20155949 (number)

20155949 is an odd 8-digits composite number following 20155948 and preceding 20155950. In scientific notation, it is written as 2.0155949 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 17879400 positive integers (up to 20155949) that are relatively prime to 20155949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155949 × 10^7
Engineering notation 2.0155949 × 10^6

Prime Factorization of 20155949

Prime Factorization 11 × 43 × 43 × 991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 468743
Product of the distinct prime numbers

The prime factorization of 20155949 is 11 × 43 × 43 × 991. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155949)

Multiplication

n×y
n×2 40311898
n×3 60467847
n×4 80623796
n×5 100779745

Division

n÷y
n÷2 10077974.5
n÷3 6718649.6666667
n÷3 5038987.25
n÷5 4031189.8

Exponentiation

ny
n2 406262280090601
n3 8.1886017981299E+21
n4 1.6504904022441E+29
n5 3.3267200372622E+36

Nth Root

y√n
2√n 4489.5377267598
3√n 272.14545367015
4√n 67.004012766101
5√n 28.898855946343

Divisors of 20155949

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 -20155948
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 20155949 can be divided by 12 positive divisors. The sum of these divisors (counting 20155949) is 1, the average is 0.083333333333333.

Base conversion 20155949

Base System Value
2 Binary 1001100111000111000101101
3 Ternary 1101221000202122
4 Quaternary 1030320320231
5 Quinary 20124442244
6 Senary 2000002325
8 Octal 114707055
10 Decimal 20155949
12 Duodecimal 69003a5
16 Hexadecimal 1338e2d
20 Vigesimal 65j9h9
36 Base36 c00fh

Cryptographic Hash Functions

md5 7c81429296dd3d5b17975201da864394
sha1 14dbb173aaf626c3f85c518b3f5a874b26a781ac
sha256 d821c3ac955decf228a3cf420eb715ee84584d215cdc8c970f64d1383ed7a075
sha512 71770767e90db3c277847f08f74b2906c5682bbe0a94fb4425eb422f6a7526b8e295003240ae8c13a65b4f95935785ad3f516a97fabe7675f3abf85afc2faaf0
ripemd-160 f59d35c45ab34d2633bfad11c600e2e94ccae6bf

20155949 as geometric shapes

Circle

Radius = n
Diameter 40311898
Circumference 126643562.60906
Area 1.2763105945633E+15

Sphere

Radius = n
Volume 3.4300335002903E+22
Surface area 5.1052423782531E+15
Circumference 126643562.60906

Square

Length = n
Perimeter 80623796
Area 406262280090601
Diagonal 28504816.4383

Cube

Length = n
Surface area 2437573680543606
Volume 8.1886017981299E+21
Space diagonal 34911127.742767

Equilateral Triangle

Length = n
Perimeter 60467847
Area 1.7591672757892E+14
Altitude 17455563.871384

Triangular Pyramid

Length = n
Surface area 1.7591672757892E+14
Volume 9.65035976649E+20
Height 9501605.4794335