20155977 is an odd 8-digits composite number following 20155976
and preceding 20155978 . In scientific notation, it is written as 2.0155977 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 13247640 positive integers (up to 20155977) that are relatively prime to 20155977.
20155977 has 12 divisors, whose sum is 29525184
The reverse of 20155977 is 77955102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred fifty-five thousand nine hundred seventy-seven
Scientific notation
2.0155977 × 10^7
Engineering notation
2.0155977 × 10^6
Prime Factorization
71 × 3 × 3 × 31543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6718659
Product of the distinct prime numbers
The prime factorization of 20155977 is 71 × 3 × 3 × 31543.
Since it has a total of 4 prime factors.
5 , 3 , 25 , 94 , 446 , 655 , 3897 , 8592 , 17138 , 83593 , 178561 , 894911 , 7248497 , 5512969 , 47216651 , 52229006 , 408643960 , 484959499 , 6991048759 , 565821199
n×2
40311954
n×3
60467931
n×4
80623908
n×5
100779885
n÷2
10077988.5
n÷3
6718659
n÷3
5038994.25
n÷5
4031195.4
n2
406263408824529
n3
8.1886359242088E+21
n4
1.6504995734973E+29
n5
3.3267431441921E+36
2 √n
4489.5408451199
3 √n
272.14557968868
4 √n
67.004036036047
5 √n
28.898863975412
1 , 3 , 9 , 71 , 213 , 639 , 31543 , 94629 , 283887 , 2239553 , 6718659 , 20155977
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155976
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155977 can be divided by 12 positive divisors.
The sum of these divisors (counting 20155977) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111000111001001001
3
Ternary
1101221000210200
4
Quaternary
1030320321021
5
Quinary
20124442402
6
Senary
2000002413
8
Octal
114707111
10
Decimal
20155977
12
Duodecimal
6900409
16
Hexadecimal
1338e49
20
Vigesimal
65j9ih
36
Base36
c00g9
md5
c4326c85e8b2058138e9444e0d459f93
sha1
3238cbcddb5dd14a35a8510827e2d9931efd7165
sha256
291d8094cbe73f2e0feb8a1f5d2e9fe660af2da1dd02a8f2fc8ed77fdcb780df
sha512
446fe77fe069a446ed529eedf710997ce677a1515f44d46d397e22c6fc5dba10a0338ef6e2aff6bed1bc78838646504325394080332e1e1d2ed3b73bb33f7f08
ripemd-160
8b2171f732dd2e82f06b802c90e56f91332f30ec
Diameter
40311954
Circumference
126643738.53825
Area
1.2763141405855E+15
Volume
3.4300477949888E+22
Surface area
5.1052565623419E+15
Circumference
126643738.53825
Perimeter
80623908
Area
406263408824529
Diagonal
28504856.03628
Surface area
2437580452947174
Volume
8.1886359242088E+21
Space diagonal
34911176.24019
Perimeter
60467931
Area
1.7591721633505E+14
Altitude
17455588.120095
Surface area
1.7591721633505E+14
Volume
9.6503999844597E+20
Height
9501618.6787601