68888918 is an even 8-digits composite number following 68888917
and preceding 68888919 . In scientific notation, it is written as 6.8888918 × 10^7.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 29327400 positive integers (up to 68888918) that are relatively prime to 68888918.
68888918 has 16 divisors, whose sum is 118881024
The reverse of 68888918 is 81988886
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-eight million eight hundred eighty-eight thousand nine hundred eighteen
Scientific notation
6.8888918 × 10^7
Engineering notation
6.8888918 × 10^6
Prime Factorization
2 × 7 × 151 × 32587
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68888918
Product of the distinct prime numbers
The prime factorization of 68888918 is 2 × 7 × 151 × 32587.
Since it has a total of 4 prime factors.
8 , 7 , 58 , 52 , 98 , 821 , 3175 , 9142 , 78640 , 784 , 18325 , 511184 , 3583739 , 6185364 , 22851383 , 78332444 , 496886738 , 979108425 , 6648619861 , 3222504090
n×2
137777836
n×3
206666754
n×4
275555672
n×5
344444590
n÷2
34444459
n÷3
22962972.666667
n÷3
17222229.5
n÷5
13777783.6
n2
4745683023210724
n3
3.2692496863996E+23
n4
2.252150735679E+31
n5
1.5514822735383E+39
2 √n
8299.9348190212
3 √n
409.93637323174
4 √n
91.103978063645
5 √n
36.951312814526
1 , 2 , 7 , 14 , 151 , 302 , 1057 , 2114 , 32587 , 65174 , 228109 , 456218 , 4920637 , 9841274 , 34444459 , 68888918
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68888917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68888918 can be divided by 16 positive divisors.
The sum of these divisors (counting 68888918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110110010100101010110
3
Ternary
11210121220211102
4
Quaternary
10012302211112
5
Quinary
120113421133
6
Senary
10500310102
8
Octal
406624526
10
Decimal
68888918
12
Duodecimal
1b0a2332
16
Hexadecimal
41b2956
20
Vigesimal
11ab25i
36
Base36
150j12
md5
ee89efa2bdc61098063cb53806801b09
sha1
7c035043dd5c1d48ef7471fef4e011ef30bdcb37
sha256
18a129592b38e31a8450f8ade1a10cc8a8c8df62e78984ad9865d85d5117c055
sha512
c445112a9b023a46a1418cd9f932d14266bd770380ab8d1c81b7cffc1c9052dd88d77a2e74992344ed7607447b30963a77806ea50ff53a7969823a9662d3377b
ripemd-160
22414ac50a7d274a30e0d69cd4493e1a1d83fd7a
Diameter
137777836
Circumference
432841837.4051
Area
1.4909002921985E+16
Volume
1.3694201063391E+24
Surface area
5.9636011687938E+16
Circumference
432841837.4051
Perimeter
275555672
Area
4745683023210724
Diagonal
97423642.132808
Surface area
28474098139264344
Volume
3.2692496863996E+23
Space diagonal
119319106.05445
Perimeter
206666754
Area
2.0549410282045E+15
Altitude
59659553.027223
Surface area
2.0549410282045E+15
Volume
3.8528477044085E+22
Height
32474547.377603