20155908 (number)

20155908 is an even 8-digits composite number following 20155907 and preceding 20155909. In scientific notation, it is written as 2.0155908 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 6718632 positive integers (up to 20155908) that are relatively prime to 20155908.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand nine hundred eight

Notation

Scientific notation 2.0155908 × 10^7
Engineering notation 2.0155908 × 10^6

Prime Factorization of 20155908

Prime Factorization 2 × 2 × 3 × 1679659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10077954
Product of the distinct prime numbers

The prime factorization of 20155908 is 2 × 2 × 3 × 1679659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 58, 71, 577, 517, 8166, 3299, 10555, 65687, 866754, 361578, 2780498, 4984894, 60742773, 22329828, 135613561, 808014510, 6415683427, 8563585749

Basic calculations (n = 20155908)

Multiplication

n×y
n×2 40311816
n×3 60467724
n×4 80623632
n×5 100779540

Division

n÷y
n÷2 10077954
n÷3 6718636
n÷3 5038977
n÷5 4031181.6

Exponentiation

ny
n2 406260627304464
n3 8.1885518279711E+21
n4 1.6504769729782E+29
n5 3.3266862023466E+36

Nth Root

y√n
2√n 4489.5331605859
3√n 272.14526914281
4√n 67.003978692208
5√n 28.898844189476

Divisors of 20155908

1, 2, 3, 4, 6, 12, 1679659, 3359318, 5038977, 6718636, 10077954, 20155908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155908 can be divided by 12 positive divisors. The sum of these divisors (counting 20155908) is 1, the average is 0.083333333333333.

Base conversion 20155908

Base System Value
2 Binary 1001100111000111000000100
3 Ternary 1101221000201010
4 Quaternary 1030320320010
5 Quinary 20124442113
6 Senary 2000002220
8 Octal 114707004
10 Decimal 20155908
12 Duodecimal 6900370
16 Hexadecimal 1338e04
20 Vigesimal 65j9f8
36 Base36 c00ec

Cryptographic Hash Functions

md5 d34911f48cf2e99931a3e8175d8aa2e1
sha1 b92abbfb3df0ced5caf07a0b2b1404561681a747
sha256 730a56bf6314024b05eb88abac560a749276293af18f98f9a104a7ad2fe711fb
sha512 85ccd17a5665e4bd87fa617c27a615b04aebfbe2efb8dba5d4b988530a161f79884720fcdb2747ce508018dc2afbc8b046da09068f5bae39cdfdd55d07c7292e
ripemd-160 1ce134af726615ac27ed9bc7f8c0474e7ba90f1d

20155908 as geometric shapes

Circle

Radius = n
Diameter 40311816
Circumference 126643304.99846
Area 1.2763054021825E+15

Sphere

Radius = n
Volume 3.4300125688391E+22
Surface area 5.1052216087299E+15
Circumference 126643304.99846

Square

Length = n
Perimeter 80623632
Area 406260627304464
Diagonal 28504758.455544

Cube

Length = n
Surface area 2437563763826784
Volume 8.1885518279711E+21
Space diagonal 34911056.728684

Equilateral Triangle

Length = n
Perimeter 60467724
Area 1.7591601190153E+14
Altitude 17455528.364342

Triangular Pyramid

Length = n
Surface area 1.7591601190153E+14
Volume 9.6503008760931E+20
Height 9501586.1518481