138305929398

Names of 138305929398

• Cardinal: 138305929398 can be written as One hundred thirty-eight billion, three hundred five million, nine hundred twenty-nine thousand, three hundred ninety-eight.

Scientific notation

• Scientific notation: 1.38305929398 × 10¹¹

Factors of 138305929398

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11608

Divisors of 138305929398

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 13 14 19 21 26 38 39 42 57 61 78 91 114 122 133 182 183 247 266 273 361 366 399 427 494 546 722 741 793 798 854 1083 1159 1281 1482 1586 1729 2166 2318 2379 2527 2562 3458 3477 4693 4758 5054 5187 5551 6954 7581 8113 9386 10374 11102 11503 14079 15067 15162 16226 16653 22021 23006 24339 28158 30134 32851 33306 34509 44042 45201 48678 65702 66063 69018 80521 90402 98553 105469 132126 149539 154147 161042 197106 210938 218557 241563 286273 299078 308294 316407 437114 448617 462441 483126 572546 632814 655671 701683 858819 897234 924882 1046773 1311342 1403366 1529899 1717638 2003911 2093546 2105049 2841241 3059798 3140319 4007822 4152583 4210098 4589697 4911781 5682482 6011733 6280638 8305166 8523723 9121879 9179394 9823562 12023466 12457749 13331977 14735343 17047446 18243758 19888687 24915498 26663954 27365637 29068081 29470686 39777374 39995931 53983579 54731274 58136162 59666061 63853153 79991862 87204243 93323839 107967158 119332122 127706306 161950737 173315701 174408486 186647678 191559459 253307563 279971517 323901474 346631402 377885053 383118918 506615126 519947103 559943034 755770106 759922689 1039894206 1133655159 1213209907 1519845378 1773152941 2267310318 2426419814 3292998319 3546305882 3639629721 5319458823 6585996638 7279259442 9878994957 10638917646 19757989914 23050988233 46101976466 69152964699 138305929398
• Sum of all divisors σ(n): 365228623872
• Sum of proper divisors (its aliquot sum) s(n): 226922694474
• 138305929398 is an abundant number, because the sum of its proper divisors (226922694474) is greater than itself. Its abundance is 88616765076

Bases of 138305929398

• Binary: 10000000110011101011010000000010110110₂
• Hexadecimal: 0x2033AD00B6
• Base-36: 1RJBS246

Squares and roots of 138305929398

• 138305929398 squared (138305929398²) is 19128530106644560642404
• 138305929398 cubed (138305929398³) is 2645589134417100014889057148992792
• The square root of 138305929398 is 371895.0515911713
• The cube root of 138305929398 is 5171.4651195457

Scales and comparisons

• 138,305,929,398 seconds is equal to 4,397 years, 36 weeks, 3 days, 1 hour, 43 minutes, 18 seconds.
• To count from 1 to 138,305,929,398 would take you about eight thousand, seven hundred ninety-five 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 138305929398 cubic inches would be around 431 feet tall.

Recreational maths with 138305929398

• 138305929398 backwards is 893929503831
• The number of decimal digits it has is: 12
• The sum of 138305929398's digits is 60
• More coming soon!