20125815 is an odd 8-digits composite number following 20125814
and preceding 20125816 . In scientific notation, it is written as 2.0125815 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10692000 positive integers (up to 20125815) that are relatively prime to 20125815.
20125815 has 16 divisors, whose sum is 32326656
The reverse of 20125815 is 51852102
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-five thousand eight hundred fifteen
Scientific notation
2.0125815 × 10^7
Engineering notation
2.0125815 × 10^6
Prime Factorization
5 × 3 × 271 × 4951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20125815
Product of the distinct prime numbers
The prime factorization of 20125815 is 5 × 3 × 271 × 4951.
Since it has a total of 4 prime factors.
1 , 9 , 28 , 23 , 875 , 914 , 2739 , 172 , 60251 , 26842 , 189493 , 551603 , 9205510 , 6008627 , 23196343 , 5869967 , 526407402 , 773221536 , 9677933641 , 2056768976
n×2
40251630
n×3
60377445
n×4
80503260
n×5
100629075
n÷2
10062907.5
n÷3
6708605
n÷3
5031453.75
n÷5
4025163
n2
405048429414225
n3
8.1519297564313E+21
n4
1.6406423017093E+29
n5
3.3019263445376E+36
2 √n
4486.1804466606
3 √n
272.00976302183
4 √n
66.978955252084
5 √n
28.890209770778
1 , 3 , 5 , 15 , 271 , 813 , 1355 , 4065 , 4951 , 14853 , 24755 , 74265 , 1341721 , 4025163 , 6708605 , 20125815
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
-20125814
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 20125815 can be divided by 16 positive divisors.
The sum of these divisors (counting 20125815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001100001110111
3
Ternary
1101212111102120
4
Quaternary
1030301201313
5
Quinary
20123011230
6
Senary
1555211023
8
Octal
114614167
10
Decimal
20125815
12
Duodecimal
68a6a73
16
Hexadecimal
1331877
20
Vigesimal
65feaf
36
Base36
bzd6f
md5
dfc15f35044717dbc28eb865d185d16d
sha1
fe9f07968be90668f17f253c59931a5203e2ebd3
sha256
86d6051f81a890793ef52218ad9c0c0c3fe38ac66bcae5b2b96a7005690a3cae
sha512
d69fc0cf495c28d8a1f3ffae95b7ad55ed17da2f18aa02ab5754ed665457f32c9eda1ebe4cbe622d53486c50648fc10b5b31a9bb56dd9b94b8e256996f422aed
ripemd-160
b2fe011abd4653b020407fb5e54fca237a8f89a9
Diameter
40251630
Circumference
126454225.10301
Area
1.2724971701958E+15
Volume
3.4146723513846E+22
Surface area
5.0899886807833E+15
Circumference
126454225.10301
Perimeter
80503260
Area
405048429414225
Diagonal
28462200.526812
Surface area
2430290576485350
Volume
8.1519297564313E+21
Space diagonal
34858934.123732
Perimeter
60377445
Area
1.7539111481785E+14
Altitude
17429467.061866
Surface area
1.7539111481785E+14
Volume
9.6071413508816E+20
Height
9487400.175604