18879866649168

Names of 18879866649168

• Cardinal: 18879866649168 can be written as Eighteen trillion, eight hundred seventy-nine billion, eight hundred sixty-six million, six hundred forty-nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8879866649168 × 10¹³

Factors of 18879866649168

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 697999

Divisors of 18879866649168

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 197 336 394 409 591 788 818 1182 1227 1379 1576 1636 2364 2454 2758 2863 3152 3272 4137 4728 4908 5516 5726 6544 8274 8589 9456 9816 11032 11452 16548 17178 19632 22064 22904 33096 34356 45808 66192 68712 80573 137424 161146 241719 322292 483438 564011 644584 697381 966876 1128022 1289168 1394762 1692033 1933752 2092143 2256044 2789524 3384066 3867504 4184286 4512088 4881667 5579048 6768132 8368572 9024176 9763334 11158096 13536264 14645001 16737144 19526668 27072528 29290002 33474288 39053336 58580004 78106672 117160008 137384057 234320016 274768114 285228829 412152171 549536228 570457658 824304342 855686487 961688399 1099072456 1140915316 1648608684 1711372974 1923376798 1996601803 2198144912 2281830632 2885065197 3297217368 3422745948 3846753596 3993203606 4563661264 5770130394 5989805409 6594434736 6845491896 7693507192 7986407212 11540260788 11979610818 13690983792 15387014384 15972814424 23080521576 23959221636 31945628848 46161043152 47918443272 56190079313 95836886544 112380158626 168570237939 224760317252 337140475878 393330555191 449520634504 674280951756 786661110382 899041269008 1179991665573 1348561903512 1573322220764 2359983331146 2697123807024 3146644441528 4719966662292 6293288883056 9439933324584 18879866649168
• Sum of all divisors σ(n): 56160562993920
• Sum of proper divisors (its aliquot sum) s(n): 37280696344752
• 18879866649168 is an abundant number, because the sum of its proper divisors (37280696344752) is greater than itself. Its abundance is 18400829695584

Bases of 18879866649168

• Binary: 100010010101111001111101111101011101001010000₂
• Hexadecimal: 0x112BCFBEBA50
• Base-36: 6OXAH50EO

Squares and roots of 18879866649168

• 18879866649168 squared (18879866649168²) is 356449364690366124395092224
• 18879866649168 cubed (18879866649168³) is 6729716472534765096834268488075212869632
• The square root of 18879866649168 is 4345096.8515290887
• The cube root of 18879866649168 is 26627.6582352345

Scales and comparisons

• 18,879,866,649,168 seconds is equal to 600,321 years, 18 weeks, 5 days, 2 hours, 32 minutes, 48 seconds.
• To count from 1 to 18,879,866,649,168 would take you about one million, five hundred thousand, eight hundred 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 18879866649168 cubic inches would be around 2219 feet tall.

Recreational maths with 18879866649168

• 18879866649168 backwards is 86194666897881
• The number of decimal digits it has is: 14
• The sum of 18879866649168's digits is 87
• More coming soon!