138342215970

Names of 138342215970

• Cardinal: 138342215970 can be written as One hundred thirty-eight billion, three hundred forty-two million, two hundred fifteen thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.3834221597 × 10¹¹

Factors of 138342215970

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1065

Divisors of 138342215970

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 30 34 35 37 42 45 49 51 53 63 70 74 85 90 98 102 105 106 111 119 126 147 153 159 170 185 210 222 238 245 255 259 265 294 306 315 318 333 357 370 371 441 477 490 510 518 530 555 595 629 630 666 714 735 742 765 777 795 833 882 901 941 954 1071 1110 1113 1190 1258 1295 1470 1530 1554 1590 1665 1666 1785 1802 1813 1855 1882 1887 1961 2142 2205 2226 2331 2385 2499 2590 2597 2703 2823 3145 3330 3339 3570 3626 3710 3774 3885 3922 4165 4403 4410 4505 4662 4705 4770 4998 5194 5355 5406 5439 5565 5646 5661 5883 6290 6307 6587 6678 7497 7770 7791 8109 8330 8469 8806 9010 9065 9410 9435 9805 10710 10878 11130 11322 11655 11766 12495 12614 12985 13174 13209 13515 13727 14115 14994 15582 15997 16218 16317 16695 16938 17649 18130 18870 18921 19610 19761 22015 23310 23373 24990 25970 26418 27030 27195 27454 28230 28305 29415 30821 31535 31994 32634 32935 33337 33390 34817 35298 37485 37842 38955 39522 39627 40545 41181 42345 44030 44149 46109 46746 47991 49873 54390 56610 56763 58830 59283 61642 63070 65870 66045 66674 68635 69634 74970 77910 79254 79985 81090 81585 82362 84690 88245 88298 92218 92463 94605 95982 96089 98805 99746 100011 104451 111979 113526 116865 118566 123543 132090 132447 137270 138327 143973 149619 154105 159970 163170 166685 174085 176490 184926 189210 192178 197610 198135 200022 205905 208902 220745 223958 230545 233359 233730 239955 243719 247086 249365 264894 276654 277389 283815 287946 288267 296415 299238 300033 308210 313353 333370 335937 348170 349111 396270 397341 411810 414981 441490 448857 461090 462315 466718 479910 480445 487438 498730 500055 522255 554778 559895 567630 576534 591889 592830 600066 617715 626706 662235 671874 691635 698222 700077 719865 731157 748095 783853 794682 829962 847841 864801 897714 924630 960890 1000110 1007811 1044510 1047333 1119790 1166795 1183778 1218595 1235430 1324470 1383270 1386945 1400154 1439730 1441335 1462314 1496190 1500165 1566765 1567706 1633513 1679685 1695682 1706033 1729602 1745555 1775667 1845301 1986705 2015622 2074905 2094666 2100231 2193471 2244285 2333590 2351559 2437190 2443777 2543523 2773890 2882670 2959445 3000330 3133530 3141999 3267026 3359370 3412066 3491110 3500385 3551334 3655785 3690602 3919265 3973410 4143223 4149810 4200462 4239205 4324005 4386942 4488570 4703118 4887554 4900539 5039055 5087046 5118099 5236665 5327001 5535903 5918890 5934887 6283998 7000770 7054677 7311570 7331331 7630569 7838530 8167565 8286446 8478410 8530165 8648010 8878335 9226505 9801078 10078110 10236198 10473330 10501155 10654002 10967355 11071806 11757795 11869774 12218885 12429669 12717615 12917107 14109354 14662662 14701617 15261138 15354297 15709995 16335130 16607709 17060330 17756670 17804661 18453010 20716115 21002310 21934710 21993993 23515590 24437770 24502695 24859338 25435230 25590495 25834214 26635005 27679515 29002561 29403234 29674435 30708594 31370117 31419990 33215418 35273385 35609322 36656655 37289007 38152845 38751321 41432230 41544209 43987986 49005390 51180990 53270010 53413983 55359030 58005122 59348870 62148345 62740234 64585535 70546770 73313310 73508085 74578014 76305690 76771485 77502642 83038545 83088418 87007683 89023305 90419749 94110351 106827966 109969965 116253963 124296690 124632627 129171070 145012805 147016170 153542970 156850585 166077090 174015366 178046610 180839498 186445035 188220702 193756605 207721045 219590819 219939930 232507926 249265254 261023049 267069915 271259247 282331053 290025610 313701170 372890070 373897881 387513210 415442090 435038415 439181638 452098745 470551755 522046098 534139830 542518494 564662106 581269815 623163135 658772457 747795762 813777741 870076830 904197490 941103510 1097954095 1162539630 1246326270 1305115245 1317544914 1356296235 1411655265 1537135733 1627555482 1869489405 1976317371 2195908190 2610230490 2712592470 2823310530 3074271466 3293862285 3738978810 3952634742 4068888705 4611407199 6587724570 7685678665 8137777410 9222814398 9881586855 13834221597 15371357330 19763173710 23057035995 27668443194 46114071990 69171107985 138342215970
• Sum of all divisors σ(n): 464078530656
• Sum of proper divisors (its aliquot sum) s(n): 325736314686
• 138342215970 is an abundant number, because the sum of its proper divisors (325736314686) is greater than itself. Its abundance is 187394098716

Bases of 138342215970

• Binary: 10000000110101110101101011000100100010₂
• Hexadecimal: 0x2035D6B122
• Base-36: 1RJXDT0I

Squares and roots of 138342215970

• 138342215970 squared (138342215970²) is 19138568719490123040900
• 138342215970 cubed (138342215970³) is 2647672007148388950006060943173000
• The square root of 138342215970 is 371943.8344293397
• The cube root of 138342215970 is 5171.9173496929

Scales and comparisons

• 138,342,215,970 seconds is equal to 4,398 years, 44 weeks, 3 days, 1 hour, 19 minutes, 30 seconds.
• To count from 1 to 138,342,215,970 would take you about eight thousand, seven hundred ninety-seven 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 138342215970 cubic inches would be around 431 feet tall.

Recreational maths with 138342215970

• 138342215970 backwards is 079512243831
• 138342215970 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138342215970's digits is 45
• More coming soon!