165121216000

Names of 165121216000

• Cardinal: 165121216000 can be written as One hundred sixty-five billion, one hundred twenty-one million, two hundred sixteen thousand.

Scientific notation

• Scientific notation: 1.65121216 × 10¹¹

Factors of 165121216000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 198483

Divisors of 165121216000

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 125 128 130 160 200 208 250 256 260 320 325 400 416 500 512 520 640 650 800 832 1000 1040 1280 1300 1600 1625 1664 2000 2080 2560 2600 3200 3250 3328 4000 4160 5200 6400 6500 6656 8000 8320 10400 12800 13000 16000 16640 20800 26000 32000 33280 41600 52000 64000 83200 104000 166400 198463 208000 396926 416000 793852 832000 992315 1587704 1984630 2580019 3175408 3969260 4961575 5160038 6350816 7938520 9923150 10320076 12701632 12900095 15877040 19846300 20640152 24807875 25403264 25800190 31754080 39692600 41280304 49615750 50806528 51600380 63508160 64500475 79385200 82560608 99231500 101613056 103200760 127016320 129000950 158770400 165121216 198463000 206401520 254032640 258001900 317540800 322502375 330242432 396926000 412803040 508065280 516003800 635081600 645004750 660484864 793852000 825606080 1032007600 1270163200 1290009500 1320969728 1587704000 1651212160 2064015200 2540326400 2580019000 3175408000 3302424320 4128030400 5160038000 6350816000 6604848640 8256060800 10320076000 12701632000 16512121600 20640152000 33024243200 41280304000 82560608000 165121216000
• Sum of all divisors σ(n): 443414619648
• Sum of proper divisors (its aliquot sum) s(n): 278293403648
• 165121216000 is an abundant number, because the sum of its proper divisors (278293403648) is greater than itself. Its abundance is 113172187648

Bases of 165121216000

• Binary: 10011001110001111111011100111000000000₂
• Hexadecimal: 0x2671FDCE00
• Base-36: 23USWPOG

Squares and roots of 165121216000

• 165121216000 squared (165121216000²) is 27265015973318656000000
• 165121216000 cubed (165121216000³) is 4502032591773800034205696000000000
• The square root of 165121216000 is 406351.0994201937
• The cube root of 165121216000 is 5486.1493475223

Scales and comparisons

• 165,121,216,000 seconds is equal to 5,250 years, 17 weeks, 6 days, 4 hours, 26 minutes, 40 seconds.
• To count from 1 to 165,121,216,000 would take you about ten thousand, five hundred 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 165121216000 cubic inches would be around 457.2 feet tall.

Recreational maths with 165121216000

• 165121216000 backwards is 000612121561
• 165121216000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 165121216000's digits is 25
• More coming soon!