188947981 (number)

188947981 is an odd 9-digits composite number following 188947980 and preceding 188947982. In scientific notation, it is written as 1.88947981 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 187505500 positive integers (up to 188947981) that are relatively prime to 188947981.

Interesting facts

Basic properties

Name

Name one hundred eighty-eight million nine hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 1.88947981 × 10^8
Engineering notation 1.88947981 × 10^6

Prime Factorization of 188947981

Prime Factorization 131 × 1442351

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 188947981
Product of the distinct prime numbers

The prime factorization of 188947981 is 131 × 1442351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 90, 28, 748, 44, 1478, 971, 69138, 59459, 119324, 571969, 5679272, 3530896, 30221344, 78943088, 739068834, 589543904, 7592151493, 5209780475

Basic calculations (n = 188947981)

Multiplication

n×y
n×2 377895962
n×3 566843943
n×4 755791924
n×5 944739905

Division

n÷y
n÷2 94473990.5
n÷3 62982660.333333
n÷3 47236995.25
n÷5 37789596.2

Exponentiation

ny
n2 35701339523976361
n3 6.7456960220508E+24
n4 1.2745856438062E+33
n5 2.4083038400877E+41

Nth Root

y√n
2√n 13745.835041932
3√n 573.82669985926
4√n 117.24263320965
5√n 45.213533713751

Divisors of 188947981

1, 131, 1442351, 188947981

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 -188947980
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 188947981 can be divided by 4 positive divisors. The sum of these divisors (counting 188947981) is 1, the average is 0.25.

Base conversion 188947981

Base System Value
2 Binary 1011010000110001111000001101
3 Ternary 111011112112220101
4 Quaternary 23100301320031
5 Quinary 341332313411
6 Senary 30425451101
8 Octal 1320617015
10 Decimal 188947981
12 Duodecimal 53340a91
16 Hexadecimal b431e0d
20 Vigesimal 2j0i9j1
36 Base36 34ht71

Cryptographic Hash Functions

md5 5d3374710523e4f6220dfd074e7113e7
sha1 c406620763e0803b66fcc012b364c38e4e53fb6f
sha256 f9645f16a226b8e43fda8d321073e6625a233891f2a07dfc3290a6d414f06dce
sha512 028c320de758db86b8d95d3d15a9f6e7666d02db39289fa5dd5765ec5c2b9a14657075765a4ab98a686031f0dd86f92fcfc0085cc26eb981b36be90c83a244b4
ripemd-160 07302c467d9583dc3351bb0645ac75383b0658ef

188947981 as geometric shapes

Circle

Radius = n
Diameter 377895962
Circumference 1187195178.0404
Area 1.1215906597184E+17

Sphere

Radius = n
Volume 2.8256305421633E+25
Surface area 4.4863626388736E+17
Circumference 1187195178.0404

Square

Length = n
Perimeter 755791924
Area 35701339523976361
Diagonal 267212797.31321

Cube

Length = n
Surface area 214208037143858166
Volume 6.7456960220508E+24
Space diagonal 327267503.07956

Equilateral Triangle

Length = n
Perimeter 566843943
Area 1.5459133488448E+16
Altitude 163633751.53978

Triangular Pyramid

Length = n
Surface area 1.5459133488448E+16
Volume 7.9498790016921E+23
Height 89070932.437738