28939972 (number)

28939972 is an even 8-digits composite number following 28939971 and preceding 28939973. In scientific notation, it is written as 2.8939972 × 10^7. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 14112096 positive integers (up to 28939972) that are relatively prime to 28939972.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-nine thousand nine hundred seventy-two

Notation

Scientific notation 2.8939972 × 10^7
Engineering notation 2.8939972 × 10^6

Prime Factorization of 28939972

Prime Factorization 2 × 2 × 823 × 149 × 59

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14469986
Product of the distinct prime numbers

The prime factorization of 28939972 is 2 × 2 × 823 × 149 × 59. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 23, 4, 280, 333, 7705, 3178, 90714, 24285, 673759, 712120, 4540283, 8324954, 54808332, 25629553, 454427503, 311137433, 4776301995, 7294049969

Basic calculations (n = 28939972)

Multiplication

n×y
n×2 57879944
n×3 86819916
n×4 115759888
n×5 144699860

Division

n÷y
n÷2 14469986
n÷3 9646657.3333333
n÷3 7234993
n÷5 5787994.4

Exponentiation

ny
n2 837521979360784
n3 2.4237862632086E+22
n4 7.0144306591241E+29
n5 2.0299742687099E+37

Nth Root

y√n
2√n 5379.5884600962
3√n 307.01955333872
4√n 73.345677855591
5√n 31.067021739141

Divisors of 28939972

1, 2, 4, 59, 118, 149, 236, 298, 596, 823, 1646, 3292, 8791, 17582, 35164, 48557, 97114, 122627, 194228, 245254, 490508, 7234993, 14469986, 28939972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28939971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28939972 can be divided by 24 positive divisors. The sum of these divisors (counting 28939972) is 1, the average is 0.041666666666667.

Base conversion 28939972

Base System Value
2 Binary 1101110011001011011000100
3 Ternary 2000110022011211
4 Quaternary 1232121123010
5 Quinary 24402034342
6 Senary 2512141204
8 Octal 156313304
10 Decimal 28939972
12 Duodecimal 9837804
16 Hexadecimal 1b996c4
20 Vigesimal 90h9ic
36 Base36 h8a84

Cryptographic Hash Functions

md5 7f65b8e9be43549ed7e73f29dd2707df
sha1 700b83c594edb4a7c509d947638eb2b1266d9937
sha256 ff88a150851a601599cc6a044d06ad42bcbdd33c27ef6e04e377783271244137
sha512 d560d2b2f6aa78bd7abc7bc509a0bad3bdc0458e532031c4de8674707b8e1d4f00ee8376081e34a9efa23615e9fca17fb5ab5658c817e8fbf380f6d44c4a906c
ripemd-160 d93b0ea05d7b3cc0379ba87cb3e27b8295644089

28939972 as geometric shapes

Circle

Radius = n
Diameter 57879944
Circumference 181835206.86059
Area 2.6311528975798E+15

Sphere

Radius = n
Volume 1.0152732157824E+23
Surface area 1.0524611590319E+16
Circumference 181835206.86059

Square

Length = n
Perimeter 115759888
Area 837521979360784
Diagonal 40927300.897098

Cube

Length = n
Surface area 5025131876164704
Volume 2.4237862632086E+22
Space diagonal 50125501.873621

Equilateral Triangle

Length = n
Perimeter 86819916
Area 3.6265765517713E+14
Altitude 25062750.93681

Triangular Pyramid

Length = n
Surface area 3.6265765517713E+14
Volume 2.8564595047693E+21
Height 13642433.632366