18021502044

Names of 18021502044

• Cardinal: 18021502044 can be written as Eighteen billion, twenty-one million, five hundred two thousand and forty-four.

Scientific notation

• Scientific notation: 1.8021502044 × 10¹⁰

Factors of 18021502044

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1837

Divisors of 18021502044

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 49 52 63 78 84 91 98 117 126 147 156 182 196 234 252 273 294 364 441 468 546 588 637 719 819 882 1092 1093 1274 1438 1638 1764 1911 2157 2186 2548 2876 3276 3279 3822 4314 4372 5033 5733 6471 6558 7644 7651 8628 9347 9837 10066 11466 12942 13116 14209 15099 15302 18694 19674 20132 22932 22953 25884 28041 28418 30198 30604 35231 37388 39348 42627 45297 45906 53557 56082 56836 60396 65429 68859 70462 84123 85254 90594 91812 99463 105693 107114 112164 127881 130858 137718 140924 160671 168246 170508 181188 196287 198926 211386 214228 255762 261716 275436 298389 317079 321342 336492 392574 397852 422772 458003 482013 511524 588861 596778 634158 642684 696241 785148 785867 895167 916006 964026 1177722 1193556 1268316 1374009 1392482 1571734 1790334 1832012 1928052 2088723 2355444 2357601 2748018 2784964 3143468 3580668 4122027 4177446 4715202 5496036 5501069 6266169 7072803 8244054 8354892 9430404 10216271 11002138 12532338 14145606 16488108 16503207 20432542 22004276 25064676 28291212 30648813 33006414 38507483 40865084 49509621 61297626 66012828 71513897 77014966 91946439 99019242 115522449 122595252 143027794 154029932 183892878 198038484 214541691 231044898 286055588 346567347 367785756 429083382 462089796 500597279 643625073 693134694 858166764 1001194558 1287250146 1386269388 1501791837 2002389116 2574500292 3003583674 4505375511 6007167348 9010751022 18021502044
• Sum of all divisors σ(n): 57199746240
• Sum of proper divisors (its aliquot sum) s(n): 39178244196
• 18021502044 is an abundant number, because the sum of its proper divisors (39178244196) is greater than itself. Its abundance is 21156742152

Bases of 18021502044

• Binary: 10000110010001010100100110001011100₂
• Hexadecimal: 0x4322A4C5C
• Base-36: 8A1JBZ0

Squares and roots of 18021502044

• 18021502044 squared (18021502044²) is 324774535921896177936
• 18021502044 cubed (18021502044³) is 5852924962955603395029411701184
• The square root of 18021502044 is 134244.1881200073
• The cube root of 18021502044 is 2621.7845214933

Scales and comparisons

• 18,021,502,044 seconds is equal to 573 years, 1 week, 3 days, 4 hours, 47 minutes, 24 seconds.
• To count from 1 to 18,021,502,044 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 18021502044 cubic inches would be around 218.5 feet tall.

Recreational maths with 18021502044

• 18021502044 backwards is 44020512081
• The number of decimal digits it has is: 11
• The sum of 18021502044's digits is 27
• More coming soon!