189810981 (number)

189810981 is an odd 9-digits composite number following 189810980 and preceding 189810982. In scientific notation, it is written as 1.89810981 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 126540648 positive integers (up to 189810981) that are relatively prime to 189810981.

Interesting facts

Basic properties

Name

Name one hundred eighty-nine million eight hundred ten thousand nine hundred eighty-one

Notation

Scientific notation 1.89810981 × 10^8
Engineering notation 1.89810981 × 10^6

Prime Factorization of 189810981

Prime Factorization 9 × 21090109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 189810981
Product of the distinct prime numbers

The prime factorization of 189810981 is 9 × 21090109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 73, 97, 329, 597, 2049, 2923, 98445, 67577, 138106, 428602, 4932741, 8822693, 74867881, 31385443, 356415605, 786779393, 6008950099, 6548771719

Basic calculations (n = 189810981)

Multiplication

n×y
n×2 379621962
n×3 569432943
n×4 759243924
n×5 949054905

Division

n÷y
n÷2 94905490.5
n÷3 63270327
n÷3 47452745.25
n÷5 37962196.2

Exponentiation

ny
n2 36028208508182361
n3 6.8385496006106E+24
n4 1.2980318083091E+33
n5 2.4638069090435E+41

Nth Root

y√n
2√n 13777.190606216
3√n 574.69900415361
4√n 117.3762778683
5√n 45.254760074088

Divisors of 189810981

1, 9, 21090109, 189810981

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 -189810980
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 189810981 can be divided by 4 positive divisors. The sum of these divisors (counting 189810981) is 1, the average is 0.25.

Base conversion 189810981

Base System Value
2 Binary 1011010100000100100100100101
3 Ternary 111020011101201100
4 Quaternary 23110010210211
5 Quinary 342042422411
6 Senary 30500150313
8 Octal 1324044445
10 Decimal 189810981
12 Duodecimal 53698399
16 Hexadecimal b504925
20 Vigesimal 2j66791
36 Base36 350b39

Cryptographic Hash Functions

md5 51393e73cab6cc8554ed35e9558fe1d3
sha1 2aad8caa56725ae397a4ca7dcc6e766302822a0f
sha256 d20303f1d6e923d90459184348ac69d37915316d3a131f38c07d1d08a4881341
sha512 dcaa56769c9c9c1b453d859072633282e4c82e4e8c58fc4e5a735477d2cba06201d513e81c1005f8b0f915c0417ecdd06e1d9392bd98a3b8c0cc5ace8d526cca
ripemd-160 262e61b13d3eee0324f996d8e9787ea0685576f2

189810981 as geometric shapes

Circle

Radius = n
Diameter 379621962
Circumference 1192617566.9605
Area 1.1318595517131E+17

Sphere

Radius = n
Volume 2.8645249581984E+25
Surface area 4.5274382068523E+17
Circumference 1192617566.9605

Square

Length = n
Perimeter 759243924
Area 36028208508182361
Diagonal 268433263.61754

Cube

Length = n
Surface area 216169251049094166
Volume 6.8385496006106E+24
Space diagonal 328762262.92649

Equilateral Triangle

Length = n
Perimeter 569432943
Area 1.5600671910464E+16
Altitude 164381131.46325

Triangular Pyramid

Length = n
Surface area 1.5600671910464E+16
Volume 8.0593079934539E+23
Height 89477754.539181