68102015 is an odd 8-digits composite number following 68102014
and preceding 68102016 . In scientific notation, it is written as 6.8102015 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 52602624 positive integers (up to 68102015) that are relatively prime to 68102015.
68102015 has 16 divisors, whose sum is 84575232
The reverse of 68102015 is 51020186
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
sixty-eight million one hundred two thousand fifteen
Scientific notation
6.8102015 × 10^7
Engineering notation
6.8102015 × 10^6
Prime Factorization
5 × 37 × 137 × 2687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68102015
Product of the distinct prime numbers
The prime factorization of 68102015 is 5 × 37 × 137 × 2687.
Since it has a total of 4 prime factors.
5 , 7 , 65 , 57 , 138 , 231 , 4614 , 8979 , 76076 , 63730 , 840449 , 422300 , 7356141 , 7776126 , 89463397 , 20326414 , 380561106 , 866088768 , 6688498184 , 1416817132
n×2
136204030
n×3
204306045
n×4
272408060
n×5
340510075
n÷2
34051007.5
n÷3
22700671.666667
n÷3
17025503.75
n÷5
13620403
n2
4637884447060225
n3
3.1584927618196E+23
n4
2.1509972144283E+31
n5
1.4648724456196E+39
2 √n
8252.3945009918
3 √n
408.3695209726
4 √n
90.842690960758
5 √n
36.866507089065
1 , 5 , 37 , 137 , 185 , 685 , 2687 , 5069 , 13435 , 25345 , 99419 , 368119 , 497095 , 1840595 , 13620403 , 68102015
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
-68102014
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 68102015 can be divided by 16 positive divisors.
The sum of these divisors (counting 68102015) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000011110010011101111111
3
Ternary
11202010221101212
4
Quaternary
10003302131333
5
Quinary
114413231030
6
Senary
10431355035
8
Octal
403623577
10
Decimal
68102015
12
Duodecimal
1a982a7b
16
Hexadecimal
40f277f
20
Vigesimal
115cf0f
36
Base36
14jnun
md5
5cdc77cd27bf925742ea53a1689cae1d
sha1
5979c5ce00e0e537799d0e01a83a0e085fb0f1ca
sha256
dc74e27909e2dae7123a03364a9bc00d1df0c6f9328d71544b2ff8b96e3cec55
sha512
d5909b7698719e74280021f5ca33bd327f5fc91b056f1e880ef08c72eabedf8786ad84f090901040aa4d7212e2c17d7fce749d43177ac38729c2a0c54ffa6e58
ripemd-160
eb10c233a1433cd85b91ce4d4b97ce35c56e447c
Diameter
136204030
Circumference
427897580.03732
Area
1.4570343707083E+16
Volume
1.3230263542599E+24
Surface area
5.8281374828331E+16
Circumference
427897580.03732
Perimeter
272408060
Area
4637884447060225
Diagonal
96310793.237936
Surface area
27827306682361350
Volume
3.1584927618196E+23
Space diagonal
117956150.07782
Perimeter
204306045
Area
2.0082628754854E+15
Altitude
58978075.038909
Surface area
2.0082628754854E+15
Volume
3.7223194170188E+22
Height
32103597.745979