31138727697

Names of 31138727697

• Cardinal: 31138727697 can be written as Thirty-one billion, one hundred thirty-eight million, seven hundred twenty-seven thousand, six hundred ninety-seven.

Scientific notation

• Scientific notation: 3.1138727697 × 10¹⁰

Factors of 31138727697

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 52

Divisors of 31138727697

• Number of divisors d(n): 140
• Complete list of divisors:
  1 3 7 9 11 21 27 31 33 63 77 81 93 99 121 189 217 231 279 297 341 363 567 651 693 837 847 891 1023 1089 1331 1953 2079 2387 2511 2541 3069 3267 3751 3993 5859 6237 7161 7623 9207 9317 9801 11253 11979 14641 17577 21483 22869 26257 27621 27951 33759 35937 41261 43923 64449 68607 78771 83853 101277 102487 107811 123783 131769 161051 193347 236313 251559 288827 303831 307461 371349 395307 453871 483153 708939 754677 866481 922383 1114047 1127357 1185921 1361613 1449459 1771561 2126817 2599443 2767149 3177097 3342141 3382071 4084839 4348377 4992581 5314683 7798329 8301447 9531291 10146213 12254517 12400927 13045131 14977743 15944049 23394987 28593873 30438639 34948067 36763551 37202781 44933229 47832147 54918391 85781619 91315917 104844201 111608343 134799687 143496441 164755173 257344857 314532603 334825029 384428737 404399061 494265519 943597809 1004475087 1153286211 1482796557 2830793427 3459858633 4448389671 10379575899 31138727697
• Sum of all divisors σ(n): 60363457792
• Sum of proper divisors (its aliquot sum) s(n): 29224730095
• 31138727697 is a deficient number, because the sum of its proper divisors (29224730095) is less than itself. Its deficiency is 1913997602

Bases of 31138727697

• Binary: 11101000000000000110100011100010001₂
• Hexadecimal: 0x740034711
• Base-36: EAZ7029

Squares and roots of 31138727697

• 31138727697 squared (31138727697²) is 969620362587914923809
• 31138727697 cubed (31138727697³) is 30192744440091489035490953037873
• The square root of 31138727697 is 176461.6890347591
• The cube root of 31138727697 is 3146.0596635627

Scales and comparisons

• 31,138,727,697 seconds is equal to 990 years, 5 weeks, 6 days, 22 hours, 34 minutes, 57 seconds.
• To count from 1 to 31,138,727,697 would take you about one thousand, nine hundred eighty 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 31138727697 cubic inches would be around 262.2 feet tall.

Recreational maths with 31138727697

• 31138727697 backwards is 79672783113
• The number of decimal digits it has is: 11
• The sum of 31138727697's digits is 54
• More coming soon!