66401900040

Names of 66401900040

• Cardinal: 66401900040 can be written as Sixty-six billion, four hundred one million, nine hundred thousand and forty.

Scientific notation

• Scientific notation: 6.640190004 × 10¹⁰

Factors of 66401900040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 557

Divisors of 66401900040

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 17 20 21 24 28 30 34 35 40 42 51 56 60 68 70 84 85 102 105 119 120 136 140 168 170 204 210 238 255 280 289 340 357 408 420 476 510 523 578 595 680 714 840 867 952 1020 1046 1156 1190 1428 1445 1569 1734 1785 2023 2040 2092 2312 2380 2615 2856 2890 3138 3468 3570 3661 4046 4184 4335 4760 5230 5780 6069 6276 6936 7140 7322 7845 8092 8670 8891 10115 10460 10983 11560 12138 12552 14280 14644 15690 16184 17340 17782 18305 20230 20920 21966 24276 26673 29288 30345 31380 34680 35564 36610 40460 43932 44455 48552 53346 54915 60690 62237 62760 71128 73220 80920 87864 88910 106692 109830 121380 124474 133365 146440 151147 177820 186711 213384 219660 242760 248948 266730 273529 302294 311185 355640 373422 439320 453441 497896 533460 547058 604588 622370 746844 755735 820587 906882 933555 1058029 1066920 1094116 1209176 1244740 1367645 1493688 1511470 1641174 1813764 1867110 1914703 2116058 2188232 2267205 2489480 2735290 3022940 3174087 3282348 3627528 3734220 3829406 4102935 4232116 4534410 4649993 5290145 5470580 5744109 6045880 6348174 6564696 7468440 7658812 8205870 8464232 9068820 9299986 9573515 10580290 10941160 11488218 12696348 13949979 15317624 15870435 16411740 18137640 18599972 19147030 21160580 22976436 23249965 25392696 27899958 28720545 31740870 32549951 32823480 37199944 38294060 42321160 45952872 46499930 55799916 57441090 63481740 65099902 69749895 76588120 79049881 92999860 97649853 111599832 114882180 126963480 130199804 139499790 158099762 162749755 185999720 195299706 229764360 237149643 260399608 278999580 316199524 325499510 390599412 395249405 474299286 488249265 553349167 557999160 632399048 650999020 781198824 790498810 948598572 976498530 1106698334 1185748215 1301998040 1580997620 1660047501 1897197144 1952997060 2213396668 2371496430 2766745835 3161995240 3320095002 3905994120 4426793336 4742992860 5533491670 6640190004 8300237505 9485985720 11066983340 13280380008 16600475010 22133966680 33200950020 66401900040
• Sum of all divisors σ(n): 242306700480
• Sum of proper divisors (its aliquot sum) s(n): 175904800440
• 66401900040 is an abundant number, because the sum of its proper divisors (175904800440) is greater than itself. Its abundance is 109502900400

Bases of 66401900040

• Binary: 111101110101110111001001011000001000₂
• Hexadecimal: 0xF75DC9608
• Base-36: UI5Z5ZC

Squares and roots of 66401900040

• 66401900040 squared (66401900040²) is 4409212328922152001600
• 66401900040 cubed (66401900040³) is 292780076320224338151929120064000
• The square root of 66401900040 is 257685.6613007405
• The cube root of 66401900040 is 4049.4263281335

Scales and comparisons

• 66,401,900,040 seconds is equal to 2,111 years, 19 weeks, 3 days, 12 hours, 14 minutes.
• To count from 1 to 66,401,900,040 would take you about four thousand, two hundred twenty-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 66401900040 cubic inches would be around 337.5 feet tall.

Recreational maths with 66401900040

• 66401900040 backwards is 04000910466
• 66401900040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66401900040's digits is 30
• More coming soon!