21491772 (number)

21491772 is an even 8-digits composite number following 21491771 and preceding 21491773. In scientific notation, it is written as 2.1491772 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 7147056 positive integers (up to 21491772) that are relatively prime to 21491772.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand seven hundred seventy-two

Notation

Scientific notation 2.1491772 × 10^7
Engineering notation 2.1491772 × 10^6

Prime Factorization of 21491772

Prime Factorization 2 × 2 × 3 × 3739 × 479

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745886
Product of the distinct prime numbers

The prime factorization of 21491772 is 2 × 2 × 3 × 3739 × 479. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 1, 70, 520, 379, 7242, 4267, 86231, 71697, 547075, 239339, 5958102, 7253202, 35039112, 83734923, 277189520, 327450291, 7515035039, 362975015

Basic calculations (n = 21491772)

Multiplication

n×y
n×2 42983544
n×3 64475316
n×4 85967088
n×5 107458860

Division

n÷y
n÷2 10745886
n÷3 7163924
n÷3 5372943
n÷5 4298354.4

Exponentiation

ny
n2 461896263699984
n3 9.9269691870919E+21
n4 2.1334815842001E+29
n5 4.5852299773826E+36

Nth Root

y√n
2√n 4635.9219147867
3√n 278.02941220477
4√n 68.087604707368
5√n 29.272138068104

Divisors of 21491772

1, 2, 3, 4, 6, 12, 479, 958, 1437, 1916, 2874, 3739, 5748, 7478, 11217, 14956, 22434, 44868, 1790981, 3581962, 5372943, 7163924, 10745886, 21491772

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491771
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491772 can be divided by 24 positive divisors. The sum of these divisors (counting 21491772) is 1, the average is 0.041666666666667.

Base conversion 21491772

Base System Value
2 Binary 1010001111111000000111100
3 Ternary 1111102220011120
4 Quaternary 1101333000330
5 Quinary 21000214042
6 Senary 2044350540
8 Octal 121770074
10 Decimal 21491772
12 Duodecimal 7245450
16 Hexadecimal 147f03c
20 Vigesimal 6e698c
36 Base36 csn5o

Cryptographic Hash Functions

md5 da781bc31c78bc0c5078ec37073c0438
sha1 0bea025ac14be5cb3594fbd5c8d565a12b0956ad
sha256 393a5a6a023da935164df32e468ef2506a264572bb65f6790ebe3405ba1a0729
sha512 ffee342a396d7e96f95a512d07599ab31bd98ff4292c5de7b56e2828c6a24b8690ad687fc0414e4547048e7a0d86b2077d4a358f71f929e5ab00eda729a1f1cf
ripemd-160 05e04e407516d3ef8aea163282d8e56551aed6aa

21491772 as geometric shapes

Circle

Radius = n
Diameter 42983544
Circumference 135036786.05565
Area 1.4510899087604E+15

Sphere

Radius = n
Volume 4.1581991294107E+22
Surface area 5.8043596350418E+15
Circumference 135036786.05565

Square

Length = n
Perimeter 85967088
Area 461896263699984
Diagonal 30393955.44183

Cube

Length = n
Surface area 2771377582199904
Volume 9.9269691870919E+21
Space diagonal 37224841.048686

Equilateral Triangle

Length = n
Perimeter 64475316
Area 2.0000694913865E+14
Altitude 18612420.524343

Triangular Pyramid

Length = n
Surface area 2.0000694913865E+14
Volume 1.1699045381371E+21
Height 10131318.48061