138040530912

Names of 138040530912

• Cardinal: 138040530912 can be written as One hundred thirty-eight billion, forty million, five hundred thirty thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.38040530912 × 10¹¹

Factors of 138040530912

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 209

Divisors of 138040530912

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 72 93 96 108 124 144 173 186 216 248 279 288 346 372 432 496 519 558 692 744 837 864 961 992 1038 1116 1384 1488 1557 1674 1922 2076 2232 2768 2883 2976 3114 3348 3844 4152 4464 4671 5363 5536 5766 6228 6696 7688 8304 8649 8928 9342 10726 11532 12456 13392 15376 16089 16608 17298 18684 21452 23064 24912 25947 26784 29791 30752 32178 34596 37368 42904 46128 48267 49824 51894 59582 64356 69192 74736 85808 89373 92256 96534 103788 119164 128712 138384 144801 149472 166253 171616 178746 193068 207576 238328 257424 268119 276768 289602 332506 357492 386136 415152 476656 498759 514848 536238 579204 665012 714984 772272 804357 830304 923521 953312 997518 1072476 1158408 1330024 1429968 1496277 1544544 1608714 1847042 1995036 2144952 2316816 2660048 2770563 2859936 2992554 3217428 3694084 3990072 4289904 4488831 4633632 5153843 5320096 5541126 5985108 6434856 7388168 7980144 8311689 8579808 8977662 10307686 11082252 11970216 12869712 14776336 15461529 15960288 16623378 17955324 20615372 22164504 23940432 24935067 25739424 29552672 30923058 33246756 35910648 41230744 44329008 46384587 47880864 49870134 61846116 66493512 71821296 82461488 88658016 92769174 99740268 123692232 132987024 139153761 143642592 159769133 164922976 185538348 199480536 247384464 265974048 278307522 319538266 371076696 398961072 479307399 494768928 556615044 639076532 742153392 797922144 958614798 1113230088 1278153064 1437922197 1484306784 1917229596 2226460176 2556306128 2875844394 3834459192 4313766591 4452920352 5112612256 5751688788 7668918384 8627533182 11503377576 15337836768 17255066364 23006755152 34510132728 46013510304 69020265456 138040530912
• Sum of all divisors σ(n): 418443656400
• Sum of proper divisors (its aliquot sum) s(n): 280403125488
• 138040530912 is an abundant number, because the sum of its proper divisors (280403125488) is greater than itself. Its abundance is 142362594576

Bases of 138040530912

• Binary: 10000000100011110110110101011111100000₂
• Hexadecimal: 0x2023DB57E0
• Base-36: 1REXRNC0

Squares and roots of 138040530912

• 138040530912 squared (138040530912²) is 19055188174466827551744
• 138040530912 cubed (138040530912³) is 2630388292231464957775090911510528
• The square root of 138040530912 is 371538.0611888909
• The cube root of 138040530912 is 5168.1551195983

Scales and comparisons

• 138,040,530,912 seconds is equal to 4,389 years, 13 weeks, 4 days, 7 hours, 55 minutes, 12 seconds.
• To count from 1 to 138,040,530,912 would take you about eight thousand, seven hundred seventy-eight 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 138040530912 cubic inches would be around 430.7 feet tall.

Recreational maths with 138040530912

• 138040530912 backwards is 219035040831
• 138040530912 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138040530912's digits is 36
• More coming soon!