20155281 (number)

20155281 is an odd 8-digits composite number following 20155280 and preceding 20155282. In scientific notation, it is written as 2.0155281 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13330800 positive integers (up to 20155281) that are relatively prime to 20155281.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand two hundred eighty-one

Notation

Scientific notation 2.0155281 × 10^7
Engineering notation 2.0155281 × 10^6

Prime Factorization of 20155281

Prime Factorization 3 × 127 × 52901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155281
Product of the distinct prime numbers

The prime factorization of 20155281 is 3 × 127 × 52901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155281)

Multiplication

n×y
n×2 40310562
n×3 60465843
n×4 80621124
n×5 100776405

Division

n÷y
n÷2 10077640.5
n÷3 6718427
n÷3 5038820.25
n÷5 4031056.2

Exponentiation

ny
n2 406235352188961
n3 8.1877876755025E+21
n4 1.6502716136809E+29
n5 3.3261688100062E+36

Nth Root

y√n
2√n 4489.4633309562
3√n 272.14244719348
4√n 67.003457604486
5√n 28.898664393054

Divisors of 20155281

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 -20155280
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 20155281 can be divided by 8 positive divisors. The sum of these divisors (counting 20155281) is 1, the average is 0.125.

Base conversion 20155281

Base System Value
2 Binary 1001100111000101110010001
3 Ternary 1101220222211220
4 Quaternary 1030320232101
5 Quinary 20124432111
6 Senary 1555555253
8 Octal 114705621
10 Decimal 20155281
12 Duodecimal 68bbb29
16 Hexadecimal 1338b91
20 Vigesimal 65j841
36 Base36 bzzwx

Cryptographic Hash Functions

md5 f9b1c8c5a67dabc171a08e9a99825bab
sha1 755ef3b929a73ba884dca65c52f437488e8bce82
sha256 8b1385ded2bb8b82dd73c27ad71a2910fd7240a34dad1bd737089e6c0e36602e
sha512 b18ca3dafe053d3f3ef9c784800d7f98cc87a804192dd3822d5549c510f1dd4425d324d4dbf72ff585cac8d2f7c62b003403388197e9737f7920bd925598e623
ripemd-160 d9c92addb43940e07041bcab47dd08eab2591dfb

20155281 as geometric shapes

Circle

Radius = n
Diameter 40310562
Circumference 126639365.44128
Area 1.2762259980653E+15

Sphere

Radius = n
Volume 3.4296924814015E+22
Surface area 5.1049039922612E+15
Circumference 126639365.44128

Square

Length = n
Perimeter 80621124
Area 406235352188961
Diagonal 28503871.743641

Cube

Length = n
Surface area 2437412113133766
Volume 8.1877876755025E+21
Space diagonal 34909970.732828

Equilateral Triangle

Length = n
Perimeter 60465843
Area 1.7590506745548E+14
Altitude 17454985.366414

Triangular Pyramid

Length = n
Surface area 1.7590506745548E+14
Volume 9.6494003137724E+20
Height 9501290.5812136