21550145 (number)

21550145 is an odd 8-digits composite number following 21550144 and preceding 21550146. In scientific notation, it is written as 2.1550145 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17210736 positive integers (up to 21550145) that are relatively prime to 21550145.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty thousand one hundred forty-five

Notation

Scientific notation 2.1550145 × 10^7
Engineering notation 2.1550145 × 10^6

Prime Factorization of 21550145

Prime Factorization 5 × 643 × 6703

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21550145
Product of the distinct prime numbers

The prime factorization of 21550145 is 5 × 643 × 6703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21550145)

Multiplication

n×y
n×2 43100290
n×3 64650435
n×4 86200580
n×5 107750725

Division

n÷y
n÷2 10775072.5
n÷3 7183381.6666667
n÷3 5387536.25
n÷5 4310029

Exponentiation

ny
n2 464408749521025
n3 1.0008075891447E+22
n4 2.1567548663168E+29
n5 4.6478380098583E+36

Nth Root

y√n
2√n 4642.2133729505
3√n 278.28089976078
4√n 68.133790243538
5√n 29.288021813359

Divisors of 21550145

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 -21550144
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 21550145 can be divided by 8 positive divisors. The sum of these divisors (counting 21550145) is 1, the average is 0.125.

Base conversion 21550145

Base System Value
2 Binary 1010010001101010001000001
3 Ternary 1111112212020112
4 Quaternary 1102031101001
5 Quinary 21004101040
6 Senary 2045521105
8 Octal 122152101
10 Decimal 21550145
12 Duodecimal 7273195
16 Hexadecimal 148d441
20 Vigesimal 6edf75
36 Base36 ctw75

Cryptographic Hash Functions

md5 f72403612a71dd36ac86314f29d558a3
sha1 79394d4d5216261e74cd7ce2fab6fc37d8923af7
sha256 214da8b454c6b99612b78a5948289235c9bf4523fb47f839bcb3b79ea4730a06
sha512 04f6de254279b1c7affea58d5d7dcc5d9fa3e41d3ef28e01351e713627ba519c89ff3fa8b579511729a9774006ea8b1db8a844661c607de0e5c9a440743efd65
ripemd-160 0a721db14442c0c4ea3e136dd64dee6b2d8bead3

21550145 as geometric shapes

Circle

Radius = n
Diameter 43100290
Circumference 135403554.43159
Area 1.4589831157581E+15

Sphere

Radius = n
Volume 4.1921730262851E+22
Surface area 5.8359324630323E+15
Circumference 135403554.43159

Square

Length = n
Perimeter 86200580
Area 464408749521025
Diagonal 30476507.330107

Cube

Length = n
Surface area 2786452497126150
Volume 1.0008075891447E+22
Space diagonal 37325946.050476

Equilateral Triangle

Length = n
Perimeter 64650435
Area 2.0109488741249E+14
Altitude 18662973.025238

Triangular Pyramid

Length = n
Surface area 2.0109488741249E+14
Volume 1.1794630549119E+21
Height 10158835.776702