138065128668

Names of 138065128668

• Cardinal: 138065128668 can be written as One hundred thirty-eight billion, sixty-five million, one hundred twenty-eight thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38065128668 × 10¹¹

Factors of 138065128668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 459

Divisors of 138065128668

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 37 54 62 74 93 108 111 124 148 157 186 222 229 279 314 333 372 444 458 471 558 628 666 687 837 916 942 961 999 1116 1147 1332 1374 1413 1674 1884 1922 1998 2061 2294 2748 2826 2883 3348 3441 3844 3996 4122 4239 4588 4867 5652 5766 5809 6183 6882 7099 8244 8473 8478 8649 9734 10323 11532 11618 12366 13764 14198 14601 16946 16956 17298 17427 19468 20646 21297 23236 24732 25419 25947 28396 29202 30969 33892 34596 34854 35557 35953 41292 42594 43803 50838 51894 52281 58404 61938 63891 69708 71114 71906 76257 85188 87606 101676 103788 104562 106671 107859 123876 127782 131409 142228 143812 150877 152514 156843 175212 180079 191673 209124 213342 215718 220069 228771 255564 262663 262818 301754 305028 313686 320013 323577 360158 383346 426684 431436 440138 452631 457542 525326 525636 540237 603508 627372 640026 647154 660207 720316 766692 787989 880276 905262 915084 960039 970731 1050652 1080474 1114543 1280052 1294308 1320414 1330261 1357893 1575978 1620711 1810524 1920078 1941462 1980621 2160948 2229086 2363967 2640828 2660522 2715786 3151956 3241422 3343629 3840156 3882924 3961242 3990783 4073679 4458172 4727934 4862133 5321044 5431572 5582449 5941863 6482844 6687258 7091901 7922484 7981566 8142553 8147358 9455868 9724266 10030887 11164898 11883726 11972349 13374516 14183802 15963132 16285106 16294716 16747347 19448532 20061774 22329796 23767452 23944698 24427659 28367604 30092661 32570212 33494694 34550833 35917047 40123548 41238091 47889396 48855318 50242041 60185322 66989388 69101666 71834094 73282977 82476182 97710636 100484082 103652499 120370644 123714273 138203332 143668188 146565954 150726123 164952364 200968164 207304998 219848931 247428546 293131908 301452246 310957497 371142819 414609996 439697862 494857092 602904492 621914994 742285638 879395724 932872491 1113428457 1243829988 1278380821 1484571276 1865744982 2226856914 2556761642 3731489964 3835142463 4453713828 5113523284 7670284926 11505427389 15340569852 23010854778 34516282167 46021709556 69032564334 138065128668
• Sum of all divisors σ(n): 383950996800
• Sum of proper divisors (its aliquot sum) s(n): 245885868132
• 138065128668 is an abundant number, because the sum of its proper divisors (245885868132) is greater than itself. Its abundance is 107820739464

Bases of 138065128668

• Binary: 10000000100101010100101010110011011100₂
• Hexadecimal: 0x202552ACDC
• Base-36: 1RFCEV30

Squares and roots of 138065128668

• 138065128668 squared (138065128668²) is 19061979754111395454224
• 138065128668 cubed (138065128668³) is 2631794687418200815392466864093632
• The square root of 138065128668 is 371571.1623202209
• The cube root of 138065128668 is 5168.4620764697

Scales and comparisons

• 138,065,128,668 seconds is equal to 4,390 years, 2 weeks, 2 days, 37 minutes, 48 seconds.
• To count from 1 to 138,065,128,668 would take you about eight thousand, seven 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 138065128668 cubic inches would be around 430.7 feet tall.

Recreational maths with 138065128668

• 138065128668 backwards is 866821560831
• 138065128668 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138065128668's digits is 54
• More coming soon!