18040025640

Names of 18040025640

• Cardinal: 18040025640 can be written as Eighteen billion, forty million, twenty-five thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.804002564 × 10¹⁰

Factors of 18040025640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 549

Divisors of 18040025640

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 43 52 56 60 65 70 78 84 86 91 103 104 105 120 129 130 140 156 168 172 182 195 206 210 215 258 260 273 280 301 309 312 344 364 373 390 412 420 430 455 515 516 520 546 559 602 618 645 721 728 746 780 824 840 860 903 910 1030 1032 1092 1118 1119 1204 1236 1290 1339 1365 1442 1492 1505 1545 1560 1677 1720 1806 1820 1865 2060 2163 2184 2236 2238 2408 2472 2580 2611 2678 2730 2795 2884 2984 3010 3090 3354 3605 3612 3640 3730 3913 4017 4120 4326 4429 4472 4476 4515 4849 5160 5222 5356 5460 5590 5595 5768 6020 6180 6695 6708 7210 7224 7460 7826 7833 8034 8385 8652 8858 8952 9030 9373 9698 10444 10712 10815 10920 11180 11190 11739 12040 12360 13055 13287 13390 13416 14420 14547 14920 15652 15666 16039 16068 16770 17304 17716 18060 18746 19396 19565 20085 20888 21630 22145 22360 22380 23478 24245 26110 26574 26780 28119 28840 29094 31003 31304 31332 32078 32136 33540 33943 35432 36120 37492 38419 38792 39130 39165 40170 43260 44290 44760 46865 46956 48117 48490 52220 53148 53560 56238 57577 58188 58695 62006 62664 64156 66435 67080 67886 72735 74984 76838 78260 78330 80195 80340 86520 88580 93009 93730 93912 96234 96980 101829 104440 106296 112273 112476 115154 115257 116376 117390 124012 128312 132870 135772 140595 145470 153676 155015 156520 156660 160390 160680 169715 172731 177160 186018 187460 192095 192468 193960 203658 208507 224546 224952 230308 230514 234780 240585 248024 265740 268933 271544 281190 287885 290940 307352 310030 313320 320780 336819 339430 345462 372036 374920 384190 384936 403039 407316 417014 449092 460616 461028 465045 469560 481170 499447 509145 531480 537866 561365 562380 575770 576285 581880 620060 625521 641560 673638 678860 690924 744072 768380 806078 806799 814632 834028 863655 898184 922056 930090 962340 998894 1018290 1042535 1075732 1122730 1124760 1151540 1152570 1209117 1240120 1251042 1344665 1347276 1357720 1381848 1459549 1498341 1536760 1612156 1613598 1652017 1668056 1684095 1727310 1860180 1924680 1997788 2015195 2036580 2085070 2151464 2245460 2303080 2305140 2418234 2497235 2502084 2689330 2694552 2919098 2996682 3127605 3224312 3227196 3304034 3368190 3454620 3496129 3720360 3995576 4030390 4033995 4073160 4170140 4378647 4490920 4610280 4836468 4956051 4994470 5004168 5378660 5838196 5993364 6045585 6255210 6454392 6608068 6736380 6909240 6992258 7297745 7491705 8060780 8067990 8260085 8340280 8757294 9672936 9912102 9988940 10488387 10757320 11564119 11676392 11986728 12091170 12510420 13216136 13472760 13984516 14595490 14983410 16121560 16135980 16520170 17480645 17514588 19824204 19977880 20976774 21476221 21893235 23128238 24182340 24780255 25020840 27969032 29190980 29966820 32271960 33040340 34692357 34961290 35029176 39648408 41953548 42952442 43786470 46256476 48364680 49560510 52441935 57820595 58381960 59933640 64428663 66080680 69384714 69922580 83907096 85904884 87572940 92512952 99121020 104883870 107381105 115641190 128857326 138769428 139845160 150333547 171809768 173461785 175145880 198242040 209767740 214762210 231282380 257714652 277538856 300667094 322143315 346923570 419535480 429524420 451000641 462564760 515429304 601334188 644286630 693847140 751667735 859048840 902001282 1202668376 1288573260 1387694280 1503335470 1804002564 2255003205 2577146520 3006670940 3608005128 4510006410 6013341880 9020012820 18040025640
• Sum of all divisors σ(n): 69004615680
• Sum of proper divisors (its aliquot sum) s(n): 50964590040
• 18040025640 is an abundant number, because the sum of its proper divisors (50964590040) is greater than itself. Its abundance is 32924564400

Bases of 18040025640

• Binary: 10000110011010001001111001000101000₂
• Hexadecimal: 0x43344F228
• Base-36: 8ACKCVC

Squares and roots of 18040025640

• 18040025640 squared (18040025640²) is 325442525091857409600
• 18040025640 cubed (18040025640³) is 5870991497003451024407982144000
• The square root of 18040025640 is 134313.1625716555
• The cube root of 18040025640 is 2622.6824904369

Scales and comparisons

• 18,040,025,640 seconds is equal to 573 years, 32 weeks, 14 hours, 14 minutes.
• To count from 1 to 18,040,025,640 would take you about one thousand, one hundred forty-seven 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 18040025640 cubic inches would be around 218.6 feet tall.

Recreational maths with 18040025640

• 18040025640 backwards is 04652004081
• 18040025640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18040025640's digits is 30
• More coming soon!