21531690 (number)

21531690 is an even 8-digits composite number following 21531689 and preceding 21531691. In scientific notation, it is written as 2.1531690 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 5402880 positive integers (up to 21531690) that are relatively prime to 21531690.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand six hundred ninety

Notation

Scientific notation 2.1531690 × 10^7
Engineering notation 2.1531690 × 10^6

Prime Factorization of 21531690

Prime Factorization 2 × 135 × 17 × 4691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21531690
Product of the distinct prime numbers

The prime factorization of 21531690 is 2 × 135 × 17 × 4691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 4, 93, 454, 680, 8682, 6888, 93157, 6154, 586907, 643349, 8033994, 5233503, 30820011, 63102374, 292298611, 299060464, 640965876, 3540108910

Basic calculations (n = 21531690)

Multiplication

n×y
n×2 43063380
n×3 64595070
n×4 86126760
n×5 107658450

Division

n÷y
n÷2 10765845
n÷3 7177230
n÷3 5382922.5
n÷5 4306338

Exponentiation

ny
n2 463613674256100
n3 9.9823859138433E+21
n4 2.1493763895724E+29
n5 4.6279706113592E+36

Nth Root

y√n
2√n 4640.2252100518
3√n 278.20143949538
4√n 68.119198542348
5√n 29.283003789679

Divisors of 21531690

1, 2, 17, 34, 135, 270, 2295, 4590, 4691, 9382, 79747, 159494, 633285, 1266570, 10765845, 21531690

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 -21531689
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 21531690 can be divided by 16 positive divisors. The sum of these divisors (counting 21531690) is 1, the average is 0.0625.

Base conversion 21531690

Base System Value
2 Binary 1010010001000110000101010
3 Ternary 1111111220221000
4 Quaternary 1102020300222
5 Quinary 21003003230
6 Senary 2045255430
8 Octal 122106052
10 Decimal 21531690
12 Duodecimal 7264576
16 Hexadecimal 1488c2a
20 Vigesimal 6eb94a
36 Base36 cthyi

Cryptographic Hash Functions

md5 8a01cca8fae5e0dff8b7ba87fb0b561f
sha1 b4f18538bb451ef48571ab424b1c07422f3dba72
sha256 88dfdead56f10d87ffa06eb01c7f33b28f2d55f5bfb32c5a1027b7b782edaf80
sha512 dcac7f88fe0a32b78e28c9028f297e3420be1a68da5b2906b3e4dd8e8ff62a68fde86b7a54ff1230cbef6f3c806c59ee7b1b2612b6b6e0a7c3f0036032aac419
ripemd-160 b756383a74287062511b0776bbc33553421b01b2

21531690 as geometric shapes

Circle

Radius = n
Diameter 43063380
Circumference 135287598.24675
Area 1.4564853131467E+15

Sphere

Radius = n
Volume 4.1814120336305E+22
Surface area 5.8259412525869E+15
Circumference 135287598.24675

Square

Length = n
Perimeter 86126760
Area 463613674256100
Diagonal 30450408.018813

Cube

Length = n
Surface area 2781682045536600
Volume 9.9823859138433E+21
Space diagonal 37293981.052823

Equilateral Triangle

Length = n
Perimeter 64595070
Area 2.0075060972381E+14
Altitude 18646990.526411

Triangular Pyramid

Length = n
Surface area 2.0075060972381E+14
Volume 1.1764354620166E+21
Height 10150136.006271