138015257751

Names of 138015257751

• Cardinal: 138015257751 can be written as One hundred thirty-eight billion, fifteen million, two hundred fifty-seven thousand, seven hundred fifty-one.

Scientific notation

• Scientific notation: 1.38015257751 × 10¹¹

Factors of 138015257751

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 262

Divisors of 138015257751

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 21 27 29 43 53 63 81 87 127 129 159 189 203 261 301 371 381 387 477 567 609 783 841 889 903 1113 1143 1161 1247 1431 1537 1827 2279 2349 2523 2667 2709 3339 3429 3483 3683 3741 4293 4611 5461 5481 5887 6731 6837 7569 8001 8127 8729 10017 10287 10759 11049 11223 13833 15953 16383 16443 17661 20193 20511 22707 24003 24381 25781 26187 30051 32277 33147 33669 36163 38227 41499 44573 47117 47859 49149 52983 60579 61533 66091 68121 72009 77343 78561 96831 99441 101007 106807 108489 114681 124497 133719 141351 143577 147447 158369 158949 181737 184599 195199 198273 232029 235683 253141 289433 290493 298323 312011 320421 325467 344043 401157 424053 430731 442341 462637 475107 476847 545211 585597 594819 696087 707049 747649 759423 868299 871479 936033 961263 976401 1032129 1108583 1203471 1272159 1292193 1366393 1387911 1425321 1756791 1784457 1916639 2026031 2088261 2242947 2278269 2604897 2808099 2883789 2929203 3096387 3325749 3610413 3816477 4099179 4163733 4275963 4592701 5270373 5353371 5660771 5749917 6078093 6728841 6834807 7814691 8393557 8424297 8651367 9977247 12297537 12491199 12827889 13416473 13778103 15811119 16982313 17249751 18234279 20186523 20504421 23444073 25180671 25272891 29931741 32148907 36892611 37473597 39625397 40249419 41334309 50946939 51749253 54702837 58754899 60559569 75542013 89795223 96446721 110677833 118876191 120748257 124002927 152840817 155247759 164108511 176264697 226626039 243413153 289340163 356628573 362244771 372008781 458522451 528794091 679878117 730239459 868020489 1069885719 1086734313 1586382273 1703892071 2190718377 2604061467 3209657157 4759146819 5111676213 6572155131 15335028639 19716465393 46005085917 138015257751
• Sum of all divisors σ(n): 256418832384
• Sum of proper divisors (its aliquot sum) s(n): 118403574633
• 138015257751 is a deficient number, because the sum of its proper divisors (118403574633) is less than itself. Its deficiency is 19611683118

Bases of 138015257751

• Binary: 10000000100010010110011011010010010111₂
• Hexadecimal: 0x202259B497
• Base-36: 1REIPYFR

Squares and roots of 138015257751

• 138015257751 squared (138015257751²) is 19048211372074965578001
• 138015257751 cubed (138015257751³) is 2628943802212455737942260710335751
• The square root of 138015257751 is 371504.0480950377
• The cube root of 138015257751 is 5167.8396963247

Scales and comparisons

• 138,015,257,751 seconds is equal to 4,388 years, 23 weeks, 5 days, 19 hours, 35 minutes, 51 seconds.
• To count from 1 to 138,015,257,751 would take you about eight thousand, seven hundred seventy-six 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 138015257751 cubic inches would be around 430.7 feet tall.

Recreational maths with 138015257751

• 138015257751 backwards is 157752510831
• The number of decimal digits it has is: 12
• The sum of 138015257751's digits is 45
• More coming soon!