21494538 (number)

21494538 is an even 8-digits composite number following 21494537 and preceding 21494539. In scientific notation, it is written as 2.1494538 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 64 positive divisors. There are 6500736 positive integers (up to 21494538) that are relatively prime to 21494538.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand five hundred thirty-eight

Notation

Scientific notation 2.1494538 × 10^7
Engineering notation 2.1494538 × 10^6

Prime Factorization of 21494538

Prime Factorization 2 × 9 × 3 × 13 × 67 × 457

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21494538
Product of the distinct prime numbers

The prime factorization of 21494538 is 2 × 9 × 3 × 13 × 67 × 457. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 9, 13, 59, 796, 974, 7957, 9747, 2820, 29474, 618711, 659740, 1924244, 880407, 23929056, 5505949, 43916948, 651136149, 7441778320, 4361971768

Basic calculations (n = 21494538)

Multiplication

n×y
n×2 42989076
n×3 64483614
n×4 85978152
n×5 107472690

Division

n÷y
n÷2 10747269
n÷3 7164846
n÷3 5373634.5
n÷5 4298907.6

Exponentiation

ny
n2 462015163833444
n3 9.9308024955942E+21
n4 2.1345801161204E+29
n5 4.5881813419995E+36

Nth Root

y√n
2√n 4636.2202277286
3√n 278.04133919346
4√n 68.08979532741
5√n 29.272891496588

Divisors of 21494538

1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 67, 78, 117, 134, 201, 234, 351, 402, 457, 603, 702, 871, 914, 1206, 1371, 1742, 1809, 2613, 2742, 3618, 4113, 5226, 5941, 7839, 8226, 11882, 12339, 15678, 17823, 23517, 24678, 30619, 35646, 47034, 53469, 61238, 91857, 106938, 160407, 183714, 275571, 320814, 398047, 551142, 796094, 826713, 1194141, 1653426, 2388282, 3582423, 7164846, 10747269, 21494538

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494538 can be divided by 64 positive divisors. The sum of these divisors (counting 21494538) is 1, the average is 0.015625.

Base conversion 21494538

Base System Value
2 Binary 1010001111111101100001010
3 Ternary 1111110000222000
4 Quaternary 1101333230022
5 Quinary 21000311123
6 Senary 2044411430
8 Octal 121775412
10 Decimal 21494538
12 Duodecimal 7246b76
16 Hexadecimal 147fb0a
20 Vigesimal 6e6g6i
36 Base36 cspai

Cryptographic Hash Functions

md5 6c79bda376cca51652a3f5d23198a4e6
sha1 3965f4bcdf0f847924ca1952b37a2918b53c86a3
sha256 a03c6e6a634d567745bb70d5585d2e89bfb66f95c2b85c8bbf4d9ff8d973751c
sha512 c48a8251f1b128af302ff551ba09c35ef57a694985ca758fe2e1178d19706cdb8d58ac50b5152e01354df53b21c48ca942716cda07f4ee989cff32b2e068d10c
ripemd-160 244780b7e79975a7a16a03682ec85ab63a23413e

21494538 as geometric shapes

Circle

Radius = n
Diameter 42989076
Circumference 135054165.34621
Area 1.4514634445462E+15

Sphere

Radius = n
Volume 4.1598048219213E+22
Surface area 5.8058537781849E+15
Circumference 135054165.34621

Square

Length = n
Perimeter 85978152
Area 462015163833444
Diagonal 30397867.156544

Cube

Length = n
Surface area 2772090983000664
Volume 9.9308024955942E+21
Space diagonal 37229631.90122

Equilateral Triangle

Length = n
Perimeter 64483614
Area 2.000584344067E+14
Altitude 18614815.95061

Triangular Pyramid

Length = n
Surface area 2.000584344067E+14
Volume 1.1703562978765E+21
Height 10132622.385515