20125990 is an even 8-digits composite number following 20125989
and preceding 20125991 . In scientific notation, it is written as 2.0125990 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8038944 positive integers (up to 20125990) that are relatively prime to 20125990.
20125990 has 16 divisors, whose sum is 36278352
The reverse of 20125990 is 09952102
Previous prime number is 1237
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 ninety
Scientific notation
2.0125990 × 10^7
Engineering notation
2.0125990 × 10^6
Prime Factorization
2 × 5 × 1237 × 1627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20125990
Product of the distinct prime numbers
The prime factorization of 20125990 is 2 × 5 × 1237 × 1627.
Since it has a total of 4 prime factors.
9 , 8 , 55 , 45 , 572 , 239 , 2272 , 5479 , 94711 , 69324 , 412096 , 125728 , 1914081 , 8411446 , 42950936 , 55999663 , 889983198 , 637522082 , 4996438658 , 5211690505
n×2
40251980
n×3
60377970
n×4
80503960
n×5
100629950
n÷2
10062995
n÷3
6708663.3333333
n÷3
5031497.5
n÷5
4025198
n2
405055473480100
n3
8.1521424087058E+21
n4
1.6406993659619E+29
n5
3.3020699032355E+36
2 √n
4486.1999509607
3 √n
272.01055142171
4 √n
66.979100852137
5 √n
28.890260012411
1 , 2 , 5 , 10 , 1237 , 1627 , 2474 , 3254 , 6185 , 8135 , 12370 , 16270 , 2012599 , 4025198 , 10062995 , 20125990
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
-20125989
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 20125990 can be divided by 16 positive divisors.
The sum of these divisors (counting 20125990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001100100100110
3
Ternary
1101212111200001
4
Quaternary
1030301210212
5
Quinary
20123012430
6
Senary
1555211514
8
Octal
114614446
10
Decimal
20125990
12
Duodecimal
68a6b9a
16
Hexadecimal
1331926
20
Vigesimal
65feja
36
Base36
bzdba
md5
d28dcf7205f14ef4bbf63fb0558dd03e
sha1
3a75ee42c788341238fac06b6b64b444350679f1
sha256
3dc7b06f37655e63c704c7287e414f9d5a7409c8824f51cbedff86b59b82ee64
sha512
415f5aef08617ca6f5f421d47c33cf3b12280f44e82fb26bfb7da80ca6562689d5850850de88c859fc4ab6c39ed3b4dcc2ee083798ff3412bc026251fe838766
ripemd-160
139f0470cd12c94837d3b9a1dd99c423a276ef6d
Diameter
40251980
Circumference
126455324.66044
Area
1.2725192997814E+15
Volume
3.414761426961E+22
Surface area
5.0900771991257E+15
Circumference
126455324.66044
Perimeter
80503960
Area
405055473480100
Diagonal
28462448.014185
Surface area
2430332840880600
Volume
8.1521424087058E+21
Space diagonal
34859237.232623
Perimeter
60377970
Area
1.7539416498785E+14
Altitude
17429618.616312
Surface area
1.7539416498785E+14
Volume
9.6073919639905E+20
Height
9487482.6713951