68420908 is an even 8-digits composite number following 68420907
and preceding 68420909 . In scientific notation, it is written as 6.8420908 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 33482480 positive integers (up to 68420908) that are relatively prime to 68420908.
68420908 has 12 divisors, whose sum is 122284512
The reverse of 68420908 is 80902486
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-eight million four hundred twenty thousand nine hundred eight
Scientific notation
6.8420908 × 10^7
Engineering notation
6.8420908 × 10^6
Prime Factorization
2 × 2 × 47 × 363941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34210454
Product of the distinct prime numbers
The prime factorization of 68420908 is 2 × 2 × 47 × 363941.
Since it has a total of 4 prime factors.
3 , 9 , 13 , 34 , 157 , 904 , 3540 , 9968 , 12078 , 98360 , 563067 , 145156 , 6818710 , 7439556 , 82142147 , 77813449 , 174818779 , 122326556 , 445959022 , 5411398260
n×2
136841816
n×3
205262724
n×4
273683632
n×5
342104540
n÷2
34210454
n÷3
22806969.333333
n÷3
17105227
n÷5
13684181.6
n2
4681420651544464
n3
3.2030705170862E+23
n4
2.1915699316707E+31
n5
1.4994920467041E+39
2 √n
8271.6931761278
3 √n
409.00593603331
4 √n
90.948849229266
5 √n
36.900968661084
1 , 2 , 4 , 47 , 94 , 188 , 363941 , 727882 , 1455764 , 17105227 , 34210454 , 68420908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68420907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68420908 can be divided by 12 positive divisors.
The sum of these divisors (counting 68420908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101000000010100101100
3
Ternary
11202202010211201
4
Quaternary
10011000110230
5
Quinary
120003432113
6
Senary
10442255244
8
Octal
405002454
10
Decimal
68420908
12
Duodecimal
1aab7524
16
Hexadecimal
414052c
20
Vigesimal
117cc58
36
Base36
14qhws
md5
cf7a0dbb8ab0ade30497f8e7d6339c77
sha1
fca2478f9a88567252e9a4dcd98c74e3461eb1f3
sha256
13607d23abb43dfef6305365ea61fdad4c39b91584aed729af1f31eab62b92bf
sha512
bf8f5b5f6733097103468293b13949a70b9fd2f52e75eabfe52df84acd698e240827d06c1a050208275f02c63d49bdec16fd0bef6568b72cb8f0de95dc65caf4
ripemd-160
82ea1dbf563f679d81dac13829afbf3787509604
Diameter
136841816
Circumference
429901243.84949
Area
1.4707116727256E+16
Volume
1.3416990407211E+24
Surface area
5.8828466909023E+16
Circumference
429901243.84949
Perimeter
273683632
Area
4681420651544464
Diagonal
96761776.043482
Surface area
28088523909266784
Volume
3.2030705170862E+23
Space diagonal
118508488.956
Perimeter
205262724
Area
2.0271146050193E+15
Altitude
59254244.477998
Surface area
2.0271146050193E+15
Volume
3.7748548054173E+22
Height
32253925.347827