18182972340

Names of 18182972340

• Cardinal: 18182972340 can be written as Eighteen billion, one hundred eighty-two million, nine hundred seventy-two thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.818297234 × 10¹⁰

Factors of 18182972340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 221

Divisors of 18182972340

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 81 89 90 108 109 117 130 135 156 162 178 180 195 218 234 260 267 270 324 327 351 356 390 405 436 445 468 534 540 545 585 654 702 780 801 810 890 981 1053 1068 1090 1157 1170 1308 1335 1404 1417 1602 1620 1635 1755 1780 1962 2106 2180 2314 2340 2403 2670 2834 2943 3204 3270 3471 3510 3924 4005 4212 4251 4628 4806 4905 5265 5340 5668 5785 5886 6540 6942 7020 7085 7209 7921 8010 8502 8829 9612 9701 9810 10413 10530 11570 11772 12015 12753 13884 14170 14418 14715 15842 16020 17004 17355 17658 19402 19620 20826 21060 21255 23140 23763 24030 25506 28340 28836 29103 29430 31239 31684 34710 35316 36045 38259 38804 39605 41652 42510 44145 47526 48060 48505 51012 52065 58206 58860 62478 63765 69420 71289 72090 76518 79210 85020 87309 88290 93717 95052 97010 102973 104130 114777 116412 118815 124956 126113 127530 142578 144180 145515 153036 156195 158420 174618 176580 187434 191295 194020 205946 208260 213867 229554 237630 252226 255060 261927 285156 291030 308919 312390 349236 356445 374868 378339 382590 411892 427734 436545 459108 468585 475260 504452 514865 523854 573885 582060 617838 624780 630565 641601 712890 756678 765180 785781 855468 863389 873090 926757 937170 1029730 1047708 1069335 1135017 1147770 1235676 1261130 1283202 1309635 1425780 1513356 1544595 1571562 1726778 1746180 1853514 1874340 1891695 2059460 2138670 2270034 2295540 2522260 2566404 2590167 2619270 2780271 3089190 3143124 3208005 3405051 3453556 3707028 3783390 3928905 4277340 4316945 4540068 4633785 5180334 5238540 5560542 5675085 6178380 6416010 6810102 7566780 7770501 7857810 8340813 8633890 9267570 10215153 10360668 11121084 11224057 11350170 12832020 12950835 13620204 13901355 15541002 15715620 16681626 17025255 17267780 18535140 20430306 22448114 22700340 23311503 25901670 27802710 31082004 33363252 33672171 34050510 38852505 40860612 41704065 44896228 46623006 51075765 51803340 55605420 56120285 67344342 68101020 69934509 77705010 83408130 93246012 101016513 102151530 112240570 116557515 134688684 139869018 155410020 166816260 168360855 202033026 204303060 224481140 233115030 279738036 303049539 336721710 349672545 404066052 466230060 505082565 606099078 673443420 699345090 909148617 1010165130 1212198156 1398690180 1515247695 1818297234 2020330260 3030495390 3636594468 4545743085 6060990780 9091486170 18182972340
• Sum of all divisors σ(n): 62696329080
• Sum of proper divisors (its aliquot sum) s(n): 44513356740
• 18182972340 is an abundant number, because the sum of its proper divisors (44513356740) is greater than itself. Its abundance is 26330384400

Bases of 18182972340

• Binary: 10000111011110010100010001110110100₂
• Hexadecimal: 0x43BCA23B4
• Base-36: 8CPO790

Squares and roots of 18182972340

• 18182972340 squared (18182972340²) is 330620483117205075600
• 18182972340 cubed (18182972340³) is 6011663099557576867742408904000
• The square root of 18182972340 is 134844.2521578135
• The cube root of 18182972340 is 2629.5915329921

Scales and comparisons

• 18,182,972,340 seconds is equal to 578 years, 8 weeks, 3 days, 1 hour, 39 minutes.
• To count from 1 to 18,182,972,340 would take you about one thousand, one hundred fifty-six 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 18182972340 cubic inches would be around 219.1 feet tall.

Recreational maths with 18182972340

• 18182972340 backwards is 04327928181
• 18182972340 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18182972340's digits is 45
• More coming soon!