20151925 is an odd 8-digits composite number following 20151924
and preceding 20151926 . In scientific notation, it is written as 2.0151925 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 15512640 positive integers (up to 20151925) that are relatively prime to 20151925.
20151925 has 16 divisors, whose sum is 24744384
The reverse of 20151925 is 52915102
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty-one thousand nine hundred twenty-five
Scientific notation
2.0151925 × 10^7
Engineering notation
2.0151925 × 10^6
Prime Factorization
265 × 5 × 67 × 227
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20151925
Product of the distinct prime numbers
The prime factorization of 20151925 is 265 × 5 × 67 × 227.
Since it has a total of 4 prime factors.
1 , 6 , 52 , 36 , 887 , 485 , 9505 , 975 , 84492 , 31600 , 374701 , 673192 , 9369607 , 7893695 , 42536120 , 20343846 , 580858944 , 80020393 , 3793079304 , 888301027
n×2
40303850
n×3
60455775
n×4
80607700
n×5
100759625
n÷2
10075962.5
n÷3
6717308.3333333
n÷3
5037981.25
n÷5
4030385
n2
406100081205625
n3
8.1836983789497E+21
n4
1.6491727595522E+29
n5
3.3234005762538E+36
2 √n
4489.0895513456
3 √n
272.12734179342
4 √n
67.000668290291
5 √n
28.897701961642
1 , 5 , 67 , 227 , 265 , 335 , 1135 , 1325 , 15209 , 17755 , 60155 , 76045 , 88775 , 300775 , 4030385 , 20151925
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
-20151924
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 20151925 can be divided by 16 positive divisors.
The sum of these divisors (counting 20151925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111111001110101
3
Ternary
1101220211020121
4
Quaternary
1030313321311
5
Quinary
20124330200
6
Senary
1555531541
8
Octal
114677165
10
Decimal
20151925
12
Duodecimal
68b9bb1
16
Hexadecimal
1337e75
20
Vigesimal
65ijg5
36
Base36
bzxbp
md5
0cca7f5d9866f7cfeb2c3c32c4869af6
sha1
1b893d082ebd2991ac4085192fee9dc966e99840
sha256
fdafefb8bbce45247ef2f822c0139fda54ac3839334bcbced35666823b637c2a
sha512
058b3d1cb754e73a7bb34e79cbce25c1f043387eda1f6e984edb1a2705db357a5cf2cc6db4a69a6df67d3e8568d7a0dc1aec17286609ffaf3eefd82384a6de68
ripemd-160
4e4cd851ef3aa61f606bcb218dab3b2afe492159
Diameter
40303850
Circumference
126618279.07138
Area
1.2758010317378E+15
Volume
3.4279795608671E+22
Surface area
5.1032041269512E+15
Circumference
126618279.07138
Perimeter
80607700
Area
406100081205625
Diagonal
28499125.642925
Surface area
2436600487233750
Volume
8.1836983789497E+21
Space diagonal
34904157.970317
Perimeter
60455775
Area
1.758464934015E+14
Altitude
17452078.985159
Surface area
1.758464934015E+14
Volume
9.6445810315678E+20
Height
9499708.5476418