20149779 is an odd 8-digits composite number following 20149778
and preceding 20149780 . In scientific notation, it is written as 2.0149779 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 12331008 positive integers (up to 20149779) that are relatively prime to 20149779.
20149779 has 8 divisors, whose sum is 20781280
The reverse of 20149779 is 97794102
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred forty-nine thousand seven hundred seventy-nine
Scientific notation
2.0149779 × 10^7
Engineering notation
2.0149779 × 10^6
Prime Factorization
39 × 193 × 2677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149779
Product of the distinct prime numbers
The prime factorization of 20149779 is 39 × 193 × 2677.
Since it has a total of 3 prime factors.
7 , 8 , 82 , 10 , 302 , 243 , 7618 , 9973 , 27287 , 67280 , 646937 , 195400 , 8504491 , 1468234 , 98479961 , 68297482 , 915557279 , 679799624 , 6047148100 , 4102576477
n×2
40299558
n×3
60449337
n×4
80599116
n×5
100748895
n÷2
10074889.5
n÷3
6716593
n÷3
5037444.75
n÷5
4029955.8
n2
406013593748841
n3
8.1810841850349E+21
n4
1.6484703830885E+29
n5
3.3216313907278E+36
2 √n
4488.8505210131
3 √n
272.11768174016
4 √n
66.998884475886
5 √n
28.897086465999
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149778
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149779 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149779) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111011000010011
3
Ternary
1101220201022010
4
Quaternary
1030313120103
5
Quinary
20124243104
6
Senary
1555514003
8
Octal
114673023
10
Decimal
20149779
12
Duodecimal
68b8903
16
Hexadecimal
1337613
20
Vigesimal
65ie8j
36
Base36
bzvo3
md5
fbc9832384c63689387f501b0f1ed0fe
sha1
cf1351a6ba004704479d332525135bba510b08f4
sha256
42218c5d182d5469aac34cf80e575364069287697aa0f8084597bb1fbc2b2bba
sha512
312313e7e35a426581a0e878f051a8248c66d6fd96896162bbc9a3b22e7c8a70562fce5953603006caf0628a9a76faf16a350cf301c7761f95a229d6a0c7d4df
ripemd-160
3ab1b2a2336ff119506920881dcd8ae48afe7218
Diameter
40299558
Circumference
126604795.35572
Area
1.2755293233789E+15
Volume
3.4268845298807E+22
Surface area
5.1021172935158E+15
Circumference
126604795.35572
Perimeter
80599116
Area
406013593748841
Diagonal
28496090.740621
Surface area
2436081562493046
Volume
8.1810841850349E+21
Space diagonal
34900440.989284
Perimeter
60449337
Area
1.7580904323416E+14
Altitude
17450220.494642
Surface area
1.7580904323416E+14
Volume
9.6415001744937E+20
Height
9498696.9135402