21492691 (number)

21492691 is an odd 8-digits composite number following 21492690 and preceding 21492692. In scientific notation, it is written as 2.1492691 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 19417320 positive integers (up to 21492691) that are relatively prime to 21492691.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred ninety-one

Notation

Scientific notation 2.1492691 × 10^7
Engineering notation 2.1492691 × 10^6

Prime Factorization of 21492691

Prime Factorization 11 × 163 × 11987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492691
Product of the distinct prime numbers

The prime factorization of 21492691 is 11 × 163 × 11987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492691)

Multiplication

n×y
n×2 42985382
n×3 64478073
n×4 85970764
n×5 107463455

Division

n÷y
n÷2 10746345.5
n÷3 7164230.3333333
n÷3 5373172.75
n÷5 4298538.2

Exponentiation

ny
n2 461935766421481
n3 9.9282426895451E+21
n4 2.133846522994E+29
n5 4.5862103960135E+36

Nth Root

y√n
2√n 4636.0210310136
3√n 278.03337504518
4√n 68.08833256156
5√n 29.272388402369

Divisors of 21492691

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492690
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492691 can be divided by 8 positive divisors. The sum of these divisors (counting 21492691) is 1, the average is 0.125.

Base conversion 21492691

Base System Value
2 Binary 1010001111111001111010011
3 Ternary 1111102221102121
4 Quaternary 1101333033103
5 Quinary 21000231231
6 Senary 2044355111
8 Octal 121771723
10 Decimal 21492691
12 Duodecimal 7245a97
16 Hexadecimal 147f3d3
20 Vigesimal 6e6beb
36 Base36 csnv7

Cryptographic Hash Functions

md5 0a226358fb5173c968844c6453cb6fbb
sha1 6174216b6d682b3e82d3b2f794e5614189e84509
sha256 2b52ea70f9c5ba16f404f303265a07e301482da9ce27144eac750563f6acf16c
sha512 7b43e49005dc9d3d7f8f78804d67c055ac0f9bf330138abc72415b1149b7f958a792cb9e86880a93630cffa9ef6ea9bb9cacc657d1f8cbcaaf09d5f82f31d1d5
ripemd-160 43896edc187d99530ee0aec46b92a401194166c2

21492691 as geometric shapes

Circle

Radius = n
Diameter 42985382
Circumference 135042560.30295
Area 1.4512140102201E+15

Sphere

Radius = n
Volume 4.1587325728708E+22
Surface area 5.8048560408804E+15
Circumference 135042560.30295

Square

Length = n
Perimeter 85970764
Area 461935766421481
Diagonal 30395255.104094

Cube

Length = n
Surface area 2771614598528886
Volume 9.9282426895451E+21
Space diagonal 37226432.803378

Equilateral Triangle

Length = n
Perimeter 64478073
Area 2.0002405431882E+14
Altitude 18613216.401689

Triangular Pyramid

Length = n
Surface area 2.0002405431882E+14
Volume 1.1700546218405E+21
Height 10131751.701365