438494434728

Names of 438494434728

• Cardinal: 438494434728 can be written as Four hundred thirty-eight billion, four hundred ninety-four million, four hundred thirty-four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.38494434728 × 10¹¹

Factors of 438494434728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1146

Divisors of 438494434728

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 47 56 84 94 141 168 188 282 329 376 564 658 987 1087 1128 1316 1974 2174 2209 2632 3261 3948 4348 4418 6522 6627 7609 7896 8696 8836 13044 13254 15218 15463 17672 22827 26088 26508 30436 30926 45654 46389 51089 53016 60872 61852 91308 92778 102178 123704 153267 182616 185556 204356 306534 357623 371112 408712 613068 715246 1072869 1181569 1226136 1430492 2145738 2363138 2401183 2860984 3544707 4291476 4726276 4802366 7089414 7203549 8270983 8582952 9452552 9604732 14178828 14407098 16541966 16808281 19209464 24812949 28357656 28814196 33083932 33616562 49625898 50424843 55533743 57628392 66167864 67233124 99251796 100849686 111067486 134466248 166601229 198503592 201699372 222134972 333202458 388736201 403398744 444269944 666404916 777472402 1166208603 1332809832 1554944804 2332417206 2610085921 3109889608 4664834412 5220171842 7830257763 9329668824 10440343684 15660515526 18270601447 20880687368 31321031052 36541202894 54811804341 62642062104 73082405788 109623608682 146164811576 219247217364 438494434728
• Sum of all divisors σ(n): 1281243287520
• Sum of proper divisors (its aliquot sum) s(n): 842748852792
• 438494434728 is an abundant number, because the sum of its proper divisors (842748852792) is greater than itself. Its abundance is 404254418064

Bases of 438494434728

• Binary: 110011000011000010011100001010110101000₂
• Hexadecimal: 0x66184E15A8
• Base-36: 5LFW9J8O

Squares and roots of 438494434728

• 438494434728 squared (438494434728²) is 192277369287428252433984
• 438494434728 cubed (438494434728³) is 84312556356677759707896704216996352
• The square root of 438494434728 is 662189.1230819183
• The cube root of 438494434728 is 7597.2198668343

Scales and comparisons

• 438,494,434,728 seconds is equal to 13,942 years, 39 weeks, 6 days, 1 hour, 38 minutes, 48 seconds.
• To count from 1 to 438,494,434,728 would take you about twenty-seven thousand, eight hundred eighty-five 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 438494434728 cubic inches would be around 633.1 feet tall.

Recreational maths with 438494434728

• 438494434728 backwards is 827434494834
• The number of decimal digits it has is: 12
• The sum of 438494434728's digits is 60
• More coming soon!