21492931 (number)

21492931 is an odd 8-digits composite number following 21492930 and preceding 21492932. In scientific notation, it is written as 2.1492931 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21087352 positive integers (up to 21492931) that are relatively prime to 21492931.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred thirty-one

Notation

Scientific notation 2.1492931 × 10^7
Engineering notation 2.1492931 × 10^6

Prime Factorization of 21492931

Prime Factorization 53 × 405527

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492931
Product of the distinct prime numbers

The prime factorization of 21492931 is 53 × 405527. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492931)

Multiplication

n×y
n×2 42985862
n×3 64478793
n×4 85971724
n×5 107464655

Division

n÷y
n÷2 10746465.5
n÷3 7164310.3333333
n÷3 5373232.75
n÷5 4298586.2

Exponentiation

ny
n2 461946082970761
n3 9.9285752870108E+21
n4 2.1339418357203E+29
n5 4.586466463315E+36

Nth Root

y√n
2√n 4636.046915207
3√n 278.03440993594
4√n 68.088522639333
5√n 29.27245377661

Divisors of 21492931

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 -21492930
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 21492931 can be divided by 4 positive divisors. The sum of these divisors (counting 21492931) is 1, the average is 0.25.

Base conversion 21492931

Base System Value
2 Binary 1010001111111010011000011
3 Ternary 1111102221202111
4 Quaternary 1101333103003
5 Quinary 21000233211
6 Senary 2044400151
8 Octal 121772303
10 Decimal 21492931
12 Duodecimal 7246057
16 Hexadecimal 147f4c3
20 Vigesimal 6e6c6b
36 Base36 cso1v

Cryptographic Hash Functions

md5 5885c4d242ed788c0666052306808e7f
sha1 42011446df1c0baf4ce9e43ded98feb640f8143a
sha256 ba9aa107d830afb0bbbf2d8a5efef33752d0f679dc121d0165ebb206e32bac07
sha512 00b41e9ba00508ec448132a30386a9381e0d562bad5eda83a5647931eb47f4f6f2a967b417e3a446ecee0da6e43ebd9ee02c31fb7c38b7ecd3efea8999679c20
ripemd-160 a60117a347effa31cabdc0dfe25e3f6f1f7c4b50

21492931 as geometric shapes

Circle

Radius = n
Diameter 42985862
Circumference 135044068.26742
Area 1.4512464206155E+15

Sphere

Radius = n
Volume 4.1588718909715E+22
Surface area 5.8049856824621E+15
Circumference 135044068.26742

Square

Length = n
Perimeter 85971724
Area 461946082970761
Diagonal 30395594.515349

Cube

Length = n
Surface area 2771676497824566
Volume 9.9285752870108E+21
Space diagonal 37226848.495572

Equilateral Triangle

Length = n
Perimeter 64478793
Area 2.000285215157E+14
Altitude 18613424.247786

Triangular Pyramid

Length = n
Surface area 2.000285215157E+14
Volume 1.1700938188278E+21
Height 10131864.83845