21872005 (number)

21872005 is an odd 8-digits composite number following 21872004 and preceding 21872006. In scientific notation, it is written as 2.1872005 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 17497600 positive integers (up to 21872005) that are relatively prime to 21872005.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventy-two thousand five

Notation

Scientific notation 2.1872005 × 10^7
Engineering notation 2.1872005 × 10^6

Prime Factorization of 21872005

Prime Factorization 5 × 4374401

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21872005
Product of the distinct prime numbers

The prime factorization of 21872005 is 5 × 4374401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21872005)

Multiplication

n×y
n×2 43744010
n×3 65616015
n×4 87488020
n×5 109360025

Division

n÷y
n÷2 10936002.5
n÷3 7290668.3333333
n÷3 5468001.25
n÷5 4374401

Exponentiation

ny
n2 478384602720025
n3 1.0463230422615E+22
n4 2.288518281196E+29
n5 5.0054483288909E+36

Nth Root

y√n
2√n 4676.7515435396
3√n 279.65947122967
4√n 68.386779011294
5√n 29.374989449836

Divisors of 21872005

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21872004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21872005 can be divided by 4 positive divisors. The sum of these divisors (counting 21872005) is 1, the average is 0.25.

Base conversion 21872005

Base System Value
2 Binary 1010011011011110110000101
3 Ternary 1112011012202021
4 Quaternary 1103123312011
5 Quinary 21044401010
6 Senary 2100443141
8 Octal 123336605
10 Decimal 21872005
12 Duodecimal 73a94b1
16 Hexadecimal 14dbd85
20 Vigesimal 6ge005
36 Base36 d0sjp

Cryptographic Hash Functions

md5 3575d368099804e8e41d41b4e9735325
sha1 3fbf6aa7d86b85fc122bfdfeeb1c2bd7b3e25940
sha256 7ee17f2f03d157d371ffb5a3f21dc308e6e0f3544c1d98c949cfb28c48d60b11
sha512 ee85b70dd1684d050836c80205cdf22cf3528a9ad6fc8ffe9ce61efbda532c6947cb09cd4b4dde60d2820b25b31e7808c7b45129d66ac52b4002df3e27128c3f
ripemd-160 f6bd3d7b353a2b64a4a65a2a145470015afb24b6

21872005 as geometric shapes

Circle

Radius = n
Diameter 43744010
Circumference 137425860.45456
Area 1.5028895534957E+15

Sphere

Radius = n
Volume 4.3828277104674E+22
Surface area 6.0115582139828E+15
Circumference 137425860.45456

Square

Length = n
Perimeter 87488020
Area 478384602720025
Diagonal 30931686.107292

Cube

Length = n
Surface area 2870307616320150
Volume 1.0463230422615E+22
Space diagonal 37883423.923401

Equilateral Triangle

Length = n
Perimeter 65616015
Area 2.0714660936743E+14
Altitude 18941711.9617

Triangular Pyramid

Length = n
Surface area 2.0714660936743E+14
Volume 1.2331035308248E+21
Height 10310562.035764