20125918 is an even 8-digits composite number following 20125917
and preceding 20125919 . In scientific notation, it is written as 2.0125918 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10062958 positive integers (up to 20125918) that are relatively prime to 20125918.
20125918 has 4 divisors, whose sum is 30188880
The reverse of 20125918 is 81952102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred twenty-five thousand nine hundred eighteen
Scientific notation
2.0125918 × 10^7
Engineering notation
2.0125918 × 10^6
Prime Factorization
2 × 10062959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20125918
Product of the distinct prime numbers
The prime factorization of 20125918 is 2 × 10062959.
Since it has a total of 2 prime factors.
8 , 2 , 28 , 46 , 432 , 824 , 2567 , 9612 , 34786 , 25374 , 78017 , 347208 , 1460638 , 4623384 , 80377793 , 84777093 , 909266970 , 168987531 , 2448308528 , 1388424416
n×2
40251836
n×3
60377754
n×4
80503672
n×5
100629590
n÷2
10062959
n÷3
6708639.3333333
n÷3
5031479.5
n÷5
4025183.6
n2
405052575342724
n3
8.1520549170365E+21
n4
1.6406758879177E+29
n5
3.3020108384809E+36
2 √n
4486.1919263447
3 √n
272.01022705203
4 √n
66.97904094823
5 √n
28.89023934161
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
-20125917
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 20125918 can be divided by 4 positive divisors.
The sum of these divisors (counting 20125918) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001100011011110
3
Ternary
1101212111120101
4
Quaternary
1030301203132
5
Quinary
20123012133
6
Senary
1555211314
8
Octal
114614336
10
Decimal
20125918
12
Duodecimal
68a6b3a
16
Hexadecimal
13318de
20
Vigesimal
65fefi
36
Base36
bzd9a
md5
dbb46ef6d831a7462ff4bf1357b61910
sha1
633ec1f2d5447fdf220268af225d95e6b85bbfcb
sha256
5262adcd1407f6753044b94463fb9039aa80f773bf645ca57b6a0ce3eed456dd
sha512
608da9d0b40de573043c338e1d8aa9ef793e8e5d50bf544f1b4186a6262289d470b36481087b1f6a815cec8cc964aa4bf32a4e61a87750caa3e14d94ae6c4e8e
ripemd-160
c9f490369efb430d59037258598e4f3f8c40a81d
Diameter
40251836
Circumference
126454872.2711
Area
1.2725101950143E+15
Volume
3.4147247785363E+22
Surface area
5.0900407800573E+15
Circumference
126454872.2711
Perimeter
80503672
Area
405052575342724
Diagonal
28462346.190809
Surface area
2430315452056344
Volume
8.1520549170365E+21
Space diagonal
34859112.524965
Perimeter
60377754
Area
1.7539291005755E+14
Altitude
17429556.262483
Surface area
1.7539291005755E+14
Volume
9.6072888540694E+20
Height
9487448.7302696