138660532668

Names of 138660532668

• Cardinal: 138660532668 can be written as One hundred thirty-eight billion, six hundred sixty million, five hundred thirty-two thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38660532668 × 10¹¹

Factors of 138660532668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3289

Divisors of 138660532668

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 37 38 42 54 57 63 74 76 81 84 108 111 114 126 133 148 162 171 189 222 228 243 252 259 266 324 333 342 378 399 444 486 513 518 532 567 666 684 703 729 756 777 798 972 999 1026 1036 1134 1197 1332 1406 1458 1539 1554 1596 1701 1998 2052 2109 2187 2268 2331 2394 2812 2916 2997 3078 3108 3221 3402 3591 3996 4218 4374 4617 4662 4788 4921 5103 5994 6156 6327 6442 6804 6993 7182 8436 8748 8991 9234 9324 9663 9842 10206 10773 11988 12654 12884 13851 13986 14364 14763 15309 17982 18468 18981 19326 19684 20412 20979 21546 22547 25308 26973 27702 27972 28989 29526 30618 32319 35964 37962 38652 41553 41958 43092 44289 45094 53946 55404 56943 57978 59052 61199 61236 62937 64638 67641 75924 80919 83106 83916 86967 88578 90188 96957 107892 113886 115956 119177 122398 125874 129276 132867 135282 161838 166212 170829 173934 177156 183597 188811 193914 202923 227772 238354 244796 251748 260901 265734 270564 290871 323676 341658 347868 357531 367194 377622 387828 398601 405846 428393 476708 512487 521802 531468 550791 566433 581742 608769 683316 715062 734388 755244 782703 797202 811692 834239 856786 1024974 1043604 1072593 1101582 1132866 1163484 1195803 1217538 1285179 1430124 1537461 1565406 1594404 1652373 1668478 1713572 1826307 2049948 2145186 2203164 2264363 2265732 2348109 2391606 2435076 2502717 2570358 3074922 3130812 3217779 3304746 3336956 3587409 3652614 3855537 4290372 4528726 4696218 4783212 4957119 5005434 5140716 5478921 6149844 6435558 6609492 6793089 7044327 7174818 7305228 7508151 7711074 9057452 9392436 9653337 9914238 10010868 10762227 10957842 11566611 12871116 13586178 14088654 14349636 14871357 15016302 15422148 15850541 16436763 19306674 19828476 20379267 21524454 21915684 22524453 23133222 27172356 28177308 28960011 29742714 30032604 31701082 32873526 34699833 38613348 40758534 43048908 44614071 45048906 46266444 47551623 49310289 57920022 59485428 61137801 63402164 65747052 67573359 69399666 81517068 86880033 89228142 90097812 95103246 98620578 104099499 115840044 122275602 133842213 135146718 138799332 142654869 173760066 178456284 183413403 190206492 197241156 202720077 208198998 244551204 260640099 267684426 270293436 285309738 312298497 347520132 366826806 405440154 416397996 427964607 521280198 535368852 550240209 570619476 608160231 624596994 733653612 810880308 855929214 936895491 1042560396 1100480418 1216320462 1249193988 1283893821 1650720627 1711858428 1824480693 1873790982 2200960836 2432640924 2567787642 3301441254 3648961386 3747581964 3851681463 4952161881 5135575284 6602882508 7297922772 7703362926 9904323762 11555044389 15406725852 19808647524 23110088778 34665133167 46220177556 69330266334 138660532668
• Sum of all divisors σ(n): 449780889600
• Sum of proper divisors (its aliquot sum) s(n): 311120356932
• 138660532668 is an abundant number, because the sum of its proper divisors (311120356932) is greater than itself. Its abundance is 172459824264

Bases of 138660532668

• Binary: 10000001001000110011111101000110111100₂
• Hexadecimal: 0x2048CFD1BC
• Base-36: 1RP6WFR0

Squares and roots of 138660532668

• 138660532668 squared (138660532668²) is 19226743319773495198224
• 138660532668 cubed (138660532668³) is 2665990470190703501293880087581632
• The square root of 138660532668 is 372371.4981950151
• The cube root of 138660532668 is 5175.8810628417

Scales and comparisons

• 138,660,532,668 seconds is equal to 4,408 years, 50 weeks, 5 days, 6 hours, 37 minutes, 48 seconds.
• To count from 1 to 138,660,532,668 would take you about eight thousand, eight hundred seventeen 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 138660532668 cubic inches would be around 431.3 feet tall.

Recreational maths with 138660532668

• 138660532668 backwards is 866235066831
• 138660532668 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138660532668's digits is 54
• More coming soon!