28007908 (number)

28007908 is an even 8-digits composite number following 28007907 and preceding 28007909. In scientific notation, it is written as 2.8007908 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 13113984 positive integers (up to 28007908) that are relatively prime to 28007908.

Interesting facts

Basic properties

Name

Name twenty-eight million seven thousand nine hundred eight

Notation

Scientific notation 2.8007908 × 10^7
Engineering notation 2.8007908 × 10^6

Prime Factorization of 28007908

Prime Factorization 2 × 2 × 31399 × 223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14003954
Product of the distinct prime numbers

The prime factorization of 28007908 is 2 × 2 × 31399 × 223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 38, 32, 664, 58, 3961, 510, 86085, 24653, 45165, 237820, 8245333, 7859927, 57267941, 52775476, 142578404, 391429672, 1073879348, 1469806476

Basic calculations (n = 28007908)

Multiplication

n×y
n×2 56015816
n×3 84023724
n×4 112031632
n×5 140039540

Division

n÷y
n÷2 14003954
n÷3 9335969.3333333
n÷3 7001977
n÷5 5601581.6

Exponentiation

ny
n2 784442910536464
n3 2.1970604869558E+22
n4 6.1535067989092E+29
n5 1.7234685230122E+37

Nth Root

y√n
2√n 5292.2498051396
3√n 303.68748181287
4√n 72.747850862686
5√n 30.864278863787

Divisors of 28007908

1, 2, 4, 223, 446, 892, 31399, 62798, 125596, 7001977, 14003954, 28007908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28007907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28007908 can be divided by 12 positive divisors. The sum of these divisors (counting 28007908) is 1, the average is 0.083333333333333.

Base conversion 28007908

Base System Value
2 Binary 1101010110101110111100100
3 Ternary 1221200221121221
4 Quaternary 1222311313210
5 Quinary 24132223113
6 Senary 2440150124
8 Octal 152656744
10 Decimal 28007908
12 Duodecimal 9468344
16 Hexadecimal 1ab5de4
20 Vigesimal 8f0jf8
36 Base36 gob1g

Cryptographic Hash Functions

md5 58ba5119ab1ac1027fcfe8d08b33acb0
sha1 0a05109aabf5250383b8c5551b778e471e19827d
sha256 259ddc210adb680729cda6b7b541fa5b450ad60601b533f331593d213c9484c7
sha512 c0b39d625d55d03e5c7246bcaed6b7a23b63267364d966b52fba72d2ac37f4ce8667743240d8c93b7016d00345951c9bca2a455db40a8bdb44c75a93449bc804
ripemd-160 c28b7391fbfc58c90b27e1d81ce6d497ed09eaeb

28007908 as geometric shapes

Circle

Radius = n
Diameter 56015816
Circumference 175978876.03044
Area 2.464400084902E+15

Sphere

Radius = n
Volume 9.2030254470835E+22
Surface area 9.8576003396078E+15
Circumference 175978876.03044

Square

Length = n
Perimeter 112031632
Area 784442910536464
Diagonal 39609163.347298

Cube

Length = n
Surface area 4706657463218784
Volume 2.1970604869558E+22
Space diagonal 48511119.669715

Equilateral Triangle

Length = n
Perimeter 84023724
Area 3.3967374417159E+14
Altitude 24255559.834857

Triangular Pyramid

Length = n
Surface area 3.3967374417159E+14
Volume 2.5892606150057E+21
Height 13203054.449099