 138861957830888358 can be written as One hundred thirty-eight quadrillion, eight hundred sixty-one trillion, nine hundred fifty-seven billion, eight hundred thirty million, eight hundred eighty-eight thousand, three hundred fifty-eight.

Scientific notation

• Scientific notation: 1.38861957830888358 × 10¹⁷

Factors of 138861957830888358

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 53018738

Divisors of 138861957830888358

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 99 198 25316381 27702341 50632762 55404682 75949143 83107023 151898286 166214046 227847429 249321069 278480191 304725751 455694858 498642138 556960382 609451502 835440573 914177253 1670881146 1828354506 2506321719 2742531759 5012643438 5485063518 701323019347921 1402646038695842 2103969058043763 4207938116087526 6311907174131289 7714553212827131 12623814348262578 15429106425654262 23143659638481393 46287319276962786 69430978915444179 138861957830888358
• Sum of all divisors σ(n): 328219197867589392
• Sum of proper divisors (its aliquot sum) s(n): 189357240036701034
• 138861957830888358 is an abundant number, because the sum of its proper divisors (189357240036701034) is greater than itself. Its abundance is 50495282205812676

Bases of 138861957830888358

• Binary: 111101101010101100011011100000101010100110100101110100110₂
• Hexadecimal: 0x1ED563705534BA6
• Base-36: 11ZAGERJ08TI

Squares and roots of 138861957830888358

• 138861957830888358 squared (138861957830888358²) is 19282643332627416571168675459936164
• 138861957830888358 cubed (138861957830888358³) is 2677625605323368873473154032064941722054202090778712
• The square root of 138861957830888358 is 372641862.6924360441
• The cube root of 138861957830888358 is 517838.6097383997

Scales and comparisons

• 138,861,957,830,888,358 seconds is equal to 4,415,380,730 years, 40 weeks, 5 days, 15 hours, 39 minutes, 18 seconds.
• To count from 1 to 138,861,957,830,888,358 would take you about thirteen billion, two hundred forty-six million, one hundred forty-two thousand, one hundred ninety-two 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 138861957830888358 cubic inches would be around 43153.2 feet tall.

Recreational maths with 138861957830888358

• 138861957830888358 backwards is 853888038759168831
• 138861957830888358 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138861957830888358's digits is 99
• More coming soon!