138690788544

Names of 138690788544

• Cardinal: 138690788544 can be written as One hundred thirty-eight billion, six hundred ninety million, seven hundred eighty-eight thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.38690788544 × 10¹¹

Factors of 138690788544

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 13560

Divisors of 138690788544

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 49 54 56 63 64 66 72 77 84 88 96 98 99 108 112 121 126 132 144 147 154 168 176 189 192 196 198 216 224 231 242 252 264 288 294 297 308 336 352 363 378 392 396 432 441 448 462 484 504 528 539 576 588 594 616 672 693 704 726 756 784 792 847 864 882 924 968 1008 1056 1078 1089 1176 1188 1232 1323 1344 1386 1452 1512 1568 1584 1617 1694 1728 1764 1848 1936 2016 2079 2112 2156 2178 2352 2376 2464 2541 2646 2772 2904 3024 3136 3168 3234 3267 3388 3528 3696 3872 4032 4158 4312 4356 4704 4752 4851 4928 5082 5292 5544 5808 5929 6048 6336 6468 6534 6776 7056 7392 7623 7744 8316 8624 8712 9408 9504 9702 10164 10584 11088 11616 11858 12096 12936 13068 13537 13552 14112 14553 14784 15246 16632 17248 17424 17787 19008 19404 20328 21168 22176 22869 23232 23716 25872 26136 27074 27104 28224 29106 30492 33264 34496 34848 35574 38808 40611 40656 42336 44352 45738 47432 51744 52272 53361 54148 54208 58212 60984 66528 69696 71148 77616 81222 81312 84672 91476 94759 94864 103488 104544 106722 108296 116424 121833 121968 133056 142296 148907 155232 160083 162444 162624 182952 189518 189728 209088 213444 216592 232848 243666 243936 284277 284592 297814 310464 320166 324888 365499 365904 379036 379456 426888 433184 446721 465696 487332 487872 568554 569184 595628 640332 649776 663313 730998 731808 758072 852831 853776 866368 893442 931392 974664 1042349 1137108 1138368 1191256 1280664 1299552 1326626 1340163 1461996 1463616 1516144 1637977 1705662 1707552 1786884 1949328 1989939 2084698 2274216 2382512 2558493 2561328 2599104 2653252 2680326 2923992 3032288 3127047 3275954 3411324 3415104 3573768 3898656 3979878 4020489 4169396 4548432 4765024 4913931 5116986 5122656 5306504 5360652 5847984 5969817 6064576 6254094 6551908 6822648 7147536 7296443 7797312 7959756 8040978 8338792 9096864 9381141 9530048 9827862 10233972 10245312 10613008 10721304 11465839 11695968 11939634 12508188 13103816 13645296 14295072 14592886 14741793 15919512 16081956 16677584 17909451 18193728 18762282 19655724 20467944 21226016 21442608 21889329 22931678 23391936 23879268 25016376 26207632 27290592 28143423 28590144 29185772 29483586 31839024 32163912 33355168 34397517 35818902 37524564 39311448 40935888 42452032 42885216 43778658 44225379 45863356 47758536 50032752 52415264 54581184 56286846 58371544 58967172 63678048 64327824 65667987 66710336 68795034 71637804 75049128 78622896 80260873 81871776 85770432 87557316 88450758 91726712 95517072 100065504 103192551 104830528 112573692 116743088 117934344 127356096 128655648 131335974 137590068 143275608 150098256 157245792 160521746 163743552 175114632 176901516 183453424 191034144 197003961 200131008 206385102 225147384 233486176 235868688 240782619 257311296 262671948 275180136 286551216 300196512 309577653 314491584 321043492 350229264 353803032 366906848 382068288 394007922 412770204 450294768 466972352 471737376 481565238 525343896 550360272 573102432 600393024 619155306 642086984 700458528 707606064 722347857 733813696 788015844 825540408 900589536 943474752 963130476 1050687792 1100720544 1146204864 1238310612 1284173968 1400917056 1415212128 1444695714 1576031688 1651080816 1801179072 1926260952 2101375584 2167043571 2201441088 2476621224 2568347936 2830424256 2889391428 3152063376 3302161632 3852521904 4202751168 4334087142 4953242448 5136695872 5778782856 6304126752 6604323264 7705043808 8668174284 9906484896 11557565712 12608253504 15410087616 17336348568 19812969792 23115131424 34672697136 46230262848 69345394272 138690788544
• Sum of all divisors σ(n): 521368416240
• Sum of proper divisors (its aliquot sum) s(n): 382677627696
• 138690788544 is an abundant number, because the sum of its proper divisors (382677627696) is greater than itself. Its abundance is 243986839152

Bases of 138690788544

• Binary: 10000001001010100111010111110011000000₂
• Hexadecimal: 0x204A9D7CC0
• Base-36: 1RPOWXC0

Squares and roots of 138690788544

• 138690788544 squared (138690788544²) is 19235134826956521639936
• 138690788544 cubed (138690788544³) is 2667736016900756973846123881693184
• The square root of 138690788544 is 372412.1219079745
• The cube root of 138690788544 is 5176.2574963849

Scales and comparisons

• 138,690,788,544 seconds is equal to 4,409 years, 48 weeks, 5 days, 11 hours, 2 minutes, 24 seconds.
• To count from 1 to 138,690,788,544 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 138690788544 cubic inches would be around 431.4 feet tall.

Recreational maths with 138690788544

• 138690788544 backwards is 445887096831
• 138690788544 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138690788544's digits is 63
• More coming soon!