28997072 (number)

28997072 is an even 8-digits composite number following 28997071 and preceding 28997073. In scientific notation, it is written as 2.8997072 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors. There are 13383168 positive integers (up to 28997072) that are relatively prime to 28997072.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8997072 × 10^7
Engineering notation 2.8997072 × 10^6

Prime Factorization of 28997072

Prime Factorization 2 × 2 × 2 × 2 × 13 × 139409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3624634
Product of the distinct prime numbers

The prime factorization of 28997072 is 2 × 2 × 2 × 2 × 13 × 139409. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 3, 22, 90, 724, 203, 1003, 2232, 14975, 59220, 576117, 963355, 7501064, 7669179, 21264349, 28640516, 172210175, 991400277, 4587117759, 6697442242

Basic calculations (n = 28997072)

Multiplication

n×y
n×2 57994144
n×3 86991216
n×4 115988288
n×5 144985360

Division

n÷y
n÷2 14498536
n÷3 9665690.6666667
n÷3 7249268
n÷5 5799414.4

Exponentiation

ny
n2 840830184573184
n3 2.4381613401842E+22
n4 7.0699539928937E+29
n5 2.0500796496863E+37

Nth Root

y√n
2√n 5384.892942297
3√n 307.22134228532
4√n 73.381829782971
5√n 31.079271430178

Divisors of 28997072

1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139409, 278818, 557636, 1115272, 1812317, 2230544, 3624634, 7249268, 14498536, 28997072

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 -28997071
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 28997072 can be divided by 20 positive divisors. The sum of these divisors (counting 28997072) is 1, the average is 0.05.

Base conversion 28997072

Base System Value
2 Binary 1101110100111010111010000
3 Ternary 2000120012111122
4 Quaternary 1232213113100
5 Quinary 24410401242
6 Senary 2513301412
8 Octal 156472720
10 Decimal 28997072
12 Duodecimal 9864868
16 Hexadecimal 1ba75d0
20 Vigesimal 914cdc
36 Base36 h9ia8

Cryptographic Hash Functions

md5 bcc0f1f51e8c591fe3ca53d6d05d7d71
sha1 a73b8b50d4b0428f38e105244551038c5ff5f886
sha256 ca38753a07f58c229e0157593d7a9201c5ea1ad61950a20a6fa5b667e0c45fa6
sha512 d5d5a9726e4b7428f44ef048a682c170336cc9b04bcda8da6c0bc9127650e7276975d2c10f831c857ebc0276fb51bf55ec6be6958bfdde41525872d4ab043b6b
ripemd-160 c86ede61a20839138173012ef6c011d81b89763a

28997072 as geometric shapes

Circle

Radius = n
Diameter 57994144
Circumference 182193976.74163
Area 2.6415459307717E+15

Sphere

Radius = n
Volume 1.0212946339452E+23
Surface area 1.0566183723087E+16
Circumference 182193976.74163

Square

Length = n
Perimeter 115988288
Area 840830184573184
Diagonal 41008052.491509

Cube

Length = n
Surface area 5044981107439104
Volume 2.4381613401842E+22
Space diagonal 50224401.974733

Equilateral Triangle

Length = n
Perimeter 86991216
Area 3.6409015005457E+14
Altitude 25112200.987366

Triangular Pyramid

Length = n
Surface area 3.6409015005457E+14
Volume 2.8734006954519E+21
Height 13669350.830503