21291274 (number)

21291274 is an even 8-digits composite number following 21291273 and preceding 21291275. In scientific notation, it is written as 2.1291274 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10645636 positive integers (up to 21291274) that are relatively prime to 21291274.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1291274 × 10^7
Engineering notation 2.1291274 × 10^6

Prime Factorization of 21291274

Prime Factorization 2 × 10645637

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21291274
Product of the distinct prime numbers

The prime factorization of 21291274 is 2 × 10645637. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291274)

Multiplication

n×y
n×2 42582548
n×3 63873822
n×4 85165096
n×5 106456370

Division

n÷y
n÷2 10645637
n÷3 7097091.3333333
n÷3 5322818.5
n÷5 4258254.8

Exponentiation

ny
n2 453318348543076
n3 9.6517251680581E+21
n4 2.0549752512582E+29
n5 4.3753041137758E+36

Nth Root

y√n
2√n 4614.2468507872
3√n 277.16212537287
4√n 67.928247811844
5√n 29.217316814177

Divisors of 21291274

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291273
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291274 can be divided by 4 positive divisors. The sum of these divisors (counting 21291274) is 1, the average is 0.25.

Base conversion 21291274

Base System Value
2 Binary 1010001001110000100001010
3 Ternary 1111001201010201
4 Quaternary 1101032010022
5 Quinary 20422310044
6 Senary 2040202414
8 Octal 121160412
10 Decimal 21291274
12 Duodecimal 716940a
16 Hexadecimal 144e10a
20 Vigesimal 6d183e
36 Base36 cocga

Cryptographic Hash Functions

md5 d8319b6188b329832786a250419c1179
sha1 021703271116d265a092d095c9519cdc44fa98bb
sha256 3b9b321a15c90fc0e30512285413e83452fba7db7b6ffa8158430bc687836acb
sha512 d092c675ff351977a8c5f9e4659c9f76a25d2ae97e8dec6b4ba905832ecfc8cc8ca430442576cd66c7c54d99da9f5a0667ab15ae533629940f21e12de91a04f0
ripemd-160 82b52a859f379c758832b241053aaa8e1655ee9a

21291274 as geometric shapes

Circle

Radius = n
Diameter 42582548
Circumference 133777019.96793
Area 1.4241415935204E+15

Sphere

Radius = n
Volume 4.0429051843252E+22
Surface area 5.6965663740815E+15
Circumference 133777019.96793

Square

Length = n
Perimeter 85165096
Area 453318348543076
Diagonal 30110408.451002

Cube

Length = n
Surface area 2719910091258456
Volume 9.6517251680581E+21
Space diagonal 36877568.32587

Equilateral Triangle

Length = n
Perimeter 63873822
Area 1.9629260291996E+14
Altitude 18438784.162935

Triangular Pyramid

Length = n
Surface area 1.9629260291996E+14
Volume 1.1374667194138E+21
Height 10036802.817001