21249941 (number)

21249941 is an odd 8-digits composite number following 21249940 and preceding 21249942. In scientific notation, it is written as 2.1249941 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21228300 positive integers (up to 21249941) that are relatively prime to 21249941.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-nine thousand nine hundred forty-one

Notation

Scientific notation 2.1249941 × 10^7
Engineering notation 2.1249941 × 10^6

Prime Factorization of 21249941

Prime Factorization 1031 × 20611

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21249941
Product of the distinct prime numbers

The prime factorization of 21249941 is 1031 × 20611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21249941)

Multiplication

n×y
n×2 42499882
n×3 63749823
n×4 84999764
n×5 106249705

Division

n÷y
n÷2 10624970.5
n÷3 7083313.6666667
n÷3 5312485.25
n÷5 4249988.2

Exponentiation

ny
n2 451559992503481
n3 9.5956231986594E+21
n4 2.0390642682974E+29
n5 4.3329995396529E+36

Nth Root

y√n
2√n 4609.7658291935
3√n 276.98265649252
4√n 67.895256308475
5√n 29.205964011039

Divisors of 21249941

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 -21249940
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 21249941 can be divided by 4 positive divisors. The sum of these divisors (counting 21249941) is 1, the average is 0.25.

Base conversion 21249941

Base System Value
2 Binary 1010001000011111110010101
3 Ternary 1110222121102212
4 Quaternary 1101003332111
5 Quinary 20414444231
6 Senary 2035243205
8 Octal 121037625
10 Decimal 21249941
12 Duodecimal 7149505
16 Hexadecimal 1443f95
20 Vigesimal 6cg4h1
36 Base36 cngk5

Cryptographic Hash Functions

md5 a7874a07fd376e48fe56de710a33bd0c
sha1 9cfeebbcc53fa4f9e1aacb81894ba4fd0aedb31f
sha256 56b5b3c052706b30167e452b5a5d906bb03e05722eee29d2fe4d20b981b86100
sha512 4719b7cc1e9608cf7b33c82dc5e66d1c9fd0d4574ae2f221c6c8ec6e1674c42bd40500a4129142959f4a2c62d56caa09c0e5ed8cbe3907c10bdb3dc900ab51d2
ripemd-160 87cfd28320f8132c12cca1384566d8c75ab894f1

21249941 as geometric shapes

Circle

Radius = n
Diameter 42499882
Circumference 133517317.06963
Area 1.418617555104E+15

Sphere

Radius = n
Volume 4.0194052463366E+22
Surface area 5.674470220416E+15
Circumference 133517317.06963

Square

Length = n
Perimeter 84999764
Area 451559992503481
Diagonal 30051954.761828

Cube

Length = n
Surface area 2709359955020886
Volume 9.5956231986594E+21
Space diagonal 36805977.469841

Equilateral Triangle

Length = n
Perimeter 63749823
Area 1.9553121242036E+14
Altitude 18402988.73492

Triangular Pyramid

Length = n
Surface area 1.9553121242036E+14
Volume 1.1308550389138E+21
Height 10017318.253943