21491570 (number)

21491570 is an even 8-digits composite number following 21491569 and preceding 21491571. In scientific notation, it is written as 2.1491570 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 8090880 positive integers (up to 21491570) that are relatively prime to 21491570.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand five hundred seventy

Notation

Scientific notation 2.1491570 × 10^7
Engineering notation 2.1491570 × 10^6

Prime Factorization of 21491570

Prime Factorization 2 × 5 × 17 × 126421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491570
Product of the distinct prime numbers

The prime factorization of 21491570 is 2 × 5 × 17 × 126421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 56, 58, 635, 455, 99, 7112, 72300, 74141, 475112, 813361, 2541838, 8546053, 15118201, 76194509, 785606258, 182713456, 9257811894, 1120870777

Basic calculations (n = 21491570)

Multiplication

n×y
n×2 42983140
n×3 64474710
n×4 85966280
n×5 107457850

Division

n÷y
n÷2 10745785
n÷3 7163856.6666667
n÷3 5372892.5
n÷5 4298314

Exponentiation

ny
n2 461887581064900
n3 9.926689280587E+21
n4 2.1334013754198E+29
n5 4.5850144997932E+36

Nth Root

y√n
2√n 4635.9001283462
3√n 278.02854114091
4√n 68.087444718877
5√n 29.272083042449

Divisors of 21491570

1, 2, 5, 10, 17, 34, 85, 170, 126421, 252842, 632105, 1264210, 2149157, 4298314, 10745785, 21491570

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 -21491569
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 21491570 can be divided by 16 positive divisors. The sum of these divisors (counting 21491570) is 1, the average is 0.0625.

Base conversion 21491570

Base System Value
2 Binary 1010001111110111101110010
3 Ternary 1111102212220002
4 Quaternary 1101332331302
5 Quinary 21000212240
6 Senary 2044350002
8 Octal 121767562
10 Decimal 21491570
12 Duodecimal 7245302
16 Hexadecimal 147ef72
20 Vigesimal 6e68ia
36 Base36 csn02

Cryptographic Hash Functions

md5 7181aa81c33ccecdcafdd88a1f84a426
sha1 2343b1e5707e1cd1dac634e1f508d0e416617e32
sha256 22183a8f459a38f1a69ab8afd120cb9593ff80d067f16f7faea2437ad4161264
sha512 bea154882890cf0ea28553d57dfa1a3ac049dd7e03ea9afe7a39410f071a0fc649754cc57c951d1372f41d2463442cbd2f40d3b89ba40cd397a83dd67a5e18e4
ripemd-160 5ef01879b6049aa5ffb3e82a2c335f3f6f79c65a

21491570 as geometric shapes

Circle

Radius = n
Diameter 42983140
Circumference 135035516.85222
Area 1.4510626314578E+15

Sphere

Radius = n
Volume 4.1580818824481E+22
Surface area 5.8042505258314E+15
Circumference 135035516.85222

Square

Length = n
Perimeter 85966280
Area 461887581064900
Diagonal 30393669.770691

Cube

Length = n
Surface area 2771325486389400
Volume 9.926689280587E+21
Space diagonal 37224491.174423

Equilateral Triangle

Length = n
Perimeter 64474710
Area 2.0000318944737E+14
Altitude 18612245.587212

Triangular Pyramid

Length = n
Surface area 2.0000318944737E+14
Volume 1.1698715508391E+21
Height 10131223.256897