18142749846

Names of 18142749846

• Cardinal: 18142749846 can be written as Eighteen billion, one hundred forty-two million, seven hundred forty-nine thousand, eight hundred forty-six.

Scientific notation

• Scientific notation: 1.8142749846 × 10¹⁰

Factors of 18142749846

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7682

Divisors of 18142749846

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 117 127 162 234 243 254 351 381 486 702 729 762 1053 1143 1458 1651 2106 2286 3159 3302 3429 4953 6318 6858 7537 9477 9906 10287 14859 15074 18954 20574 22611 29718 30861 44577 45222 61722 67833 89154 92583 97981 133731 135666 185166 195962 203499 267462 293943 401193 406998 587886 610497 802386 881829 957199 1203579 1220994 1763658 1831491 1914398 2407158 2645487 2871597 3662982 5290974 5494473 5743194 7936461 8614791 10988946 12443587 15872922 17229582 23809383 24887174 25844373 37330761 47618766 51688746 71428149 74661522 77533119 111992283 142856298 155066238 223984566 232599357 335976849 465198714 671953698 697798071 1007930547 1395596142 2015861094 3023791641 6047583282 9071374923 18142749846
• Sum of all divisors σ(n): 44293046784
• Sum of proper divisors (its aliquot sum) s(n): 26150296938
• 18142749846 is an abundant number, because the sum of its proper divisors (26150296938) is greater than itself. Its abundance is 8007547092

Bases of 18142749846

• Binary: 10000111001011001000110010010010110₂
• Hexadecimal: 0x439646496
• Base-36: 8C1Q3DI

Squares and roots of 18142749846

• 18142749846 squared (18142749846²) is 329159371974533023716
• 18142749846 cubed (18142749846³) is 5971856145200415731945373347736
• The square root of 18142749846 is 134695.0253201655
• The cube root of 18142749846 is 2627.6511312087

Scales and comparisons

• 18,142,749,846 seconds is equal to 576 years, 45 weeks, 6 days, 12 hours, 44 minutes, 6 seconds.
• To count from 1 to 18,142,749,846 would take you about one thousand, one hundred fifty-three 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 18142749846 cubic inches would be around 219 feet tall.

Recreational maths with 18142749846

• 18142749846 backwards is 64894724181
• 18142749846 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18142749846's digits is 54
• More coming soon!