168461648740

Names of 168461648740

• Cardinal: 168461648740 can be written as One hundred sixty-eight billion, four hundred sixty-one million, six hundred forty-eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.6846164874 × 10¹¹

Factors of 168461648740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10484

Divisors of 168461648740

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 10459 20918 41836 52295 73213 104590 115049 146426 209180 230098 292852 366065 460196 575245 732130 805343 1150490 1464260 1610686 2300980 3221372 4026715 8053430 16106860 109390681 218781362 437562724 546953405 765734767 1093906810 1203297491 1531469534 2187813620 2406594982 3062939068 3828673835 4813189964 6016487455 7657347670 8423082437 12032974910 15314695340 16846164874 24065949820 33692329748 42115412185 84230824370 168461648740
• Sum of all divisors σ(n): 441105400512
• Sum of proper divisors (its aliquot sum) s(n): 272643751772
• 168461648740 is an abundant number, because the sum of its proper divisors (272643751772) is greater than itself. Its abundance is 104182103032

Bases of 168461648740

• Binary: 10011100111001000110001100001101100100₂
• Hexadecimal: 0x273918C364
• Base-36: 25E1PS2S

Squares and roots of 168461648740

• 168461648740 squared (168461648740²) is 28379327096199143587600
• 168461648740 cubed (168461648740³) is 4780828232757464316143094619624000
• The square root of 168461648740 is 410440.7980939515
• The cube root of 168461648740 is 5522.8979123619

Scales and comparisons

• 168,461,648,740 seconds is equal to 5,356 years, 29 weeks, 14 hours, 25 minutes, 40 seconds.
• To count from 1 to 168,461,648,740 would take you about ten thousand, seven hundred thirteen 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 168461648740 cubic inches would be around 460.2 feet tall.

Recreational maths with 168461648740

• 168461648740 backwards is 047846164861
• 168461648740 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168461648740's digits is 55
• More coming soon!