28291220 (number)

28291220 is an even 8-digits composite number following 28291219 and preceding 28291221. In scientific notation, it is written as 2.8291220 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 10951200 positive integers (up to 28291220) that are relatively prime to 28291220.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred twenty

Notation

Scientific notation 2.8291220 × 10^7
Engineering notation 2.8291220 × 10^6

Prime Factorization of 28291220

Prime Factorization 2 × 2 × 5 × 31 × 45631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14145610
Product of the distinct prime numbers

The prime factorization of 28291220 is 2 × 2 × 5 × 31 × 45631. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 30, 9, 587, 382, 615, 5024, 23610, 42664, 823074, 755296, 7122984, 9390361, 77321726, 68742211, 91509991, 358688896, 2186482658, 7267522881

Basic calculations (n = 28291220)

Multiplication

n×y
n×2 56582440
n×3 84873660
n×4 113164880
n×5 141456100

Division

n÷y
n÷2 14145610
n÷3 9430406.6666667
n÷3 7072805
n÷5 5658244

Exponentiation

ny
n2 800393129088400
n3 2.2644098101528E+22
n4 6.4062916109192E+29
n5 1.8124180534867E+37

Nth Root

y√n
2√n 5318.9491443329
3√n 304.70802480188
4√n 72.931126032257
5√n 30.926468822297

Divisors of 28291220

1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45631, 91262, 182524, 228155, 456310, 912620, 1414561, 2829122, 5658244, 7072805, 14145610, 28291220

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 -28291219
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 28291220 can be divided by 24 positive divisors. The sum of these divisors (counting 28291220) is 1, the average is 0.041666666666667.

Base conversion 28291220

Base System Value
2 Binary 1101011111011000010010100
3 Ternary 1222020100020222
4 Quaternary 1223323002110
5 Quinary 24220304340
6 Senary 2450213512
8 Octal 153730224
10 Decimal 28291220
12 Duodecimal 9584298
16 Hexadecimal 1afb094
20 Vigesimal 8gg810
36 Base36 gudn8

Cryptographic Hash Functions

md5 7f9130a8a70a6d75dbe66598c8981d92
sha1 96f43c794b2cb0065f22bf38cfa1623b86546d37
sha256 6926aeaf7635e8fe8ea231c52fb2f8e1c1f6ea30694c6e724dd712bdd27bf825
sha512 c6a4739053e69c90695c82e28f6ff0142f6c4f67ff36066ab06bea2c29b1399e937c6475f7d79182b189132ab0997cd6143d811272a4ad3f62c338cd7da0f9be
ripemd-160 a3f98b4f0c44639406727e61e1cfcf0e67e72623

28291220 as geometric shapes

Circle

Radius = n
Diameter 56582440
Circumference 177758977.82619
Area 2.5145091743279E+15

Sphere

Radius = n
Volume 9.4851376323904E+22
Surface area 1.0058036697311E+16
Circumference 177758977.82619

Square

Length = n
Perimeter 113164880
Area 800393129088400
Diagonal 40009827.020081

Cube

Length = n
Surface area 4802358774530400
Volume 2.2644098101528E+22
Space diagonal 49001830.448109

Equilateral Triangle

Length = n
Perimeter 84873660
Area 3.4658039140254E+14
Altitude 24500915.224054

Triangular Pyramid

Length = n
Surface area 3.4658039140254E+14
Volume 2.668632553574E+21
Height 13336609.006694