68664440 is an even 8-digits composite number following 68664439
and preceding 68664441 . In scientific notation, it is written as 6.8664440 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 25352832 positive integers (up to 68664440) that are relatively prime to 68664440.
68664440 has 32 divisors, whose sum is 166380480
The reverse of 68664440 is 04446686
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million six hundred sixty-four thousand four hundred forty
Scientific notation
6.8664440 × 10^7
Engineering notation
6.8664440 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 13 × 132047
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17166110
Product of the distinct prime numbers
The prime factorization of 68664440 is 2 × 2 × 2 × 5 × 13 × 132047.
Since it has a total of 6 prime factors.
1 , 7 , 88 , 52 , 909 , 553 , 1086 , 8858 , 43081 , 99823 , 237974 , 124319 , 8913281 , 8630880 , 45763013 , 85358978 , 651367573 , 495871496 , 5619695116 , 7667828622
n×2
137328880
n×3
205993320
n×4
274657760
n×5
343322200
n÷2
34332220
n÷3
22888146.666667
n÷3
17166110
n÷5
13732888
n2
4714805320513600
n3
3.2373946704209E+23
n4
2.2229389210343E+31
n5
1.5263685616703E+39
2 √n
8286.4009075111
3 √n
409.49062262509
4 √n
91.029670478977
5 √n
36.927199822834
1 , 2 , 4 , 5 , 8 , 10 , 13 , 20 , 26 , 40 , 52 , 65 , 104 , 130 , 260 , 520 , 132047 , 264094 , 528188 , 660235 , 1056376 , 1320470 , 1716611 , 2640940 , 3433222 , 5281880 , 6866444 , 8583055 , 13732888 , 17166110 , 34332220 , 68664440
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68664439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68664440 can be divided by 32 positive divisors.
The sum of these divisors (counting 68664440) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000101111011110001111000
3
Ternary
11210012111220102
4
Quaternary
10011323301320
5
Quinary
120034230230
6
Senary
10451414532
8
Octal
405736170
10
Decimal
68664440
12
Duodecimal
1abb4448
16
Hexadecimal
417bc78
20
Vigesimal
1193120
36
Base36
14vptk
md5
d751de31bfda4f1afaf3b34eca1bb78b
sha1
0eca593b7029cec5089133419324ea568db2ab50
sha256
a3a28fbac5ae3703a636d554d94a6a58a669340ff779bafc840f885c65a75544
sha512
3bdd9938163d46a901fd7cd6457581d1b7725760b7cf770d1e5dc53d4974a28e3fc5003e88278900a25b0190ad3075aca9c92822d7a77e6d0b58cddbf67b0453
ripemd-160
8dddeda5e1fd4f663185b77312cd3e4643bd36bf
Diameter
137328880
Circumference
431431400.53371
Area
1.4811997758032E+16
Volume
1.3560767084487E+24
Surface area
5.9247991032126E+16
Circumference
431431400.53371
Perimeter
274657760
Area
4714805320513600
Diagonal
97106182.300754
Surface area
28288831923081600
Volume
3.2373946704209E+23
Space diagonal
118930298.75326
Perimeter
205993320
Area
2.0415705907314E+15
Altitude
59465149.376632
Surface area
2.0415705907314E+15
Volume
3.815306208053E+22
Height
32368727.433585