15138492768

Names of 15138492768

• Cardinal: 15138492768 can be written as Fifteen billion, one hundred thirty-eight million, four hundred ninety-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.5138492768 × 10¹⁰

Factors of 15138492768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 633

Divisors of 15138492768

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 29 32 36 42 48 49 56 58 63 71 72 84 87 96 98 112 116 126 142 144 147 168 174 196 203 213 224 232 252 261 284 288 294 336 348 392 406 426 441 464 497 504 521 522 568 588 609 639 672 696 784 812 852 882 928 994 1008 1042 1044 1136 1176 1218 1278 1392 1421 1491 1563 1568 1624 1704 1764 1827 1988 2016 2059 2084 2088 2272 2352 2436 2556 2784 2842 2982 3126 3248 3408 3479 3528 3647 3654 3976 4118 4168 4176 4263 4473 4689 4704 4872 5112 5684 5964 6177 6252 6496 6816 6958 7056 7294 7308 7952 8236 8336 8352 8526 8946 9378 9744 10224 10437 10941 11368 11928 12354 12504 12789 13916 14112 14413 14588 14616 15109 15904 16472 16672 17052 17892 18531 18756 19488 20448 20874 21882 22736 23856 24708 25008 25529 25578 27832 28826 29176 29232 30218 31311 32823 32944 34104 35784 36991 37062 37512 41748 43239 43764 45327 45472 47712 49416 50016 51058 51156 55664 57652 58352 58464 60436 62622 65646 65888 68208 71568 73982 74124 75024 76587 83496 86478 87528 90654 98832 100891 102116 102312 105763 110973 111328 115304 116704 120872 125244 129717 131292 135981 136416 143136 147964 148248 150048 153174 166992 172956 175056 181308 197664 201782 204232 204624 211526 221946 229761 230608 241744 250488 258937 259434 262584 271962 295928 296496 302673 306348 317289 332919 333984 345912 350112 362616 403564 408464 409248 423052 443892 459522 461216 483488 500976 517874 518868 525168 543924 591856 592992 605346 612696 634578 665838 691824 725232 740341 776811 807128 816928 846104 887784 908019 919044 951867 1001952 1035748 1037736 1050336 1072739 1087848 1183712 1210692 1225392 1269156 1331676 1383648 1450464 1480682 1553622 1614256 1692208 1775568 1812559 1816038 1838088 1903734 2071496 2075472 2145478 2175696 2221023 2330433 2421384 2450784 2538312 2663352 2961364 3107244 3218217 3228512 3384416 3551136 3625118 3632076 3676176 3807468 4142992 4150944 4290956 4351392 4442046 4660866 4842768 5076624 5326704 5437677 5922728 6214488 6436434 6663069 7250236 7264152 7352352 7509173 7614936 8285984 8581912 8884092 9321732 9654651 9685536 10153248 10653408 10875354 11845456 12428976 12872868 13326138 14500472 14528304 15018346 15229872 16313031 17163824 17768184 18643464 19309302 21750708 22527519 23690912 24857952 25745736 26652276 29000944 29056608 30036692 30459744 32626062 34327648 35536368 37286928 38618604 43501416 45055038 51491472 52564211 53304552 58001888 60073384 65252124 67582557 71072736 74573856 77237208 87002832 90110076 102982944 105128422 106609104 120146768 130504248 135165114 154474416 157692633 174005664 180220152 210256844 213218208 240293536 261008496 270330228 308948832 315385266 360440304 420513688 473077899 522016992 540660456 630770532 720880608 841027376 946155798 1081320912 1261541064 1682054752 1892311596 2162641824 2523082128 3784623192 5046164256 7569246384 15138492768
• Sum of all divisors σ(n): 52636016160
• Sum of proper divisors (its aliquot sum) s(n): 37497523392
• 15138492768 is an abundant number, because the sum of its proper divisors (37497523392) is greater than itself. Its abundance is 22359030624

Bases of 15138492768

• Binary: 1110000110010100110001000101100000₂
• Hexadecimal: 0x386531160
• Base-36: 6YD2FS0

Squares and roots of 15138492768

• 15138492768 squared (15138492768²) is 229173963286788301824
• 15138492768 cubed (15138492768³) is 3469348385830942217109625208832
• The square root of 15138492768 is 123038.5824365675
• The cube root of 15138492768 is 2473.7788904991

Scales and comparisons

• 15,138,492,768 seconds is equal to 481 years, 18 weeks, 4 days, 52 minutes, 48 seconds.
• To count from 1 to 15,138,492,768 would take you about nine hundred sixty-two 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 15138492768 cubic inches would be around 206.1 feet tall.

Recreational maths with 15138492768

• 15138492768 backwards is 86729483151
• The number of decimal digits it has is: 11
• The sum of 15138492768's digits is 54
• More coming soon!