28378509 (number)

28378509 is an odd 8-digits composite number following 28378508 and preceding 28378510. In scientific notation, it is written as 2.8378509 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 18919004 positive integers (up to 28378509) that are relatively prime to 28378509.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seventy-eight thousand five hundred nine

Notation

Scientific notation 2.8378509 × 10^7
Engineering notation 2.8378509 × 10^6

Prime Factorization of 28378509

Prime Factorization 3 × 9459503

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28378509
Product of the distinct prime numbers

The prime factorization of 28378509 is 3 × 9459503. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28378509)

Multiplication

n×y
n×2 56757018
n×3 85135527
n×4 113514036
n×5 141892545

Division

n÷y
n÷2 14189254.5
n÷3 9459503
n÷3 7094627.25
n÷5 5675701.8

Exponentiation

ny
n2 805339773063081
n3 2.2854341997929E+22
n4 6.4857215007729E+29
n5 1.8405510598118E+37

Nth Root

y√n
2√n 5327.1482990433
3√n 305.02108248069
4√n 72.987316014793
5√n 30.945529259099

Divisors of 28378509

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 -28378508
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 28378509 can be divided by 4 positive divisors. The sum of these divisors (counting 28378509) is 1, the average is 0.25.

Base conversion 28378509

Base System Value
2 Binary 1101100010000010110001101
3 Ternary 1222101202222220
4 Quaternary 1230100112031
5 Quinary 24231103014
6 Senary 2452125553
8 Octal 154202615
10 Decimal 28378509
12 Duodecimal 96068b9
16 Hexadecimal 1b1058d
20 Vigesimal 8h7659
36 Base36 gw8zx

Cryptographic Hash Functions

md5 718886eba8554bd6264cb2cb448dbc2b
sha1 5caeba62cd3c65a5c6f113e20e8c4a23875038c2
sha256 dbbe477b7b5fb00f70d3e684e32adfbfa5e1099e5dc0b7ac9fff0b5983092682
sha512 5f134872ad3d09228571c38a4f8a9a6398740921e401f5b9627cb4e93f30236024725e3360c188edc23c95b094e3a96c8690a09371dc9ad67f0bf679a11b7ad0
ripemd-160 b268bf34d7054ee6716ec2f5142fd7cf42319c8c

28378509 as geometric shapes

Circle

Radius = n
Diameter 56757018
Circumference 178307430.78846
Area 2.5300495146986E+15

Sphere

Radius = n
Volume 9.5732043897762E+22
Surface area 1.0120198058795E+16
Circumference 178307430.78846

Square

Length = n
Perimeter 113514036
Area 805339773063081
Diagonal 40133272.307727

Cube

Length = n
Surface area 4832038638378486
Volume 2.2854341997929E+22
Space diagonal 49153019.431051

Equilateral Triangle

Length = n
Perimeter 85135527
Area 3.4872235107531E+14
Altitude 24576509.715525

Triangular Pyramid

Length = n
Surface area 3.4872235107531E+14
Volume 2.693410034382E+21
Height 13377757.435909