138418118784

Names of 138418118784

• Cardinal: 138418118784 can be written as One hundred thirty-eight billion, four hundred eighteen million, one hundred eighteen thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.38418118784 × 10¹¹

Factors of 138418118784

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3106

Divisors of 138418118784

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 99 108 128 132 137 144 162 176 192 198 216 243 264 274 288 297 324 352 384 396 411 432 486 528 548 576 594 648 704 792 822 864 891 972 1056 1096 1152 1188 1233 1296 1408 1507 1584 1644 1728 1782 1944 2112 2192 2376 2466 2592 2673 2953 3014 3168 3288 3456 3564 3699 3888 4224 4384 4521 4752 4932 5184 5346 5906 6028 6336 6576 7128 7398 7776 8768 8859 9042 9504 9864 10368 10692 11097 11812 12056 12672 13152 13563 14256 14796 15552 17536 17718 18084 19008 19728 21384 22194 23624 24112 26304 26577 27126 28512 29592 31104 32483 33291 35436 36168 38016 39456 40689 42768 44388 47248 48224 52608 53154 54252 57024 59184 64966 66582 70872 72336 78912 79731 81378 85536 88776 94496 96448 97449 106308 108504 114048 118368 122067 129932 133164 141744 144672 157824 159462 162756 171072 177552 188992 192896 194898 212616 217008 236736 239193 244134 259864 266328 283488 289344 292347 318924 325512 342144 355104 366201 377984 389796 404561 425232 434016 473472 478386 488268 519728 532656 566976 578688 584694 637848 651024 710208 717579 732402 779592 809122 850464 868032 877041 956772 976536 1039456 1065312 1133952 1169388 1213683 1275696 1302048 1420416 1435158 1464804 1559184 1618244 1700928 1736064 1754082 1913544 1953072 2078912 2130624 2338776 2427366 2551392 2604096 2631123 2870316 2929608 3118368 3236488 3401856 3508164 3641049 3827088 3906144 4157824 4261248 4450171 4677552 4854732 5102784 5208192 5262246 5740632 5859216 6236736 6472976 7016328 7282098 7654176 7812288 7893369 8900342 9355104 9709464 10205568 10524492 10923147 11481264 11718432 12473472 12945952 13350513 14032656 14564196 15308352 15624576 15786738 17800684 18710208 19418928 21048984 21846294 22962528 23436864 25891904 26701026 28065312 29128392 30616704 31573476 32769441 35601368 37420416 38837856 40051539 42097968 43692588 45925056 46873728 51783808 53402052 56130624 58256784 63146952 65538882 71202736 77675712 80103078 84195936 87385176 91850112 98308323 106804104 112261248 116513568 120154617 126293904 131077764 142405472 155351424 160206156 168391872 174770352 196616646 213608208 233027136 240309234 252587808 262155528 284810944 320412312 336783744 349540704 360463851 393233292 427216416 466054272 480618468 505175616 524311056 569621888 640824624 699081408 720927702 786466584 854432832 961236936 1010351232 1048622112 1081391553 1281649248 1398162816 1441855404 1572933168 1708865664 1922473872 2097244224 2162783106 2563298496 2883710808 3145866336 3844947744 4194488448 4325566212 5126596992 5767421616 6291732672 7689895488 8651132424 11534843232 12583465344 15379790976 17302264848 23069686464 34604529696 46139372928 69209059392 138418118784
• Sum of all divisors σ(n): 454059103680
• Sum of proper divisors (its aliquot sum) s(n): 315640984896
• 138418118784 is an abundant number, because the sum of its proper divisors (315640984896) is greater than itself. Its abundance is 177222866112

Bases of 138418118784

• Binary: 10000000111010010111001110000010000000₂
• Hexadecimal: 0x203A5CE080
• Base-36: 1RL6KO00

Squares and roots of 138418118784

• 138418118784 squared (138418118784²) is 19159575607701533638656
• 138418118784 cubed (138418118784³) is 2652032412317859868414457942114304
• The square root of 138418118784 is 372045.8557543677
• The cube root of 138418118784 is 5172.8630511555

Scales and comparisons

• 138,418,118,784 seconds is equal to 4,401 years, 13 weeks, 6 days, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 138,418,118,784 would take you about eight thousand, eight hundred 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 138418118784 cubic inches would be around 431.1 feet tall.

Recreational maths with 138418118784

• 138418118784 backwards is 487811814831
• 138418118784 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138418118784's digits is 54
• More coming soon!