28395972 (number)

28395972 is an even 8-digits composite number following 28395971 and preceding 28395973. In scientific notation, it is written as 2.8395972 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 8604720 positive integers (up to 28395972) that are relatively prime to 28395972.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-five thousand nine hundred seventy-two

Notation

Scientific notation 2.8395972 × 10^7
Engineering notation 2.8395972 × 10^6

Prime Factorization of 28395972

Prime Factorization 2 × 2 × 9 × 11 × 71707

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14197986
Product of the distinct prime numbers

The prime factorization of 28395972 is 2 × 2 × 9 × 11 × 71707. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 1, 35, 11, 753, 908, 3425, 5275, 44375, 30949, 348158, 283248, 9797787, 7750476, 33285099, 70752308, 576343511, 934631677, 9857752701, 7959093913

Basic calculations (n = 28395972)

Multiplication

n×y
n×2 56791944
n×3 85187916
n×4 113583888
n×5 141979860

Division

n÷y
n÷2 14197986
n÷3 9465324
n÷3 7098993
n÷5 5679194.4

Exponentiation

ny
n2 806331225824784
n3 2.2896558911246E+22
n4 6.501700457401E+29
n5 1.8462210414075E+37

Nth Root

y√n
2√n 5328.7871040228
3√n 305.08363557851
4√n 72.998541793811
5√n 30.949336850328

Divisors of 28395972

1, 2, 4, 9, 11, 18, 22, 36, 44, 99, 198, 396, 71707, 143414, 286828, 645363, 788777, 1290726, 1577554, 2581452, 3155108, 7098993, 14197986, 28395972

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 -28395971
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 28395972 can be divided by 24 positive divisors. The sum of these divisors (counting 28395972) is 1, the average is 0.041666666666667.

Base conversion 28395972

Base System Value
2 Binary 1101100010100100111000100
3 Ternary 1222102122221200
4 Quaternary 1230110213010
5 Quinary 24232132342
6 Senary 2452342500
8 Octal 154244704
10 Decimal 28395972
12 Duodecimal 9614a30
16 Hexadecimal 1b149c4
20 Vigesimal 8h99ic
36 Base36 gwmh0

Cryptographic Hash Functions

md5 3a42d78b6a1b6c5e44ac6a863aa55df2
sha1 32d575fdc00b39b6571af1abf3cacbb7735e9a9b
sha256 bd46782dee02b2bd3c53be1c8bec789f1a68a68728a9525c60ff7f423a554927
sha512 a5ef113ab9d3a6f2ac7bc7b7594cf77848067b2ce66783f21a211f68ce754072f00321190556b1ddaf3032ef6cd7e97279cf0e89b5665e88a1b5d6fe2ead3b7e
ripemd-160 09cdd5be41512965caca51c9b74b76f15d52fdb4

28395972 as geometric shapes

Circle

Radius = n
Diameter 56791944
Circumference 178417154.05348
Area 2.5331642554112E+15

Sphere

Radius = n
Volume 9.5908881690743E+22
Surface area 1.0132657021645E+16
Circumference 178417154.05348

Square

Length = n
Perimeter 113583888
Area 806331225824784
Diagonal 40157968.719167

Cube

Length = n
Surface area 4837987354948704
Volume 2.2896558911246E+22
Space diagonal 49183266.234303

Equilateral Triangle

Length = n
Perimeter 85187916
Area 3.4915166271445E+14
Altitude 24591633.117152

Triangular Pyramid

Length = n
Surface area 3.4915166271445E+14
Volume 2.6983853453299E+21
Height 13385989.573056