68991010 is an even 8-digits composite number following 68991009
and preceding 68991011 . In scientific notation, it is written as 6.8991010 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 25087600 positive integers (up to 68991010) that are relatively prime to 68991010.
68991010 has 8 divisors, whose sum is 105368256
The reverse of 68991010 is 01019986
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-eight million nine hundred ninety-one thousand ten
Scientific notation
6.8991010 × 10^7
Engineering notation
6.8991010 × 10^6
Prime Factorization
2 × 55 × 627191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68991010
Product of the distinct prime numbers
The prime factorization of 68991010 is 2 × 55 × 627191.
Since it has a total of 3 prime factors.
7 , 1 , 15 , 74 , 15 , 982 , 8863 , 4016 , 33329 , 52916 , 563489 , 925705 , 5050405 , 9724494 , 71026677 , 76221159 , 617920903 , 685441523 , 8985724162 , 2267513417
n×2
137982020
n×3
206973030
n×4
275964040
n×5
344955050
n÷2
34495505
n÷3
22997003.333333
n÷3
17247752.5
n÷5
13798202
n2
4759759460820100
n3
3.2838061255903E+23
n4
2.2655310124866E+31
n5
1.5630127273778E+39
2 √n
8306.0827108812
3 √n
410.13877911554
4 √n
91.137712890335
5 √n
36.962258549356
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
-68991009
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 68991010 can be divided by 8 positive divisors.
The sum of these divisors (counting 68991010) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000111001011100000100010
3
Ternary
11210211002212121
4
Quaternary
10013023200202
5
Quinary
120130203020
6
Senary
10502414454
8
Octal
407134042
10
Decimal
68991010
12
Duodecimal
1b13142a
16
Hexadecimal
41cb822
20
Vigesimal
11b3haa
36
Base36
152psy
md5
7851ac8f77fb3de4f62db6f47b679990
sha1
b3aab0015d184aaecc0c409317415e396a08cb0b
sha256
d4c0b85a7ec492393879e085127d0b30f60e09d9a47f5f8bde3486264e6d00c0
sha512
9a0be0f95a022ba09f615d9af9714162f5e16e9bad4adb59838773a3a044861844df639e1350b00c634968b6d0b5393b6d8a7df517fd34bb751515f598188bcc
ripemd-160
593511b26de1cd0ce09679b93a3120ead6b0375f
Diameter
137982020
Circumference
433483300.35948
Area
1.4953225354967E+16
Volume
1.375517493329E+24
Surface area
5.9812901419868E+16
Circumference
433483300.35948
Perimeter
275964040
Area
4759759460820100
Diagonal
97568022.023818
Surface area
28558556764920600
Volume
3.2838061255903E+23
Space diagonal
119495934.58549
Perimeter
206973030
Area
2.0610363044868E+15
Altitude
59747967.292746
Surface area
2.0610363044868E+15
Volume
3.8700026325114E+22
Height
32522674.007939