138389918310

Names of 138389918310

• Cardinal: 138389918310 can be written as One hundred thirty-eight billion, three hundred eighty-nine million, nine hundred eighteen thousand, three hundred ten.

Scientific notation

• Scientific notation: 1.3838991831 × 10¹¹

Factors of 138389918310

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 62480

Divisors of 138389918310

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 23 27 30 34 35 42 45 46 51 54 63 69 70 81 85 90 102 105 115 119 126 135 138 153 161 162 170 189 207 210 230 238 255 270 306 315 322 345 357 378 391 405 414 459 483 510 567 595 621 630 690 714 765 782 805 810 918 945 966 1035 1071 1134 1173 1190 1242 1377 1449 1530 1610 1785 1863 1890 1955 2070 2142 2295 2346 2415 2737 2754 2835 2898 3105 3213 3519 3570 3726 3910 4347 4590 4830 5355 5474 5670 5865 6210 6426 6885 7038 7245 8211 8694 9315 9639 10557 10710 11730 13041 13685 13770 14490 16065 16422 17595 18630 19278 21114 21735 24633 26082 27370 31671 32130 35190 41055 43470 48195 49266 52785 62423 63342 65205 73899 82110 96390 105570 123165 124846 130410 147798 158355 187269 221697 246330 312115 316710 369495 374538 436961 443394 561807 624230 738990 873922 936345 1061191 1108485 1123614 1310883 1435729 1685421 1872690 2122382 2184805 2216970 2621766 2809035 2871458 3183573 3370842 3932649 4307187 4369610 5056263 5305955 5618070 6367146 6554415 7178645 7428337 7865298 8427105 8614374 9550719 10050103 10112526 10611910 11797947 12921561 13108830 14357290 14856674 15917865 16854210 19101438 19663245 20100206 21535935 22285011 23595894 24407393 25281315 25843122 28652157 30150309 31835730 35393841 37141685 38764683 39326490 43071870 44570022 47753595 48814786 50250515 50562630 57304314 58989735 60300618 64607805 66855033 70787682 73222179 74283370 77529366 85956471 90450927 95507190 100501030 111425055 116294049 117979470 122036965 129215610 133710066 143260785 146444358 150751545 170851751 171912942 176969205 180901854 193823415 200565099 219666537 222850110 232588098 244073930 271352781 286521570 301503090 334275165 341703502 353938410 366110895 387646830 401130198 429782355 439333074 452254635 512555253 542705562 581470245 601695297 658999611 668550330 732221790 814058343 854258755 859564710 904509270 1002825495 1025110506 1098332685 1162940490 1203390594 1317999222 1356763905 1537665759 1628116686 1708517510 1976998833 2005650990 2196665370 2562776265 2713527810 3008476485 3075331518 3294998055 3953997666 4070291715 4612997277 5125552530 6016952970 6589996110 7688328795 8140583430 9225994554 9884994165 13838991831 15376657590 19769988330 23064986385 27677983662 46129972770 69194959155 138389918310
• Sum of all divisors σ(n): 469875935232
• Sum of proper divisors (its aliquot sum) s(n): 331486016922
• 138389918310 is an abundant number, because the sum of its proper divisors (331486016922) is greater than itself. Its abundance is 193096098612

Bases of 138389918310

• Binary: 10000000111000101011101001001001100110₂
• Hexadecimal: 0x2038AE9266
• Base-36: 1RKPS8DI

Squares and roots of 138389918310

• 138389918310 squared (138389918310²) is 19151769489848473256100
• 138389918310 cubed (138389918310³) is 2650411815192080588189898709191000
• The square root of 138389918310 is 372007.9546326933
• The cube root of 138389918310 is 5172.5117313067

Scales and comparisons

• 138,389,918,310 seconds is equal to 4,400 years, 19 weeks, 2 days, 3 hours, 58 minutes, 30 seconds.
• To count from 1 to 138,389,918,310 would take you about eight thousand, eight hundred 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 138389918310 cubic inches would be around 431 feet tall.

Recreational maths with 138389918310

• 138389918310 backwards is 013819983831
• 138389918310 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138389918310's digits is 54
• More coming soon!