21969931 (number)

21969931 is an odd 8-digits composite number following 21969930 and preceding 21969932. In scientific notation, it is written as 2.1969931 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 21352032 positive integers (up to 21969931) that are relatively prime to 21969931.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred sixty-nine thousand nine hundred thirty-one

Notation

Scientific notation 2.1969931 × 10^7
Engineering notation 2.1969931 × 10^6

Prime Factorization of 21969931

Prime Factorization 109 × 53 × 3803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21969931
Product of the distinct prime numbers

The prime factorization of 21969931 is 109 × 53 × 3803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21969931)

Multiplication

n×y
n×2 43939862
n×3 65909793
n×4 87879724
n×5 109849655

Division

n÷y
n÷2 10984965.5
n÷3 7323310.3333333
n÷3 5492482.75
n÷5 4393986.2

Exponentiation

ny
n2 482677868144761
n3 1.0604399458367E+22
n4 2.3297792439677E+29
n5 5.1185089235203E+36

Nth Root

y√n
2√n 4687.2092976525
3√n 280.07621649675
4√n 68.463196665453
5√n 29.40124618649

Divisors of 21969931

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 -21969930
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 21969931 can be divided by 8 positive divisors. The sum of these divisors (counting 21969931) is 1, the average is 0.125.

Base conversion 21969931

Base System Value
2 Binary 1010011110011110000001011
3 Ternary 1112100012002011
4 Quaternary 1103303300023
5 Quinary 21111014211
6 Senary 2102520351
8 Octal 123636013
10 Decimal 21969931
12 Duodecimal 74360b7
16 Hexadecimal 14f3c0b
20 Vigesimal 6h64gb
36 Base36 d2w3v

Cryptographic Hash Functions

md5 c4a8c4505a2c867b4e3949658e09e465
sha1 23b8c8697e8bd171b8584acf9fce253695634000
sha256 59780adae2977d9a249b6be570e7c337b3be55b152ecb7386353d9ed1104b81e
sha512 a6366b5b0b53e3c45df924ca8ea77190892e0d725ac3ad48854a455975a0776913300845f0f08b09422197763df02f4ecd22e357f989ae30fd831c5df87b7361
ripemd-160 0cb8dad77e0a5acc0f22c317f8df861ab4d659e9

21969931 as geometric shapes

Circle

Radius = n
Diameter 43939862
Circumference 138041147.65895
Area 1.516377244614E+15

Sphere

Radius = n
Volume 4.4419604578852E+22
Surface area 6.0655089784559E+15
Circumference 138041147.65895

Square

Length = n
Perimeter 87879724
Area 482677868144761
Diagonal 31070174.384601

Cube

Length = n
Surface area 2896067208868566
Volume 1.0604399458367E+22
Space diagonal 38053036.730783

Equilateral Triangle

Length = n
Perimeter 65909793
Area 2.0900564782894E+14
Altitude 19026518.365391

Triangular Pyramid

Length = n
Surface area 2.0900564782894E+14
Volume 1.2497404612371E+21
Height 10356724.794867