20122749 is an odd 8-digits composite number following 20122748
and preceding 20122750 . In scientific notation, it is written as 2.0122749 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13222440 positive integers (up to 20122749) that are relatively prime to 20122749.
20122749 has 16 divisors, whose sum is 28224000
The reverse of 20122749 is 94722102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-two thousand seven hundred forty-nine
Scientific notation
2.0122749 × 10^7
Engineering notation
2.0122749 × 10^6
Prime Factorization
3 × 27 × 71 × 3499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20122749
Product of the distinct prime numbers
The prime factorization of 20122749 is 3 × 27 × 71 × 3499.
Since it has a total of 4 prime factors.
1 , 5 , 69 , 74 , 458 , 650 , 2458 , 5740 , 73230 , 87305 , 2650 , 800263 , 4630282 , 8397081 , 86381142 , 50383016 , 181093388 , 904170502 , 5398241179 , 1137384191
n×2
40245498
n×3
60368247
n×4
80490996
n×5
100613745
n÷2
10061374.5
n÷3
6707583
n÷3
5030687.25
n÷5
4024549.8
n2
404925027317001
n3
8.1482046885182E+21
n4
1.6396427774767E+29
n5
3.2994120060827E+36
2 √n
4485.8387175644
3 √n
271.99594951437
4 √n
66.976404185089
5 √n
28.88932948065
1 , 3 , 27 , 71 , 81 , 213 , 1917 , 3499 , 5751 , 10497 , 94473 , 248429 , 283419 , 745287 , 6707583 , 20122749
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20122748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20122749 can be divided by 16 positive divisors.
The sum of these divisors (counting 20122749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000110001111101
3
Ternary
1101212100020000
4
Quaternary
1030300301331
5
Quinary
20122411444
6
Senary
1555144513
8
Octal
114606175
10
Decimal
20122749
12
Duodecimal
68a5139
16
Hexadecimal
1330c7d
20
Vigesimal
65f6h9
36
Base36
bzat9
md5
912eb25205f3decf8a6f3394af45d159
sha1
a85ec0092d45d48aadddd26fdc17706a6b5f79a3
sha256
97db4183ca3d31552644d946ef5ec204ca4548975eb542b12e38f643d369b6e3
sha512
47aa312305c3ccfd74fc1b9b83313bebf86fe4584a1ccd9e78efc9864662a7356d8aac96728f19f8168b58a12afc1d450260b74827dec675c7a39854256ef0f0
ripemd-160
626a3e791f6a6739f0bb513da8349d29a63590a6
Diameter
40245498
Circumference
126434960.85686
Area
1.2721094910737E+15
Volume
3.4131119985859E+22
Surface area
5.0884379642949E+15
Circumference
126434960.85686
Perimeter
80490996
Area
404925027317001
Diagonal
28457864.54803
Surface area
2429550163902006
Volume
8.1482046885182E+21
Space diagonal
34853623.655956
Perimeter
60368247
Area
1.7533768014232E+14
Altitude
17426811.827978
Surface area
1.7533768014232E+14
Volume
9.6027513162453E+20
Height
9485954.8493432