21969915 (number)

21969915 is an odd 8-digits composite number following 21969914 and preceding 21969916. In scientific notation, it is written as 2.1969915 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 10421760 positive integers (up to 21969915) that are relatively prime to 21969915.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1969915 × 10^7
Engineering notation 2.1969915 × 10^6

Prime Factorization of 21969915

Prime Factorization 3 × 5 × 517 × 2833

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21969915
Product of the distinct prime numbers

The prime factorization of 21969915 is 3 × 5 × 517 × 2833. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 32, 23, 794, 264, 9884, 1904, 76248, 86227, 701002, 585602, 6418872, 7931551, 77836465, 52094549, 878980907, 727703376, 2748715248, 2973806363

Basic calculations (n = 21969915)

Multiplication

n×y
n×2 43939830
n×3 65909745
n×4 87879660
n×5 109849575

Division

n÷y
n÷2 10984957.5
n÷3 7323305
n÷3 5492478.75
n÷5 4393983

Exponentiation

ny
n2 482677165107225
n3 1.0604376289847E+22
n4 2.3297724571595E+29
n5 5.1184902853135E+36

Nth Root

y√n
2√n 4687.2075908797
3√n 280.07614850654
4√n 68.463184200559
5√n 29.401241904091

Divisors of 21969915

1, 3, 5, 15, 517, 1551, 2585, 2833, 7755, 8499, 14165, 42495, 1464661, 4393983, 7323305, 21969915

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21969914
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21969915 can be divided by 16 positive divisors. The sum of these divisors (counting 21969915) is 1, the average is 0.0625.

Base conversion 21969915

Base System Value
2 Binary 1010011110011101111111011
3 Ternary 1112100012001120
4 Quaternary 1103303233323
5 Quinary 21111014130
6 Senary 2102520323
8 Octal 123635773
10 Decimal 21969915
12 Duodecimal 74360a3
16 Hexadecimal 14f3bfb
20 Vigesimal 6h64ff
36 Base36 d2w3f

Cryptographic Hash Functions

md5 e77b1b34824c4eb357dc2a77725bfafd
sha1 841f5d2665bf3f04e6503c85d57cc9899f315963
sha256 5b5faae0c73e472d3a19e0315436f44a7f724db04afa18c2696c87f1700b40d5
sha512 6cf50ef0bfe8aa79b5dd899b04196fb1e7c263eefebcb19f9e2c8cc48f2088e8f090c814fa44d28e2146e15aca7a331a437c19f09e62940cf9a62ee9130591b9
ripemd-160 92a3e46e234c677dbb44f74f7a94f85998b3d161

21969915 as geometric shapes

Circle

Radius = n
Diameter 43939830
Circumference 138041047.12798
Area 1.5163750359564E+15

Sphere

Radius = n
Volume 4.4419507530779E+22
Surface area 6.0655001438256E+15
Circumference 138041047.12798

Square

Length = n
Perimeter 87879660
Area 482677165107225
Diagonal 31070151.757184

Cube

Length = n
Surface area 2896062990643350
Volume 1.0604376289847E+22
Space diagonal 38053009.01797

Equilateral Triangle

Length = n
Perimeter 65909745
Area 2.0900534340476E+14
Altitude 19026504.508985

Triangular Pyramid

Length = n
Surface area 2.0900534340476E+14
Volume 1.2497377308007E+21
Height 10356717.252395