68888947 is an odd 8-digits composite number following 68888946
and preceding 68888948 . In scientific notation, it is written as 6.8888947 × 10^7.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 63772800 positive integers (up to 68888947) that are relatively prime to 68888947.
68888947 has 8 divisors, whose sum is 74138112
The reverse of 68888947 is 74988886
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4
Name
sixty-eight million eight hundred eighty-eight thousand nine hundred forty-seven
Scientific notation
6.8888947 × 10^7
Engineering notation
6.8888947 × 10^6
Prime Factorization
17 × 61 × 66431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68888947
Product of the distinct prime numbers
The prime factorization of 68888947 is 17 × 61 × 66431.
Since it has a total of 3 prime factors.
7 , 2 , 2 , 96 , 116 , 668 , 9311 , 6050 , 1395 , 56024 , 91267 , 874101 , 9935933 , 8699962 , 76544062 , 20907564 , 143703665 , 122517961 , 3001467295 , 6222649472
n×2
137777894
n×3
206666841
n×4
275555788
n×5
344444735
n÷2
34444473.5
n÷3
22962982.333333
n÷3
17222236.75
n÷5
13777789.4
n2
4745687018768809
n3
3.2692538151455E+23
n4
2.2521545280111E+31
n5
1.5514855391597E+39
2 √n
8299.9365660227
3 √n
409.93643075504
4 √n
91.103987651599
5 √n
36.951315925586
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68888946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68888947 can be divided by 8 positive divisors.
The sum of these divisors (counting 68888947) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110110010100101110011
3
Ternary
11210121220212111
4
Quaternary
10012302211303
5
Quinary
120113421242
6
Senary
10500310151
8
Octal
406624563
10
Decimal
68888947
12
Duodecimal
1b0a2357
16
Hexadecimal
41b2973
20
Vigesimal
11ab277
36
Base36
150j1v
md5
9031052a78ff55474723371f688a9596
sha1
de034ba47d5c2ed39144a31e39b03c4af6f7655c
sha256
bd5b9da2ea88d0327809a48b04c169ffde59dec2bcefeb085a951a130687d947
sha512
8b3776f5b632201db33d7b7f079c2f1704a39da9188bb79d981489527d29c3b3761cf22f5f3ea1ba1f1ae09caab4938e2bf34af2c84dccca4444a532bc559906
ripemd-160
8163426805ee00ca681f3773c81f51d15ad67ad8
Diameter
137777894
Circumference
432842019.61747
Area
1.4909015474401E+16
Volume
1.3694218357842E+24
Surface area
5.9636061897602E+16
Circumference
432842019.61747
Perimeter
275555788
Area
4745687018768809
Diagonal
97423683.145001
Surface area
28474122112612854
Volume
3.2692538151455E+23
Space diagonal
119319156.28392
Perimeter
206666841
Area
2.0549427583319E+15
Altitude
59659578.14196
Surface area
2.0549427583319E+15
Volume
3.8528525701823E+22
Height
32474561.048334