28997908 (number)

28997908 is an even 8-digits composite number following 28997907 and preceding 28997909. In scientific notation, it is written as 2.8997908 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors. There are 14355200 positive integers (up to 28997908) that are relatively prime to 28997908.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-seven thousand nine hundred eight

Notation

Scientific notation 2.8997908 × 10^7
Engineering notation 2.8997908 × 10^6

Prime Factorization of 28997908

Prime Factorization 2 × 2 × 101 × 71777

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14498954
Product of the distinct prime numbers

The prime factorization of 28997908 is 2 × 2 × 101 × 71777. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 49, 12, 768, 551, 5629, 5527, 7784, 59138, 625669, 267483, 1559007, 8799960, 3293439, 60733062, 186154719, 339045425, 361441539, 9067721798

Basic calculations (n = 28997908)

Multiplication

n×y
n×2 57995816
n×3 86993724
n×4 115991632
n×5 144989540

Division

n÷y
n÷2 14498954
n÷3 9665969.3333333
n÷3 7249477
n÷5 5799581.6

Exponentiation

ny
n2 840878668376464
n3 2.4383722264743E+22
n4 7.0707693493058E+29
n5 2.0503751908039E+37

Nth Root

y√n
2√n 5384.9705663077
3√n 307.22429470496
4√n 73.382358685911
5√n 31.079450634281

Divisors of 28997908

1, 2, 4, 101, 202, 404, 71777, 143554, 287108, 7249477, 14498954, 28997908

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 -28997907
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 28997908 can be divided by 12 positive divisors. The sum of these divisors (counting 28997908) is 1, the average is 0.083333333333333.

Base conversion 28997908

Base System Value
2 Binary 1101110100111100100010100
3 Ternary 2000120020122121
4 Quaternary 1232213210110
5 Quinary 24410413113
6 Senary 2513305324
8 Octal 156474424
10 Decimal 28997908
12 Duodecimal 9865244
16 Hexadecimal 1ba7914
20 Vigesimal 914ef8
36 Base36 h9ixg

Cryptographic Hash Functions

md5 4e77354bbd06281b038c61f0e305647c
sha1 31a4ea43ec32112d26e20e494d87d1ce097f102c
sha256 f98a6f0e8de59754fdcdff5d47ec8e16104b6f2d1866089a837a99bd51e954ec
sha512 ce90e99ea5906417e7f751a279a032f1415afcc06dded5cb7204158ada7aeeae5e0ae11425b3985dbbfff1efc28e7a650408a88f2d326333c1b1b9ad620922eb
ripemd-160 ff2308f461a8451ac11ab590c9b2718104502d28

28997908 as geometric shapes

Circle

Radius = n
Diameter 57995816
Circumference 182199229.48455
Area 2.6416982471319E+15

Sphere

Radius = n
Volume 1.0213829697879E+23
Surface area 1.0566792988527E+16
Circumference 182199229.48455

Square

Length = n
Perimeter 115991632
Area 840878668376464
Diagonal 41009234.774047

Cube

Length = n
Surface area 5045272010258784
Volume 2.4383722264743E+22
Space diagonal 50225849.969208

Equilateral Triangle

Length = n
Perimeter 86993724
Area 3.6411114415722E+14
Altitude 25112924.984604

Triangular Pyramid

Length = n
Surface area 3.6411114415722E+14
Volume 2.8736492273282E+21
Height 13669744.924682