18440393244

Names of 18440393244

• Cardinal: 18440393244 can be written as Eighteen billion, four hundred forty million, three hundred ninety-three thousand, two hundred forty-four.

Scientific notation

• Scientific notation: 1.8440393244 × 10¹⁰

Factors of 18440393244

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2080

Divisors of 18440393244

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 23 26 28 39 42 46 49 52 53 69 78 84 91 92 98 106 138 147 156 159 161 182 196 212 273 276 294 299 318 322 364 371 483 546 588 598 636 637 644 689 742 897 966 1092 1113 1127 1196 1219 1274 1378 1484 1794 1911 1932 1979 2067 2093 2226 2254 2438 2548 2597 2756 3381 3588 3657 3822 3958 4134 4186 4452 4508 4823 4876 5194 5937 6279 6762 7314 7644 7791 7916 8268 8372 8533 9646 10388 11874 12558 13524 13853 14469 14628 14651 15582 15847 17066 19292 23748 25116 25599 25727 27706 28938 29302 31164 31694 33761 34132 41559 43953 45517 47541 51198 51454 55412 57876 58604 59731 63388 67522 77181 83118 87906 91034 95082 96971 101283 102396 102908 104887 110929 119462 135044 136551 154362 166236 175812 179193 180089 182068 190164 193942 202566 209774 221858 238924 273102 290913 308724 314661 318619 332787 358386 360178 387884 405132 419548 443716 540267 546204 581826 591721 629322 637238 665574 716772 720356 734209 776503 955857 1080534 1163652 1183442 1258644 1260623 1274476 1331148 1363531 1468418 1553006 1775163 1911714 2161068 2202627 2230333 2329509 2366884 2412401 2521246 2727062 2936836 3106012 3550326 3781869 3823428 4090593 4142047 4405254 4460666 4659018 4824802 5042492 5139463 5454124 6690999 7100652 7237203 7563738 8181186 8284094 8810508 8921332 9318036 9544717 9649604 10278926 12426141 13381998 14474406 15127476 15418389 16362372 16568188 16886807 19089434 20557852 24852282 26763996 28634151 28948812 28994329 30836778 31361213 33773614 38178868 49704564 50660421 57268302 57988658 61673556 62722426 66813019 67547228 86982987 94083639 101320842 114536604 115977316 118207649 125444852 133626038 173965974 188167278 200439057 202641684 219528491 236415298 267252076 347931948 354622947 376334556 400878114 439056982 472830596 658585473 709245894 801756228 878113964 1317170946 1418491788 1536699437 2634341892 3073398874 4610098311 6146797748 9220196622 18440393244
• Sum of all divisors σ(n): 57336491520
• Sum of proper divisors (its aliquot sum) s(n): 38896098276
• 18440393244 is an abundant number, because the sum of its proper divisors (38896098276) is greater than itself. Its abundance is 20455705032

Bases of 18440393244

• Binary: 10001001011001000100001001000011100₂
• Hexadecimal: 0x44B22121C
• Base-36: 8GYXMHO

Squares and roots of 18440393244

• 18440393244 squared (18440393244²) is 340048102993360843536
• 18440393244 cubed (18440393244³) is 6270620741073787475995395470784
• The square root of 18440393244 is 135795.4095100419
• The cube root of 18440393244 is 2641.9426914117

Scales and comparisons

• 18,440,393,244 seconds is equal to 586 years, 18 weeks, 11 hours, 27 minutes, 24 seconds.
• To count from 1 to 18,440,393,244 would take you about one thousand, one hundred seventy-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 18440393244 cubic inches would be around 220.2 feet tall.

Recreational maths with 18440393244

• 18440393244 backwards is 44239304481
• 18440393244 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18440393244's digits is 42
• More coming soon!