20261381 is an odd 8-digits composite number following 20261380
and preceding 20261382 . In scientific notation, it is written as 2.0261381 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 17366892 positive integers (up to 20261381) that are relatively prime to 20261381.
20261381 has 4 divisors, whose sum is 23155872
The reverse of 20261381 is 18316202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million two hundred sixty-one thousand three hundred eighty-one
Scientific notation
2.0261381 × 10^7
Engineering notation
2.0261381 × 10^6
Prime Factorization
7 × 2894483
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20261381
Product of the distinct prime numbers
The prime factorization of 20261381 is 7 × 2894483.
Since it has a total of 2 prime factors.
7 , 2 , 92 , 59 , 513 , 619 , 7507 , 2262 , 71742 , 93553 , 531448 , 287153 , 531658 , 4373036 , 32886862 , 30797193 , 172162612 , 175533692 , 8129417673 , 1922949121
n×2
40522762
n×3
60784143
n×4
81045524
n×5
101306905
n÷2
10130690.5
n÷3
6753793.6666667
n÷3
5065345.25
n÷5
4052276.2
n2
410523560027161
n3
8.3177742591867E+21
n4
1.6852959333737E+29
n5
3.4146423003836E+36
2 √n
4501.2643779276
3 √n
272.61914269354
4 √n
67.091462779758
5 √n
28.929025789345
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20261380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20261381 can be divided by 4 positive divisors.
The sum of these divisors (counting 20261381) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101010010101000000101
3
Ternary
1102010101101112
4
Quaternary
1031102220011
5
Quinary
20141331011
6
Senary
2002134405
8
Octal
115225005
10
Decimal
20261381
12
Duodecimal
6951405
16
Hexadecimal
1352a05
20
Vigesimal
66cd91
36
Base36
c29s5
md5
b6ffe8c31cec9833310ab84ac21c93c3
sha1
2fb67385f661df546cb6f5391d880cca175dfb8a
sha256
837a94621c62936312875f648883695b7363a7305cb450e11c7a2810781c2b14
sha512
8a360a3ca0a03ba0e6043a653616d13b916be19f7be67e6052dd486cde0d66cca915eef10df0d760c2447977f2ede35c4350ae66682bae8960d60ec4829729b9
ripemd-160
34bb049587666d48daa820060aed6dfb78dd76f0
Diameter
40522762
Circumference
127306011.40237
Area
1.2896978003069E+15
Volume
3.4841411342506E+22
Surface area
5.1587912012274E+15
Circumference
127306011.40237
Perimeter
81045524
Area
410523560027161
Diagonal
28653919.802609
Surface area
2463141360162966
Volume
8.3177742591867E+21
Space diagonal
35093741.323511
Perimeter
60784143
Area
1.7776191591777E+14
Altitude
17546870.661755
Surface area
1.7776191591777E+14
Volume
9.8025909717497E+20
Height
9551306.6008695