281640164 (number)

281640164 is an even 9-digits composite number following 281640163 and preceding 281640165. In scientific notation, it is written as 2.81640164 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 129987744 positive integers (up to 281640164) that are relatively prime to 281640164.

Interesting facts

Basic properties

Name

Name two hundred eighty-one million six hundred forty thousand one hundred sixty-four

Notation

Scientific notation 2.81640164 × 10^8
Engineering notation 2.81640164 × 10^6

Prime Factorization of 281640164

Prime Factorization 2 × 2 × 13 × 5416157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 140820082
Product of the distinct prime numbers

The prime factorization of 281640164 is 2 × 2 × 13 × 5416157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 281640164)

Multiplication

n×y
n×2 563280328
n×3 844920492
n×4 1126560656
n×5 1408200820

Division

n÷y
n÷2 140820082
n÷3 93880054.666667
n÷3 70410041
n÷5 56328032.8

Exponentiation

ny
n2 79321181977946896
n3 2.2340030700943E+25
n4 6.2918499103786E+33
n5 1.7720376406224E+42

Nth Root

y√n
2√n 16782.138242787
3√n 655.48817713879
4√n 129.54589241958
5√n 48.970993820462

Divisors of 281640164

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 -281640163
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 281640164 can be divided by 12 positive divisors. The sum of these divisors (counting 281640164) is 1, the average is 0.083333333333333.

Base conversion 281640164

Base System Value
2 Binary 10000110010010111110011100100
3 Ternary 201121221210200012
4 Quaternary 100302113303210
5 Quinary 1034044441124
6 Senary 43540305352
8 Octal 2062276344
10 Decimal 281640164
12 Duodecimal 7a3a2258
16 Hexadecimal 10c97ce4
20 Vigesimal 4805084
36 Base36 4noixw

Cryptographic Hash Functions

md5 54877fcefaa450010640a6776f1e1867
sha1 3072aa0367c30eb4c5cb96acbad0c4c3e367b0c4
sha256 7a1ce010f4edc64de8cbe1b592d7485790a04ade7de2565ec59ec8c45a0c9bb4
sha512 f189126bba263fa4362d227dc3c1516b289b51f3a8b72bbd58c8587126c0516553b24c398c561892fc180b52042ce33c9f0fbc705e9da299e52be27ab5a7a27c
ripemd-160 d7fecd7c9fe607d1d1d1f6d71d2f4bb66349d4da

281640164 as geometric shapes

Circle

Radius = n
Diameter 563280328
Circumference 1769597340.3564
Area 2.4919484257598E+17

Sphere

Radius = n
Volume 9.3577701774736E+25
Surface area 9.9677937030391E+17
Circumference 1769597340.3564

Square

Length = n
Perimeter 1126560656
Area 79321181977946896
Diagonal 398299339.63778

Cube

Length = n
Surface area 475927091867681376
Volume 2.2340030700943E+25
Space diagonal 487815073.50003

Equilateral Triangle

Length = n
Perimeter 844920492
Area 3.4347079325555E+16
Altitude 243907536.75002

Triangular Pyramid

Length = n
Surface area 3.4347079325555E+16
Volume 2.6327978667587E+24
Height 132766446.54593