28261380 (number)

28261380 is an even 8-digits composite number following 28261379 and preceding 28261381. In scientific notation, it is written as 2.8261380 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 6459648 positive integers (up to 28261380) that are relatively prime to 28261380.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-one thousand three hundred eighty

Notation

Scientific notation 2.8261380 × 10^7
Engineering notation 2.8261380 × 10^6

Prime Factorization of 28261380

Prime Factorization 2 × 2 × 3 × 35 × 67289

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14130690
Product of the distinct prime numbers

The prime factorization of 28261380 is 2 × 2 × 3 × 35 × 67289. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 1, 47, 535, 892, 8854, 542, 56391, 17912, 137887, 446253, 764461, 6513507, 42926052, 65783971, 425199015, 847079732, 3348176237, 2543182000

Basic calculations (n = 28261380)

Multiplication

n×y
n×2 56522760
n×3 84784140
n×4 113045520
n×5 141306900

Division

n÷y
n÷2 14130690
n÷3 9420460
n÷3 7065345
n÷5 5652276

Exponentiation

ny
n2 798705599504400
n3 2.2572522455722E+22
n4 6.3793063467968E+29
n5 1.8028800080324E+37

Nth Root

y√n
2√n 5316.1433389253
3√n 304.60085744178
4√n 72.911887500773
5√n 30.919942165456

Divisors of 28261380

1, 2, 3, 4, 6, 12, 35, 70, 105, 140, 210, 420, 67289, 134578, 201867, 269156, 403734, 807468, 2355115, 4710230, 7065345, 9420460, 14130690, 28261380

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28261379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28261380 can be divided by 24 positive divisors. The sum of these divisors (counting 28261380) is 1, the average is 0.041666666666667.

Base conversion 28261380

Base System Value
2 Binary 1101011110011110000000100
3 Ternary 1222011211022210
4 Quaternary 1223303300010
5 Quinary 24213331010
6 Senary 2445423420
8 Octal 153636004
10 Decimal 28261380
12 Duodecimal 956ab70
16 Hexadecimal 1af3c04
20 Vigesimal 8gcd90
36 Base36 gtqmc

Cryptographic Hash Functions

md5 9fc316f1d6f1ce3c069b23bef10782da
sha1 732a3e79e57c81986a05ca1c812a0d84cfbba922
sha256 2bfec24b155deec0e519f067634e917bee3cca7f8a23d58f0678fe6157c738f5
sha512 d3904378a5f6031302aa2f7702a2a3aa12ff26f1c9e3f70ea1ff40e95c93da8ab566ddaa219bb6c38e8b38d2ff264e2567365777cf3ed43d7b8f5aa9fc7bf066
ripemd-160 804a73e549bafa28897048c752b575a47ccc5037

28261380 as geometric shapes

Circle

Radius = n
Diameter 56522760
Circumference 177571487.57662
Area 2.5092076437841E+15

Sphere

Radius = n
Volume 9.4551560959848E+22
Surface area 1.0036830575136E+16
Circumference 177571487.57662

Square

Length = n
Perimeter 113045520
Area 798705599504400
Diagonal 39967626.88738

Cube

Length = n
Surface area 4792233597026400
Volume 2.2572522455722E+22
Space diagonal 48950146.052011

Equilateral Triangle

Length = n
Perimeter 84784140
Area 3.4584966965785E+14
Altitude 24475073.026005

Triangular Pyramid

Length = n
Surface area 3.4584966965785E+14
Volume 2.6601972828211E+21
Height 13322542.295793