138687498432

Names of 138687498432

• Cardinal: 138687498432 can be written as One hundred thirty-eight billion, six hundred eighty-seven million, four hundred ninety-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.38687498432 × 10¹¹

Factors of 138687498432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1261

Divisors of 138687498432

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 32 36 42 48 54 56 62 63 64 72 84 93 96 108 112 124 126 144 168 186 189 192 216 217 224 248 252 279 288 336 372 378 432 434 448 496 504 558 576 577 641 651 672 744 756 837 864 868 992 1008 1116 1154 1282 1302 1344 1488 1512 1674 1728 1731 1736 1923 1953 1984 2016 2232 2308 2564 2604 2976 3024 3348 3462 3472 3846 3906 4032 4039 4464 4487 4616 5128 5193 5208 5769 5859 5952 6048 6696 6924 6944 7692 7812 8078 8928 8974 9232 10256 10386 10416 11538 11718 12096 12117 13392 13461 13848 13888 15384 15579 15624 16156 17307 17856 17887 17948 18464 19871 20512 20772 20832 23076 23436 24234 26784 26922 27696 30768 31158 31248 32312 34614 35774 35896 36351 36928 39742 40383 41024 41544 41664 46152 46872 48468 53568 53661 53844 55392 59613 61536 62316 62496 64624 69228 71548 71792 72702 79484 80766 83088 92304 93744 96936 107322 107688 109053 110784 119226 121149 123072 124632 124992 125209 129248 138456 139097 143096 143584 145404 158968 160983 161532 166176 178839 184608 187488 193872 214644 215376 218106 238452 242298 249264 250418 258496 276912 278194 286192 287168 290808 317936 321966 323064 332352 357678 369216 369857 374976 375627 387744 417291 429288 430752 436212 476904 482949 484596 498528 500836 536517 553824 556388 572384 581616 635872 643932 646128 715356 739714 751254 775488 834582 858576 861504 872424 953808 965898 969192 997056 1001672 1073034 1107648 1109571 1112776 1126881 1144768 1163232 1251873 1271744 1287864 1292256 1430712 1479428 1502508 1669164 1717152 1744848 1907616 1931796 1938384 2003344 2146068 2219142 2225552 2253762 2326464 2503746 2575728 2584512 2588999 2861424 2958856 3005016 3328713 3338328 3380643 3434304 3489696 3755619 3815232 3863592 3876768 4006688 4292136 4438284 4451104 4507524 5007492 5151456 5177998 5722848 5917712 6010032 6657426 6676656 6761286 6979392 7511238 7727184 7753536 7766997 8013376 8584272 8876568 8902208 9015048 9986139 10014984 10302912 10355996 11445696 11465567 11835424 12020064 13314852 13353312 13522572 15022476 15454368 15533994 17168544 17753136 18030096 19972278 20029968 20711992 22931134 23300991 23670848 24040128 26629704 26706624 27045144 30044952 30908736 31067988 34337088 34396701 35506272 36060192 39944556 40059936 41423984 45862268 46601982 53259408 54090288 60089904 62135976 68793402 69902973 71012544 72120384 79889112 80119872 80258969 82847968 91724536 93203964 103190103 106518816 108180576 120179808 124271952 137586804 139805946 159778224 160517938 165695936 183449072 186407928 206380206 213037632 216361152 240359616 240776907 248543904 275173608 279611892 309570309 319556448 321035876 366898144 372815856 412760412 481553814 497087808 550347216 559223784 619140618 639112896 642071752 722330721 733796288 745631712 825520824 963107628 1100694432 1118447568 1238281236 1284143504 1444661442 1491263424 1651041648 1926215256 2166992163 2201388864 2236895136 2476562472 2568287008 2889322884 3302083296 3852430512 4333984326 4473790272 4953124944 5136574016 5778645768 6604166592 7704861024 8667968652 9906249888 11557291536 15409722048 17335937304 19812499776 23114583072 34671874608 46229166144 69343749216 138687498432
• Sum of all divisors σ(n): 482576916480
• Sum of proper divisors (its aliquot sum) s(n): 343889418048
• 138687498432 is an abundant number, because the sum of its proper divisors (343889418048) is greater than itself. Its abundance is 205201919616

Bases of 138687498432

• Binary: 10000001001010011010110100100011000000₂
• Hexadecimal: 0x204A6B48C0
• Base-36: 1RPMYEO0

Squares and roots of 138687498432

• 138687498432 squared (138687498432²) is 19234222221326002458624
• 138687498432 cubed (138687498432³) is 2667546164160889522941244144877568
• The square root of 138687498432 is 372407.7045819541
• The cube root of 138687498432 is 5176.2165645591

Scales and comparisons

• 138,687,498,432 seconds is equal to 4,409 years, 43 weeks, 2 days, 9 hours, 7 minutes, 12 seconds.
• To count from 1 to 138,687,498,432 would take you about eight thousand, eight hundred nineteen 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 138687498432 cubic inches would be around 431.4 feet tall.

Recreational maths with 138687498432

• 138687498432 backwards is 234894786831
• 138687498432 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138687498432's digits is 63
• More coming soon!