28281640 (number)

28281640 is an even 8-digits composite number following 28281639 and preceding 28281641. In scientific notation, it is written as 2.8281640 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors. There are 11210752 positive integers (up to 28281640) that are relatively prime to 28281640.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred eighty-one thousand six hundred forty

Notation

Scientific notation 2.8281640 × 10^7
Engineering notation 2.8281640 × 10^6

Prime Factorization of 28281640

Prime Factorization 2 × 2 × 2 × 5 × 113 × 6257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7070410
Product of the distinct prime numbers

The prime factorization of 28281640 is 2 × 2 × 2 × 5 × 113 × 6257. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 9, 98, 66, 693, 311, 2403, 9672, 79279, 78511, 352653, 784316, 2898559, 3762671, 71346384, 2216725, 898040707, 150586192, 5453275479, 521104612

Basic calculations (n = 28281640)

Multiplication

n×y
n×2 56563280
n×3 84844920
n×4 113126560
n×5 141408200

Division

n÷y
n÷2 14140820
n÷3 9427213.3333333
n÷3 7070410
n÷5 5656328

Exponentiation

ny
n2 799851161089600
n3 2.2621102591518E+22
n4 6.3976187989638E+29
n5 1.8093515172953E+37

Nth Root

y√n
2√n 5318.0485142578
3√n 304.67362741134
4√n 72.924951246181
5√n 30.924374068451

Divisors of 28281640

1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6257, 12514, 25028, 31285, 50056, 62570, 125140, 250280, 707041, 1414082, 2828164, 3535205, 5656328, 7070410, 14140820, 28281640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28281639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28281640 can be divided by 32 positive divisors. The sum of these divisors (counting 28281640) is 1, the average is 0.03125.

Base conversion 28281640

Base System Value
2 Binary 1101011111000101100101000
3 Ternary 1222012212010011
4 Quaternary 1223320230220
5 Quinary 24220003030
6 Senary 2450101304
8 Octal 153705450
10 Decimal 28281640
12 Duodecimal 957a834
16 Hexadecimal 1af8b28
20 Vigesimal 8gf420
36 Base36 gu694

Cryptographic Hash Functions

md5 3df41d70d681109bba51a63e5b484359
sha1 54bfe89aa66d3250382d84ae8e0ca86972458dba
sha256 93f438b5ec0db880ea43fe5c37d7724d2be9029ec541ea0c6b0a3e2d25ae453e
sha512 8eddcf291b8d23e744239ec2893e08b69e9ff4db8bad850931a0655cd351cc6d92eb2bb44ec38525c97fae747b4e607c5dd78ac0435b20629a3e4004be600e4b
ripemd-160 cf611c45147ce850fe6fe24bb4b7f80d3b18a117

28281640 as geometric shapes

Circle

Radius = n
Diameter 56563280
Circumference 177698784.91094
Area 2.5128065316444E+15

Sphere

Radius = n
Volume 9.4755052956819E+22
Surface area 1.0051226126577E+16
Circumference 177698784.91094

Square

Length = n
Perimeter 113126560
Area 799851161089600
Diagonal 39996278.854153

Cube

Length = n
Surface area 4799106966537600
Volume 2.2621102591518E+22
Space diagonal 48985237.401372

Equilateral Triangle

Length = n
Perimeter 84844920
Area 3.4634571237504E+14
Altitude 24492618.700686

Triangular Pyramid

Length = n
Surface area 3.4634571237504E+14
Volume 2.6659225067298E+21
Height 13332092.951384