20161251 is an odd 8-digits composite number following 20161250
and preceding 20161252 . In scientific notation, it is written as 2.0161251 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 12218760 positive integers (up to 20161251) that are relatively prime to 20161251.
20161251 has 16 divisors, whose sum is 32584320
The reverse of 20161251 is 15216102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred sixty-one thousand two hundred fifty-one
Scientific notation
2.0161251 × 10^7
Engineering notation
2.0161251 × 10^6
Prime Factorization
9 × 3 × 11 × 67883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20161251
Product of the distinct prime numbers
The prime factorization of 20161251 is 9 × 3 × 11 × 67883.
Since it has a total of 4 prime factors.
7 , 7 , 100 , 39 , 952 , 940 , 7583 , 250 , 22105 , 9721 , 76288 , 434574 , 9703941 , 8157328 , 52537706 , 69118724 , 275490228 , 2010148 , 8428574889 , 9197768691
n×2
40322502
n×3
60483753
n×4
80645004
n×5
100806255
n÷2
10080625.5
n÷3
6720417
n÷3
5040312.75
n÷5
4032250.2
n2
406476041885001
n3
8.19506550593E+21
n4
1.652227726265E+29
n5
3.3310977898387E+36
2 √n
4490.12817189
3 √n
272.16931409791
4 √n
67.008418664299
5 √n
28.900376148789
1 , 3 , 9 , 11 , 27 , 33 , 99 , 297 , 67883 , 203649 , 610947 , 746713 , 1832841 , 2240139 , 6720417 , 20161251
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
-20161250
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 20161251 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161251) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010001011100011
3
Ternary
1101221022001000
4
Quaternary
1030322023203
5
Quinary
20130130001
6
Senary
2000043043
8
Octal
114721343
10
Decimal
20161251
12
Duodecimal
6903483
16
Hexadecimal
133a2e3
20
Vigesimal
66032b
36
Base36
c04ir
md5
84e1c0d141da2b0d25d5ee13ad9eefc3
sha1
37030c711cea67228a85d080c56cce1f43c404d1
sha256
4541acbf5a6e2d7f1b5ad1e526a8c8071f2f12843ce6688a9cfb3d0ae5070ae3
sha512
d330967d74fe4f36d13761fd8031f8e2f565e972ed27e0273cbc618604ea644571363b6615c5e15b0057a6bfcc3e10757c1de800c0da49de6592359db3df78e6
ripemd-160
6851d808c3e27e8b584e007e3d472cf12c215918
Diameter
40322502
Circumference
126676876.05756
Area
1.2769821470462E+15
Volume
3.4327410118822E+22
Surface area
5.1079285881847E+15
Circumference
126676876.05756
Perimeter
80645004
Area
406476041885001
Diagonal
28512314.598608
Surface area
2438856251310006
Volume
8.19506550593E+21
Space diagonal
34920311.076149
Perimeter
60483753
Area
1.7600928915108E+14
Altitude
17460155.538074
Surface area
1.7600928915108E+14
Volume
9.6579773191851E+20
Height
9504104.8662027