21031709 (number)

21031709 is an odd 8-digits composite number following 21031708 and preceding 21031710. In scientific notation, it is written as 2.1031709 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 21021660 positive integers (up to 21031709) that are relatively prime to 21031709.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031709 × 10^7
Engineering notation 2.1031709 × 10^6

Prime Factorization of 21031709

Prime Factorization 2971 × 7079

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031709
Product of the distinct prime numbers

The prime factorization of 21031709 is 2971 × 7079. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031709)

Multiplication

n×y
n×2 42063418
n×3 63095127
n×4 84126836
n×5 105158545

Division

n÷y
n÷2 10515854.5
n÷3 7010569.6666667
n÷3 5257927.25
n÷5 4206341.8

Exponentiation

ny
n2 442332783460681
n3 9.3030143829051E+21
n4 1.9565829132407E+29
n5 4.1150282465651E+36

Nth Root

y√n
2√n 4586.0341254727
3√n 276.03120927625
4√n 67.720263772911
5√n 29.145728352847

Divisors of 21031709

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 -21031708
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 21031709 can be divided by 4 positive divisors. The sum of these divisors (counting 21031709) is 1, the average is 0.25.

Base conversion 21031709

Base System Value
2 Binary 1010000001110101100011101
3 Ternary 1110120112002012
4 Quaternary 1100032230131
5 Quinary 20341003314
6 Senary 2030441005
8 Octal 120165435
10 Decimal 21031709
12 Duodecimal 7063165
16 Hexadecimal 140eb1d
20 Vigesimal 6b8j59
36 Base36 cis65

Cryptographic Hash Functions

md5 6ca71bf65cac31d62b9ef6ec04bded9c
sha1 a774e1e9c84f72156bf067121f14d8f551a2c8db
sha256 a06ab612edb6530825bfdb3ebea5d124a69206ab1346ec519ff59b1f82a04c35
sha512 406bde31a1f8ee68d4d54cba5f0f37718663f216c6977d181d6c507310d7df9018a9e031f5034bb89d30f773b4a50de5d4abcc41337038982fb86ef0dbcc2cf8
ripemd-160 9e0c58e8d56b271490a28f61ba46a37312a95df6

21031709 as geometric shapes

Circle

Radius = n
Diameter 42063418
Circumference 132146124.97368
Area 1.389629422962E+15

Sphere

Radius = n
Volume 3.89683755221E+22
Surface area 5.558517691848E+15
Circumference 132146124.97368

Square

Length = n
Perimeter 84126836
Area 442332783460681
Diagonal 29743328.107684

Cube

Length = n
Surface area 2653996700764086
Volume 9.3030143829051E+21
Space diagonal 36427988.558004

Equilateral Triangle

Length = n
Perimeter 63095127
Area 1.9153571370182E+14
Altitude 18213994.279002

Triangular Pyramid

Length = n
Surface area 1.9153571370182E+14
Volume 1.0963707592714E+21
Height 9914442.7025614