28312912 (number)

28312912 is an even 8-digits composite number following 28312911 and preceding 28312913. In scientific notation, it is written as 2.8312912 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors. There are 14133600 positive integers (up to 28312912) that are relatively prime to 28312912.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred twelve thousand nine hundred twelve

Notation

Scientific notation 2.8312912 × 10^7
Engineering notation 2.8312912 × 10^6

Prime Factorization of 28312912

Prime Factorization 2 × 2 × 2 × 2 × 907 × 1951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3539114
Product of the distinct prime numbers

The prime factorization of 28312912 is 2 × 2 × 2 × 2 × 907 × 1951. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 1, 43, 66, 168, 535, 3645, 8443, 43406, 3380, 420715, 858720, 37894, 7078299, 40802929, 18248446, 303324924, 48545208, 6080974876, 4209953792

Basic calculations (n = 28312912)

Multiplication

n×y
n×2 56625824
n×3 84938736
n×4 113251648
n×5 141564560

Division

n÷y
n÷2 14156456
n÷3 9437637.3333333
n÷3 7078228
n÷5 5662582.4

Exponentiation

ny
n2 801620985919744
n3 2.2696224431699E+22
n4 6.4259620506694E+29
n5 1.8193769805594E+37

Nth Root

y√n
2√n 5320.9878782046
3√n 304.78588214749
4√n 72.945101810914
5√n 30.931209878407

Divisors of 28312912

1, 2, 4, 8, 16, 907, 1814, 1951, 3628, 3902, 7256, 7804, 14512, 15608, 31216, 1769557, 3539114, 7078228, 14156456, 28312912

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28312911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28312912 can be divided by 20 positive divisors. The sum of these divisors (counting 28312912) is 1, the average is 0.05.

Base conversion 28312912

Base System Value
2 Binary 1101100000000010101010000
3 Ternary 1222021110000101
4 Quaternary 1230000111100
5 Quinary 24222003122
6 Senary 2450502144
8 Octal 154002520
10 Decimal 28312912
12 Duodecimal 9594954
16 Hexadecimal 1b00550
20 Vigesimal 8gj25c
36 Base36 guuds

Cryptographic Hash Functions

md5 cb6817da3c942f821ad7719104629927
sha1 d60dd35407e4b0959e759274c5e9813f1aa7e057
sha256 543bae79b68b16339d2acde40aae6117128ebfeb7dbb3f4f9cd69d020c4d4a64
sha512 52e1088565b4aaa37562617cb9d0c4efe7cb0a4d079b0042e75c0649f060723f848697b9621b489ce70ef28751be28ba61830e2c3a45be6b249f3ac131727d76
ripemd-160 941dd5330051696eb84a34ecff5e19440c8fc468

28312912 as geometric shapes

Circle

Radius = n
Diameter 56625824
Circumference 177895272.68187
Area 2.5183666003289E+15

Sphere

Radius = n
Volume 9.5069722585134E+22
Surface area 1.0073466401315E+16
Circumference 177895272.68187

Square

Length = n
Perimeter 113251648
Area 801620985919744
Diagonal 40040504.140676

Cube

Length = n
Surface area 4809725915518464
Volume 2.2696224431699E+22
Space diagonal 49039402.094227

Equilateral Triangle

Length = n
Perimeter 84938736
Area 3.4711206900661E+14
Altitude 24519701.047113

Triangular Pyramid

Length = n
Surface area 3.4711206900661E+14
Volume 2.6747757004977E+21
Height 13346834.713559