164394721413

Names of 164394721413

• Cardinal: 164394721413 can be written as One hundred sixty-four billion, three hundred ninety-four million, seven hundred twenty-one thousand, four hundred thirteen.

Scientific notation

• Scientific notation: 1.64394721413 × 10¹¹

Factors of 164394721413

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 555

Divisors of 164394721413

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 13 29 39 61 87 117 183 261 377 449 549 793 841 1131 1347 1769 2379 2523 3393 3721 4041 5307 5837 7137 7569 10933 11163 13021 15921 17511 22997 27389 32799 33489 39063 48373 51301 52533 68991 82167 98397 107909 117189 145119 153903 169273 206973 246501 323727 356057 377609 435357 461709 507819 666913 794281 971181 1068171 1132827 1402817 1523457 1670729 2000739 2382843 3129361 3204513 3398481 4208451 4908917 5012187 6002217 7148529 9388083 10325653 12625353 14726751 15036561 21719477 23034149 28164249 30976959 40681693 44180253 48451141 65158431 69102447 92930877 122045079 145353423 195475293 207307341 299443937 366135237 436060269 629864833 898331811 1405083089 1889594499 2694995433 4215249267 5668783497 12645747801 18266080157 54798240471 164394721413
• Sum of all divisors σ(n): 269859926700
• Sum of proper divisors (its aliquot sum) s(n): 105465205287
• 164394721413 is a deficient number, because the sum of its proper divisors (105465205287) is less than itself. Its deficiency is 58929516126

Bases of 164394721413

• Binary: 10011001000110101100000110000010000101₂
• Hexadecimal: 0x2646B06085
• Base-36: 23ISDEV9

Squares and roots of 164394721413

• 164394721413 squared (164394721413²) is 27025624428457880716569
• 164394721413 cubed (164394721413³) is 4442869998928700649604745568191997
• The square root of 164394721413 is 405456.1892646355
• The cube root of 164394721413 is 5478.0915954649

Scales and comparisons

• 164,394,721,413 seconds is equal to 5,227 years, 12 weeks, 4 days, 16 hours, 23 minutes, 33 seconds.
• To count from 1 to 164,394,721,413 would take you about ten thousand, four hundred fifty-four 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 164394721413 cubic inches would be around 456.5 feet tall.

Recreational maths with 164394721413

• 164394721413 backwards is 314127493461
• The number of decimal digits it has is: 12
• The sum of 164394721413's digits is 45
• More coming soon!