18021500406

Names of 18021500406

• Cardinal: 18021500406 can be written as Eighteen billion, twenty-one million, five hundred thousand, four hundred six.

Scientific notation

• Scientific notation: 1.8021500406 × 10¹⁰

Factors of 18021500406

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 650

Divisors of 18021500406

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 67 78 91 117 126 127 134 182 189 201 234 254 273 351 378 381 402 431 469 546 603 702 762 819 862 871 889 938 1143 1206 1293 1407 1638 1651 1742 1778 1809 2286 2457 2586 2613 2667 2814 3017 3302 3429 3618 3879 4221 4914 4953 5226 5334 5603 6034 6097 6858 7758 7839 8001 8442 8509 9051 9906 11206 11557 11637 12194 12663 14859 15678 16002 16809 17018 18102 18291 23114 23274 23517 24003 25326 25527 27153 28877 29718 33618 34671 36582 39221 44577 47034 48006 50427 51054 54306 54737 54873 57754 59563 69342 76581 78442 81459 86631 89154 100854 104013 109474 109746 110617 117663 119126 151281 153162 162918 164211 164619 173262 178689 202139 208026 221234 229743 235326 259893 302562 312039 328422 329238 331851 352989 357378 375401 383159 404278 459486 492633 519786 536067 606417 624078 663702 705978 711581 750802 766318 774319 779679 985266 995553 1058967 1072134 1126203 1149477 1212834 1423162 1477899 1548638 1559358 1608201 1819251 1991106 2117934 2134743 2252406 2298954 2322957 2627807 2955798 2986659 3216402 3378609 3448431 3638502 3667379 4269486 4645914 4981067 5255614 5457753 5973318 6404229 6757218 6896862 6968871 7334758 7883421 9962134 10135827 10345293 10915506 11002137 12808458 13937742 14943201 15766842 19212687 20271654 20690586 20906613 22004274 23650263 25671653 29886402 33006411 38425374 41813226 44829603 47300526 47675927 51343306 66012822 70950789 77014959 89659206 95351854 99019233 134488809 141901578 143027781 154029918 198038466 231044877 268977618 286055562 333731489 429083343 462089754 667462978 693134631 858166686 1001194467 1287250029 1386269262 2002388934 2574500058 3003583401 6007166802 9010750203 18021500406
• Sum of all divisors σ(n): 50536120320
• Sum of proper divisors (its aliquot sum) s(n): 32514619914
• 18021500406 is an abundant number, because the sum of its proper divisors (32514619914) is greater than itself. Its abundance is 14493119508

Bases of 18021500406

• Binary: 10000110010001010100100010111110110₂
• Hexadecimal: 0x4322A45F6
• Base-36: 8A1JAPI

Squares and roots of 18021500406

• 18021500406 squared (18021500406²) is 324774476883458164836
• 18021500406 cubed (18021500406³) is 5852923367013678932275988923416
• The square root of 18021500406 is 134244.1820191847
• The cube root of 18021500406 is 2621.7844420607

Scales and comparisons

• 18,021,500,406 seconds is equal to 573 years, 1 week, 3 days, 4 hours, 20 minutes, 6 seconds.
• To count from 1 to 18,021,500,406 would take you about one thousand, one hundred forty-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 18021500406 cubic inches would be around 218.5 feet tall.

Recreational maths with 18021500406

• 18021500406 backwards is 60400512081
• 18021500406 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18021500406's digits is 27
• More coming soon!