21869946 (number)

21869946 is an even 8-digits composite number following 21869945 and preceding 21869947. In scientific notation, it is written as 2.1869946 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 6110640 positive integers (up to 21869946) that are relatively prime to 21869946.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1869946 × 10^7
Engineering notation 2.1869946 × 10^6

Prime Factorization of 21869946

Prime Factorization 2 × 189 × 47 × 1231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21869946
Product of the distinct prime numbers

The prime factorization of 21869946 is 2 × 189 × 47 × 1231. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21869946)

Multiplication

n×y
n×2 43739892
n×3 65609838
n×4 87479784
n×5 109349730

Division

n÷y
n÷2 10934973
n÷3 7289982
n÷3 5467486.5
n÷5 4373989.2

Exponentiation

ny
n2 478294538042916
n3 1.0460275719094E+22
n4 2.2876566512169E+29
n5 5.0030927428654E+36

Nth Root

y√n
2√n 4676.5314069297
3√n 279.65069537029
4√n 68.385169495511
5√n 29.374436364913

Divisors of 21869946

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 -21869945
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 21869946 can be divided by 16 positive divisors. The sum of these divisors (counting 21869946) is 1, the average is 0.0625.

Base conversion 21869946

Base System Value
2 Binary 1010011011011010101111010
3 Ternary 1112011002221000
4 Quaternary 1103123111322
5 Quinary 21044314241
6 Senary 2100425430
8 Octal 123332572
10 Decimal 21869946
12 Duodecimal 73a8276
16 Hexadecimal 14db57a
20 Vigesimal 6gdeh6
36 Base36 d0qyi

Cryptographic Hash Functions

md5 0ea914d6d048a13d4e787d03c054e821
sha1 a932301b355f5247a59464f99d39dcb74058007a
sha256 4831c7207d6ec8aee08698b7fc4ad3c0e51467fde090d85b36558619f8b3fe89
sha512 e0428f127bac92a09b1e00c63cd53a25e3fb7e7b260cac4b0e0eec6cb115861a7989e23812220e148f871c8237a0509ed77c5552340e5c5d01e5753727156c17
ripemd-160 d3912c0bc0f034215d5b55e363a8c0a57dd41b3e

21869946 as geometric shapes

Circle

Radius = n
Diameter 43739892
Circumference 137412923.37601
Area 1.5026066069677E+15

Sphere

Radius = n
Volume 4.3815900471504E+22
Surface area 6.010426427871E+15
Circumference 137412923.37601

Square

Length = n
Perimeter 87479784
Area 478294538042916
Diagonal 30928774.241567

Cube

Length = n
Surface area 2869767228257496
Volume 1.0460275719094E+22
Space diagonal 37879857.630788

Equilateral Triangle

Length = n
Perimeter 65609838
Area 2.0710761021825E+14
Altitude 18939928.815394

Triangular Pyramid

Length = n
Surface area 2.0710761021825E+14
Volume 1.2327553156753E+21
Height 10309591.413856