21141531 is an odd 8-digits composite number following 21141530
and preceding 21141532 . In scientific notation, it is written as 2.1141531 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 13343616 positive integers (up to 21141531) that are relatively prime to 21141531.
21141531 has 16 divisors, whose sum is 24763200
The reverse of 21141531 is 13514112
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million one hundred forty-one thousand five hundred thirty-one
Scientific notation
2.1141531 × 10^7
Engineering notation
2.1141531 × 10^6
Prime Factorization
9 × 23 × 109 × 937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21141531
Product of the distinct prime numbers
The prime factorization of 21141531 is 9 × 23 × 109 × 937.
Since it has a total of 4 prime factors.
5 , 7 , 50 , 97 , 440 , 426 , 1643 , 3861 , 78492 , 59729 , 77866 , 148024 , 4600380 , 7469673 , 15143348 , 93624588 , 331048101 , 303000270 , 9138930255 , 7521358678
n×2
42283062
n×3
63424593
n×4
84566124
n×5
105707655
n÷2
10570765.5
n÷3
7047177
n÷3
5285382.75
n÷5
4228306.2
n2
446964333023961
n3
9.4495103025204E+21
n4
1.9977711499555E+29
n5
4.2235940697691E+36
2 √n
4597.9920617591
3 √n
276.51082932035
4 √n
67.808495498419
5 √n
29.176103226044
1 , 9 , 23 , 109 , 207 , 937 , 981 , 2507 , 8433 , 21551 , 22563 , 102133 , 193959 , 919197 , 2349059 , 21141531
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
-21141530
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 21141531 can be divided by 16 positive divisors.
The sum of these divisors (counting 21141531) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101001100000011011
3
Ternary
1110210002201200
4
Quaternary
1100221200123
5
Quinary
20403012111
6
Senary
2033045243
8
Octal
120514033
10
Decimal
21141531
12
Duodecimal
70b6823
16
Hexadecimal
142981b
20
Vigesimal
6c2dgb
36
Base36
cl4wr
md5
03b12c34a7b49239aa4a5076829c9517
sha1
f63341cf6ba075bf26474190a15cbc683e72ae1a
sha256
49171b166db80176ba35aeee3af34af6c736d3ed0ab56036caed7d65a760f577
sha512
a7f68f287b4ea2661a1efe4feb375e14d34469715c0fb320b959570efd1dd9d45dddcbdfb725db9a93fe9c57bb08188c8a877d3d2013a89abe861fd6db44cd3f
ripemd-160
9125ddbfb81cb4fce0bebc751a33e0fd2e2eb871
Diameter
42283062
Circumference
132836156.95048
Area
1.4041798650447E+15
Volume
3.9582016195226E+22
Surface area
5.616719460179E+15
Circumference
132836156.95048
Perimeter
84566124
Area
446964333023961
Diagonal
29898639.869531
Surface area
2681785998143766
Volume
9.4495103025204E+21
Space diagonal
36618205.841792
Perimeter
63424593
Area
1.9354123349216E+14
Altitude
18309102.920896
Surface area
1.9354123349216E+14
Volume
1.1136354689674E+21
Height
9966213.2898437