20131497540

Names of 20131497540

• Cardinal: 20131497540 can be written as Twenty billion, one hundred thirty-one million, four hundred ninety-seven thousand, five hundred forty.

Scientific notation

• Scientific notation: 2.013149754 × 10¹⁰

Factors of 20131497540

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2032

Divisors of 20131497540

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 54 55 60 63 66 70 77 84 90 99 105 108 110 126 132 135 140 154 165 180 189 198 210 220 231 252 270 281 297 308 315 330 378 385 396 420 462 495 540 562 594 630 660 693 756 770 843 924 945 990 1124 1155 1188 1260 1386 1405 1485 1540 1686 1723 1890 1967 1980 2079 2310 2529 2772 2810 2970 3091 3372 3446 3465 3780 3934 4158 4215 4620 5058 5169 5620 5901 5940 6182 6892 6930 7587 7868 8316 8430 8615 9273 9835 10116 10338 10395 11802 12061 12364 12645 13860 15174 15455 15507 16860 17230 17703 18546 18953 19670 20676 20790 21637 23604 24122 25290 25845 27819 29505 30348 30910 31014 34460 35406 36183 37092 37906 37935 39340 41580 43274 46365 46521 48244 50580 51690 53109 55638 56859 59010 60305 61820 62028 64911 70812 72366 75812 75870 77535 83457 86548 88515 92730 93042 94765 103380 106218 108185 108549 111276 113718 118020 120610 129822 132671 139095 144732 151740 155070 166914 170577 177030 180915 185460 186084 189530 194733 212436 216370 217098 227436 232605 241220 259644 265342 265545 278190 284295 310140 324555 325647 333828 341154 354060 361830 379060 389466 398013 417285 432740 434196 465210 484163 511731 530684 531090 542745 556380 568590 584199 649110 651294 663355 682308 723660 778932 796026 834570 852885 930420 968326 973665 1023462 1062180 1085490 1137180 1168398 1194039 1298220 1302588 1326710 1452489 1592052 1628235 1669140 1705770 1936652 1947330 1990065 2046924 2170980 2336796 2388078 2420815 2558655 2653420 2904978 2920995 3256470 3389141 3411540 3582117 3894660 3980130 4357467 4776156 4841630 5117310 5325793 5809956 5841990 5970195 6512940 6778282 7164234 7262445 7960260 8714934 9683260 10167423 10234620 10651586 11683980 11940390 13072401 13556564 14328468 14524890 15977379 16945705 17429868 17910585 20334846 21303172 21787335 23880780 26144802 26628965 29049780 30502269 31954758 33891410 35821170 37280551 40669692 43574670 47932137 50837115 52289604 53257930 61004538 63909516 65362005 67782820 71642340 74561102 79886895 87149340 91506807 95864274 101674230 106515860 111841653 122009076 130724010 143796411 149122204 152511345 159773790 183013614 186402755 191728548 203348460 223683306 239660685 261448020 287592822 305022690 319547580 335524959 366027228 372805510 447366612 457534035 479321370 559208265 575185644 610045380 671049918 718982055 745611020 915068070 958642740 1006574877 1118416530 1342099836 1437964110 1677624795 1830136140 2013149754 2236833060 2875928220 3355249590 4026299508 5032874385 6710499180 10065748770 20131497540
• Sum of all divisors σ(n): 78409175040
• Sum of proper divisors (its aliquot sum) s(n): 58277677500
• 20131497540 is an abundant number, because the sum of its proper divisors (58277677500) is greater than itself. Its abundance is 38146179960

Bases of 20131497540

• Binary: 10010101111111011100100011001000100₂
• Hexadecimal: 0x4AFEE4644
• Base-36: 98XRUX0

Squares and roots of 20131497540

• 20131497540 squared (20131497540²) is 405277193203026051600
• 20131497540 cubed (20131497540³) is 8158836817984823678341313064000
• The square root of 20131497540 is 141885.5085623617
• The cube root of 20131497540 is 2720.3536133763

Scales and comparisons

• 20,131,497,540 seconds is equal to 640 years, 6 weeks, 1 day, 10 hours, 39 minutes.
• To count from 1 to 20,131,497,540 would take you about one thousand, two hundred eighty 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 20131497540 cubic inches would be around 226.7 feet tall.

Recreational maths with 20131497540

• 20131497540 backwards is 04579413102
• 20131497540 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20131497540's digits is 36
• More coming soon!