20131251 is an odd 8-digits composite number following 20131250
and preceding 20131252 . In scientific notation, it is written as 2.0131251 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 11441664 positive integers (up to 20131251) that are relatively prime to 20131251.
20131251 has 16 divisors, whose sum is 30841344
The reverse of 20131251 is 15213102
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred thirty-one thousand two hundred fifty-one
Scientific notation
2.0131251 × 10^7
Engineering notation
2.0131251 × 10^6
Prime Factorization
3 × 7 × 193 × 4967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131251
Product of the distinct prime numbers
The prime factorization of 20131251 is 3 × 7 × 193 × 4967.
Since it has a total of 4 prime factors.
9 , 8 , 57 , 55 , 216 , 625 , 343 , 1933 , 92494 , 75758 , 688873 , 375769 , 7769997 , 1341942 , 33652237 , 52437675 , 639634530 , 321271313 , 8802503428 , 4498866627
n×2
40262502
n×3
60393753
n×4
80525004
n×5
100656255
n÷2
10065625.5
n÷3
6710417
n÷3
5032812.75
n÷5
4026250.2
n2
405267266825001
n3
8.1585370705381E+21
n4
1.6424155755981E+29
n5
3.3063880198674E+36
2 √n
4486.7862663604
3 √n
272.03425084114
4 √n
66.983477562458
5 √n
28.89177025631
1 , 3 , 7 , 21 , 193 , 579 , 1351 , 4053 , 4967 , 14901 , 34769 , 104307 , 958631 , 2875893 , 6710417 , 20131251
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
-20131250
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 20131251 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131251) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010110110110011
3
Ternary
1101212202212220
4
Quaternary
1030302312303
5
Quinary
20123200001
6
Senary
1555252123
8
Octal
114626663
10
Decimal
20131251
12
Duodecimal
68aa043
16
Hexadecimal
1332db3
20
Vigesimal
65g82b
36
Base36
bzhdf
md5
800164423480bb2d99081166448a469b
sha1
0fc72d80f0fc77aded0c6c7274a7ffc5749e4efa
sha256
0eaed9c6bc04e0b63b433c852e31a131b6d6647a4a71f31be774e78e4b581110
sha512
118f6671bd64df5686cc559bdafa4506998fb7ec51cca817fb585d7978e2654cfa086696bdc04b21c64786d1e90ddac0e2bd7a9e98f00c562e660e7e6d50f7cf
ripemd-160
8cc754b009816fe72524e01c0498f20011c8fd89
Diameter
40262502
Circumference
126488380.49834
Area
1.2731846681978E+15
Volume
3.4174400166457E+22
Surface area
5.0927386727914E+15
Circumference
126488380.49834
Perimeter
80525004
Area
405267266825001
Diagonal
28469888.191737
Surface area
2431603600950006
Volume
8.1585370705381E+21
Space diagonal
34868349.551922
Perimeter
60393753
Area
1.7548587419637E+14
Altitude
17434174.775961
Surface area
1.7548587419637E+14
Volume
9.6149281452322E+20
Height
9489962.730579