168345860040

Names of 168345860040

• Cardinal: 168345860040 can be written as One hundred sixty-eight billion, three hundred forty-five million, eight hundred sixty thousand and forty.

Scientific notation

• Scientific notation: 1.6834586004 × 10¹¹

Factors of 168345860040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1668

Divisors of 168345860040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 229 360 458 687 916 1145 1374 1429 1832 2061 2290 2748 2858 3435 4122 4287 4580 5496 5716 6870 7145 8244 8574 9160 10305 11432 12861 13740 14290 16488 17148 20610 21435 25722 27480 28580 34296 41220 42870 51444 57160 64305 82440 85740 102888 128610 171480 257220 327241 514440 654482 981723 1308964 1636205 1963446 2042041 2617928 2945169 3272410 3926892 4084082 4908615 5890338 6126123 6544820 7853784 8168164 9817230 10210205 11780676 12252246 13089640 14725845 16336328 18378369 19634460 20420410 23561352 24504492 29451690 30630615 36756738 39268920 40840820 49008984 58903380 61261230 73513476 81681640 91891845 117806760 122522460 147026952 183783690 245044920 367567380 467627389 735134760 935254778 1402882167 1870509556 2338136945 2805764334 3741019112 4208646501 4676273890 5611528668 7014410835 8417293002 9352547780 11223057336 14028821670 16834586004 18705095560 21043232505 28057643340 33669172008 42086465010 56115286680 84172930020 168345860040
• Sum of all divisors σ(n): 549898046100
• Sum of proper divisors (its aliquot sum) s(n): 381552186060
• 168345860040 is an abundant number, because the sum of its proper divisors (381552186060) is greater than itself. Its abundance is 213206326020

Bases of 168345860040

• Binary: 10011100110010001100011111011111001000₂
• Hexadecimal: 0x273231F7C8
• Base-36: 25C4S0Y0

Squares and roots of 168345860040

• 168345860040 squared (168345860040²) is 28340328592607268801600
• 168345860040 cubed (168345860040³) is 4770976990738673452360812128064000
• The square root of 168345860040 is 410299.7197659291
• The cube root of 168345860040 is 5521.6322716983

Scales and comparisons

• 168,345,860,040 seconds is equal to 5,352 years, 45 weeks, 4 days, 10 hours, 54 minutes.
• To count from 1 to 168,345,860,040 would take you about ten thousand, seven hundred 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 168345860040 cubic inches would be around 460.1 feet tall.

Recreational maths with 168345860040

• 168345860040 backwards is 040068543861
• 168345860040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168345860040's digits is 45
• More coming soon!