21887841 (number)

21887841 is an odd 8-digits composite number following 21887840 and preceding 21887842. In scientific notation, it is written as 2.1887841 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14498640 positive integers (up to 21887841) that are relatively prime to 21887841.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-seven thousand eight hundred forty-one

Notation

Scientific notation 2.1887841 × 10^7
Engineering notation 2.1887841 × 10^6

Prime Factorization of 21887841

Prime Factorization 3 × 157 × 46471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21887841
Product of the distinct prime numbers

The prime factorization of 21887841 is 3 × 157 × 46471. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21887841)

Multiplication

n×y
n×2 43775682
n×3 65663523
n×4 87551364
n×5 109439205

Division

n÷y
n÷2 10943920.5
n÷3 7295947
n÷3 5471960.25
n÷5 4377568.2

Exponentiation

ny
n2 479077583641281
n3 1.0485973977405E+22
n4 2.2951533114757E+29
n5 5.0235950752203E+36

Nth Root

y√n
2√n 4678.444292711
3√n 279.72694894805
4√n 68.399154181254
5√n 29.379241896458

Divisors of 21887841

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 -21887840
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 21887841 can be divided by 8 positive divisors. The sum of these divisors (counting 21887841) is 1, the average is 0.125.

Base conversion 21887841

Base System Value
2 Binary 1010011011111101101100001
3 Ternary 1112012000110210
4 Quaternary 1103133231201
5 Quinary 21100402331
6 Senary 2101044333
8 Octal 123375541
10 Decimal 21887841
12 Duodecimal 73b66a9
16 Hexadecimal 14dfb61
20 Vigesimal 6gfjc1
36 Base36 d14rl

Cryptographic Hash Functions

md5 495cbbfb223f7bee0f2c44afa13de174
sha1 f0a04ab66890039922bc2b1198f555145241089d
sha256 e419c302e66105805868256397103c6c524911874352c36c1f372e952b3f6b80
sha512 8d22d82d2cd5ae514f27a7043a4c61224b6307dbeb60f73b821710a6a37c35162eccdb5f9c1e1a0768497342e95ee82a8386416f981f5aef31872a4647104cae
ripemd-160 c15800b1c407ecef6bfc4d3ff6ad15f3fb4d93bd

21887841 as geometric shapes

Circle

Radius = n
Diameter 43775682
Circumference 137525360.97708
Area 1.505066617267E+15

Sphere

Radius = n
Volume 4.3923545084197E+22
Surface area 6.020266469068E+15
Circumference 137525360.97708

Square

Length = n
Perimeter 87551364
Area 479077583641281
Diagonal 30954081.593266

Cube

Length = n
Surface area 2874465501847686
Volume 1.0485973977405E+22
Space diagonal 37910852.679989

Equilateral Triangle

Length = n
Perimeter 65663523
Area 2.0744667890851E+14
Altitude 18955426.339995

Triangular Pyramid

Length = n
Surface area 2.0744667890851E+14
Volume 1.2357838844614E+21
Height 10318027.197755