21531709 (number)

21531709 is an odd 8-digits prime number following 21531708 and preceding 21531710. In scientific notation, it is written as 2.1531709 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 21531708 positive integers (up to 21531709) that are relatively prime to 21531709.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand seven hundred nine

Notation

Scientific notation 2.1531709 × 10^7
Engineering notation 2.1531709 × 10^6

Prime Factorization of 21531709

Prime Factorization 21531709

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21531709
Product of the distinct prime numbers

The prime factorization of 21531709 is 21531709. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531709)

Multiplication

n×y
n×2 43063418
n×3 64595127
n×4 86126836
n×5 107658545

Division

n÷y
n÷2 10765854.5
n÷3 7177236.3333333
n÷3 5382927.25
n÷5 4306341.8

Exponentiation

ny
n2 463614492460681
n3 9.9824123398461E+21
n4 2.1493839761957E+29
n5 4.627991030471E+36

Nth Root

y√n
2√n 4640.2272573657
3√n 278.20152132555
4√n 68.119213569783
5√n 29.283008957661

Divisors of 21531709

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21531710
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10765855
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4640.2273651191
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999071137
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531709 can be divided by 2 positive divisors. The sum of these divisors (counting 21531709) is 21531710, the average is 10765855.

Base conversion 21531709

Base System Value
2 Binary 1010010001000110000111101
3 Ternary 1111111220221201
4 Quaternary 1102020300331
5 Quinary 21003003314
6 Senary 2045255501
8 Octal 122106075
10 Decimal 21531709
12 Duodecimal 7264591
16 Hexadecimal 1488c3d
20 Vigesimal 6eb959
36 Base36 cthz1

Cryptographic Hash Functions

md5 8cd2bef1847e43222d1d81b798edb573
sha1 e8dfccd48343995f2cec2a75b2a85e2685694301
sha256 4d29856f304b5bbd3fbc6b00d09f5f1249e090244b07f27f621382b686ad73ae
sha512 82de94ce05ad8cdbed6cebb463e30b9322b3287432e45265f73d5eb48379f2e8b39e605ede357b28a8796bbee64e9f5d69cbaad949b375208ed7590de6711ad5
ripemd-160 6a2494018ae74fbc640b2e10c3f25cc2324f0b95

21531709 as geometric shapes

Circle

Radius = n
Diameter 43063418
Circumference 135287717.62727
Area 1.4564878836122E+15

Sphere

Radius = n
Volume 4.1814231029286E+22
Surface area 5.8259515344489E+15
Circumference 135287717.62727

Square

Length = n
Perimeter 86126836
Area 463614492460681
Diagonal 30450434.888871

Cube

Length = n
Surface area 2781686954764086
Volume 9.9824123398461E+21
Space diagonal 37294013.961788

Equilateral Triangle

Length = n
Perimeter 64595127
Area 2.0075096401679E+14
Altitude 18647006.980894

Triangular Pyramid

Length = n
Surface area 2.0075096401679E+14
Volume 1.1764385763509E+21
Height 10150144.962957