68888909 is an odd 8-digits composite number following 68888908
and preceding 68888910 . In scientific notation, it is written as 6.8888909 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 68812380 positive integers (up to 68888909) that are relatively prime to 68888909.
68888909 has 4 divisors, whose sum is 68965440
The reverse of 68888909 is 90988886
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-eight million eight hundred eighty-eight thousand nine hundred nine
Scientific notation
6.8888909 × 10^7
Engineering notation
6.8888909 × 10^6
Prime Factorization
911 × 75619
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68888909
Product of the distinct prime numbers
The prime factorization of 68888909 is 911 × 75619.
Since it has a total of 2 prime factors.
5 , 9 , 29 , 26 , 175 , 514 , 9136 , 3642 , 91109 , 62997 , 479876 , 89570 , 9031455 , 9765969 , 6311028 , 36168599 , 295759443 , 833833614 , 1985968653 , 8850784944
n×2
137777818
n×3
206666727
n×4
275555636
n×5
344444545
n÷2
34444454.5
n÷3
22962969.666667
n÷3
17222227.25
n÷5
13777781.8
n2
4745681783210281
n3
3.2692484050653E+23
n4
2.2521495587494E+31
n5
1.5514812600708E+39
2 √n
8299.9342768482
3 √n
409.93635537968
4 √n
91.103975088073
5 √n
36.951311849024
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68888908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68888909 can be divided by 4 positive divisors.
The sum of these divisors (counting 68888909) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000110110010100101001101
3
Ternary
11210121220211002
4
Quaternary
10012302211031
5
Quinary
120113421114
6
Senary
10500310045
8
Octal
406624515
10
Decimal
68888909
12
Duodecimal
1b0a2325
16
Hexadecimal
41b294d
20
Vigesimal
11ab259
36
Base36
150j0t
md5
4ff7c93c908f79518000211354cab654
sha1
20670c76dcb6f6db4b2734064e1348c025efec94
sha256
3a0e52cca2814e626352306fec0a633e19c38b54c6b2c47d173faa777f26ad2a
sha512
1d20ca7e70740cb25690337fdefa7d9751cb671d20eb823e8019f92e63cf284152cfbe52571fac358fb1fdb2ba5aab9077d5c0d062ffbedffa44bd3940c4954e
ripemd-160
7c2be8daed6375151cd18b24b595aec0c37ec45c
Diameter
137777818
Circumference
432841780.85643
Area
1.4908999026408E+16
Volume
1.3694195696151E+24
Surface area
5.9635996105633E+16
Circumference
432841780.85643
Perimeter
275555636
Area
4745681783210281
Diagonal
97423629.404886
Surface area
28474090699261686
Volume
3.2692484050653E+23
Space diagonal
119319090.46599
Perimeter
206666727
Area
2.0549404912686E+15
Altitude
59659545.232994
Surface area
2.0549404912686E+15
Volume
3.8528461943416E+22
Height
32474543.134962