21869968 (number)

21869968 is an even 8-digits composite number following 21869967 and preceding 21869969. In scientific notation, it is written as 2.1869968 × 10^7. The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors. There are 10870400 positive integers (up to 21869968) that are relatively prime to 21869968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1869968 × 10^7
Engineering notation 2.1869968 × 10^6

Prime Factorization of 21869968

Prime Factorization 2 × 2 × 2 × 2 × 173 × 7901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2733746
Product of the distinct prime numbers

The prime factorization of 21869968 is 2 × 2 × 2 × 2 × 173 × 7901. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 6, 23, 50, 125, 303, 4547, 7244, 3997, 45274, 367260, 9648, 6499715, 1892890, 1943468, 2639894, 58884432, 452759397, 6309502117, 4901983660

Basic calculations (n = 21869968)

Multiplication

n×y
n×2 43739936
n×3 65609904
n×4 87479872
n×5 109349840

Division

n÷y
n÷2 10934984
n÷3 7289989.3333333
n÷3 5467492
n÷5 4373993.6

Exponentiation

ny
n2 478295500321024
n3 1.0460307286565E+22
n4 2.2876658562734E+29
n5 5.0031179071392E+36

Nth Root

y√n
2√n 4676.5337590998
3√n 279.65078914149
4√n 68.385186693463
5√n 29.374442274734

Divisors of 21869968

1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7901, 15802, 31604, 63208, 126416, 1366873, 2733746, 5467492, 10934984, 21869968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21869967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21869968 can be divided by 20 positive divisors. The sum of these divisors (counting 21869968) is 1, the average is 0.05.

Base conversion 21869968

Base System Value
2 Binary 1010011011011010110010000
3 Ternary 1112011002221211
4 Quaternary 1103123112100
5 Quinary 21044314333
6 Senary 2100425504
8 Octal 123332620
10 Decimal 21869968
12 Duodecimal 73a8294
16 Hexadecimal 14db590
20 Vigesimal 6gdei8
36 Base36 d0qz4

Cryptographic Hash Functions

md5 e9257a8be20366d221b0582fd6bdb1c1
sha1 e09adccc7d701a99b9a5e74456100aba7101c960
sha256 60b34ddcdc4441243dbe313402c80fb18e3be7b6e299bf5961b78e69b7eabd01
sha512 c110ebcbe005896c22a8bc288edc605e4739b0fc5d1310001707b0fbf9f17cb0a9dc878959e449328448a9e178dc7f6e2661b8d569044b6daa1236edcfa040da
ripemd-160 6984f9620998cbdfe50261b30932c97cba249a4e

21869968 as geometric shapes

Circle

Radius = n
Diameter 43739936
Circumference 137413061.60609
Area 1.5026096300536E+15

Sphere

Radius = n
Volume 4.3816032701018E+22
Surface area 6.0104385202143E+15
Circumference 137413061.60609

Square

Length = n
Perimeter 87479872
Area 478295500321024
Diagonal 30928805.354266

Cube

Length = n
Surface area 2869773001926144
Volume 1.0460307286565E+22
Space diagonal 37879895.735906

Equilateral Triangle

Length = n
Perimeter 65609904
Area 2.071080268969E+14
Altitude 18939947.867953

Triangular Pyramid

Length = n
Surface area 2.071080268969E+14
Volume 1.2327590359375E+21
Height 10309601.784755