138889644768

Names of 138889644768

• Cardinal: 138889644768 can be written as One hundred thirty-eight billion, eight hundred eighty-nine million, six hundred forty-four thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38889644768 × 10¹¹

Factors of 138889644768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 17655

Divisors of 138889644768

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 32 34 36 42 48 51 56 63 68 72 84 96 102 112 119 126 136 144 153 168 204 224 233 238 252 272 288 306 336 357 408 466 476 504 544 612 672 699 714 816 932 952 1008 1071 1224 1398 1428 1631 1632 1864 1904 2016 2097 2142 2448 2796 2856 3262 3728 3808 3961 4194 4284 4893 4896 5592 5712 6524 7456 7922 8388 8568 9786 11184 11424 11883 13048 14679 15844 16776 17136 17393 19572 22368 23766 26096 27727 29358 31688 33552 34272 34786 35649 39144 47532 52179 52192 55454 58716 63376 67104 69572 71298 78288 83181 95064 104358 110908 117432 121751 126752 139144 142596 156537 156576 166362 190128 208716 221816 234864 243502 249543 278288 285192 295681 313074 332724 365253 380256 417432 443632 469728 487004 499086 556576 570384 591362 626148 665448 730506 834864 887043 887264 974008 998172 1095759 1140768 1182724 1252296 1330896 1461012 1669728 1774086 1948016 1996344 2069767 2191518 2365448 2504592 2661129 2661792 2922024 3548172 3896032 3992688 4052569 4139534 4383036 4730896 5009184 5322258 5844048 6209301 7096344 7985376 8105138 8279068 8766072 9461792 10644516 11688096 12157707 12418602 14192688 16210276 16558136 17532144 18627903 21289032 24315414 24837204 28367983 28385376 32420552 33116272 35064288 36473121 37255806 42578064 48630828 49674408 56735966 64841104 66232544 68893673 72946242 74511612 85103949 85156128 97261656 99348816 113471932 129682208 137787346 145892484 149023224 170207898 194523312 198697632 206681019 226943864 255311847 275574692 291784968 298046448 340415796 389046624 413362038 453887728 482255711 510623694 551149384 583569936 596092896 620043057 680831592 826724076 907775456 964511422 1021247388 1102298768 1167139872 1240086114 1361663184 1446767133 1653448152 1929022844 2042494776 2204597536 2480172228 2723326368 2893534266 3306896304 3858045688 4084989552 4340301399 4960344456 5787068532 6613792608 7716091376 8169979104 8680602798 9920688912 11574137064 15432182752 17361205596 19841377824 23148274128 34722411192 46296548256 69444822384 138889644768
• Sum of all divisors σ(n): 480022635456
• Sum of proper divisors (its aliquot sum) s(n): 341132990688
• 138889644768 is an abundant number, because the sum of its proper divisors (341132990688) is greater than itself. Its abundance is 202243345920

Bases of 138889644768

• Binary: 10000001010110011101111100101011100000₂
• Hexadecimal: 0x205677CAE0
• Base-36: 1RSZB3S0

Squares and roots of 138889644768

• 138889644768 squared (138889644768²) is 19290333423781229773824
• 138889644768 cubed (138889644768³) is 2679227556685252206632600344952832
• The square root of 138889644768 is 372679.0103668303
• The cube root of 138889644768 is 5178.7302380079

Scales and comparisons

• 138,889,644,768 seconds is equal to 4,416 years, 13 weeks, 4 days, 52 minutes, 48 seconds.
• To count from 1 to 138,889,644,768 would take you about eight thousand, eight hundred thirty-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 138889644768 cubic inches would be around 431.6 feet tall.

Recreational maths with 138889644768

• 138889644768 backwards is 867446988831
• 138889644768 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138889644768's digits is 72
• More coming soon!