28407812 (number)

28407812 is an even 8-digits composite number following 28407811 and preceding 28407813. In scientific notation, it is written as 2.8407812 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 36 positive divisors. There are 13255920 positive integers (up to 28407812) that are relatively prime to 28407812.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred seven thousand eight hundred twelve

Notation

Scientific notation 2.8407812 × 10^7
Engineering notation 2.8407812 × 10^6

Prime Factorization of 28407812

Prime Factorization 2 × 2 × 19 × 19 × 191 × 103

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 747574
Product of the distinct prime numbers

The prime factorization of 28407812 is 2 × 2 × 19 × 19 × 191 × 103. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28407812)

Multiplication

n×y
n×2 56815624
n×3 85223436
n×4 113631248
n×5 142039060

Division

n÷y
n÷2 14203906
n÷3 9469270.6666667
n÷3 7101953
n÷5 5681562.4

Exponentiation

ny
n2 807003782627344
n3 2.2925211740166E+22
n4 6.5125510517484E+29
n5 1.8500732591847E+37

Nth Root

y√n
2√n 5329.8979352329
3√n 305.12603229959
4√n 73.006149982265
5√n 30.951917350458

Divisors of 28407812

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28407811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28407812 can be divided by 36 positive divisors. The sum of these divisors (counting 28407812) is 1, the average is 0.027777777777778.

Base conversion 28407812

Base System Value
2 Binary 1101100010111100000000100
3 Ternary 1222110021012012
4 Quaternary 1230113200010
5 Quinary 24233022222
6 Senary 2452513352
8 Octal 154274004
10 Decimal 28407812
12 Duodecimal 961b858
16 Hexadecimal 1b17804
20 Vigesimal 8hajac
36 Base36 gwvlw

Cryptographic Hash Functions

md5 008bb2595011cc7e8d361e26c7d83f25
sha1 c54cf063195117a892bcdfa8b7323debc0d8b0df
sha256 0c8a43318df7c3df5575d3a95d30d5e92dc973db0c0ccc4e12567bcea90e1a6f
sha512 9244978dcb85dc28e70c8a880eefd0b99bf33293ce981aaea3f0ee1543b1844c7c4f81962f2b0271675f06f50fd366ec87bea4d2bad7d198e3bd38e4fdd3333a
ripemd-160 4a46fdfec396054ca4aee0707b35c81e092613db

28407812 as geometric shapes

Circle

Radius = n
Diameter 56815624
Circumference 178491546.96752
Area 2.5352771549212E+15

Sphere

Radius = n
Volume 9.6028902379863E+22
Surface area 1.0141108619685E+16
Circumference 178491546.96752

Square

Length = n
Perimeter 113631248
Area 807003782627344
Diagonal 40174713.007745

Cube

Length = n
Surface area 4842022695764064
Volume 2.2925211740166E+22
Space diagonal 49203773.715865

Equilateral Triangle

Length = n
Perimeter 85223436
Area 3.4944288835271E+14
Altitude 24601886.857932

Triangular Pyramid

Length = n
Surface area 3.4944288835271E+14
Volume 2.7017621136015E+21
Height 13391571.002582