21493739 (number)

21493739 is an odd 8-digits prime number following 21493738 and preceding 21493740. In scientific notation, it is written as 2.1493739 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 21493738 positive integers (up to 21493739) that are relatively prime to 21493739.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand seven hundred thirty-nine

Notation

Scientific notation 2.1493739 × 10^7
Engineering notation 2.1493739 × 10^6

Prime Factorization of 21493739

Prime Factorization 21493739

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21493739
Product of the distinct prime numbers

The prime factorization of 21493739 is 21493739. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 1, 16, 81, 602, 665, 5942, 503, 1622, 82655, 70084, 146601, 9404255, 166533, 28812098, 41191790, 860004528, 498985870, 1712878984, 2317197278

Basic calculations (n = 21493739)

Multiplication

n×y
n×2 42987478
n×3 64481217
n×4 85974956
n×5 107468695

Division

n÷y
n÷2 10746869.5
n÷3 7164579.6666667
n÷3 5373434.75
n÷5 4298747.8

Exponentiation

ny
n2 461980816200121
n3 9.9296950864124E+21
n4 2.1342627453693E+29
n5 4.5873286406391E+36

Nth Root

y√n
2√n 4636.1340575958
3√n 278.03789401152
4√n 68.089162556135
5√n 29.272673865597

Divisors of 21493739

1, 21493739

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21493740
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10746870
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4636.1341654443
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999069497
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493739 can be divided by 2 positive divisors. The sum of these divisors (counting 21493739) is 21493740, the average is 10746870.

Base conversion 21493739

Base System Value
2 Binary 1010001111111011111101011
3 Ternary 1111102222212102
4 Quaternary 1101333133223
5 Quinary 21000244424
6 Senary 2044404015
8 Octal 121773753
10 Decimal 21493739
12 Duodecimal 724660b
16 Hexadecimal 147f7eb
20 Vigesimal 6e6e6j
36 Base36 csoob

Cryptographic Hash Functions

md5 f9678572cca6f29749fe03a4b2b74b52
sha1 08bd00c2b6903ae6c63c3d4067560270f7010155
sha256 0a073c663b3a0e195825d5b8252dd1ed6e5b286d4025f607ac2eecd415a9456e
sha512 90683566124140d9cecc561af887aca1ae78f3511ef1890fe3d11e571c81522cc082ddddcdf48f3d6565b0f3f7f3edc7e42f4786943d9f25cff52febbd561864
ripemd-160 7f983ac974b4e9ee584e0e51bfb40aba2de5cc03

21493739 as geometric shapes

Circle

Radius = n
Diameter 42987478
Circumference 135049145.08115
Area 1.4513555382737E+15

Sphere

Radius = n
Volume 4.159340951448E+22
Surface area 5.8054221530949E+15
Circumference 135049145.08115

Square

Length = n
Perimeter 85974956
Area 461980816200121
Diagonal 30396737.199908

Cube

Length = n
Surface area 2771884897200726
Volume 9.9296950864124E+21
Space diagonal 37228247.992625

Equilateral Triangle

Length = n
Perimeter 64481217
Area 2.0004356144519E+14
Altitude 18614123.996312

Triangular Pyramid

Length = n
Surface area 2.0004356144519E+14
Volume 1.1702257884528E+21
Height 10132245.733303