20155949 is an odd 8-digits composite number following 20155948
and preceding 20155950 . In scientific notation, it is written as 2.0155949 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 17879400 positive integers (up to 20155949) that are relatively prime to 20155949.
20155949 has 12 divisors, whose sum is 22534272
The reverse of 20155949 is 94955102
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred fifty-five thousand nine hundred forty-nine
Scientific notation
2.0155949 × 10^7
Engineering notation
2.0155949 × 10^6
Prime Factorization
11 × 43 × 43 × 991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
468743
Product of the distinct prime numbers
The prime factorization of 20155949 is 11 × 43 × 43 × 991.
Since it has a total of 4 prime factors.
9 , 6 , 41 , 5 , 437 , 576 , 9278 , 882 , 82966 , 63003 , 359719 , 249133 , 8995736 , 9280079 , 3138976 , 3046098 , 382541022 , 884442185 , 4680242905 , 4965495770
n×2
40311898
n×3
60467847
n×4
80623796
n×5
100779745
n÷2
10077974.5
n÷3
6718649.6666667
n÷3
5038987.25
n÷5
4031189.8
n2
406262280090601
n3
8.1886017981299E+21
n4
1.6504904022441E+29
n5
3.3267200372622E+36
2 √n
4489.5377267598
3 √n
272.14545367015
4 √n
67.004012766101
5 √n
28.898855946343
1 , 11 , 43 , 473 , 991 , 1849 , 10901 , 20339 , 42613 , 468743 , 1832359 , 20155949
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
-20155948
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 20155949 can be divided by 12 positive divisors.
The sum of these divisors (counting 20155949) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111000111000101101
3
Ternary
1101221000202122
4
Quaternary
1030320320231
5
Quinary
20124442244
6
Senary
2000002325
8
Octal
114707055
10
Decimal
20155949
12
Duodecimal
69003a5
16
Hexadecimal
1338e2d
20
Vigesimal
65j9h9
36
Base36
c00fh
md5
7c81429296dd3d5b17975201da864394
sha1
14dbb173aaf626c3f85c518b3f5a874b26a781ac
sha256
d821c3ac955decf228a3cf420eb715ee84584d215cdc8c970f64d1383ed7a075
sha512
71770767e90db3c277847f08f74b2906c5682bbe0a94fb4425eb422f6a7526b8e295003240ae8c13a65b4f95935785ad3f516a97fabe7675f3abf85afc2faaf0
ripemd-160
f59d35c45ab34d2633bfad11c600e2e94ccae6bf
Diameter
40311898
Circumference
126643562.60906
Area
1.2763105945633E+15
Volume
3.4300335002903E+22
Surface area
5.1052423782531E+15
Circumference
126643562.60906
Perimeter
80623796
Area
406262280090601
Diagonal
28504816.4383
Surface area
2437573680543606
Volume
8.1886017981299E+21
Space diagonal
34911127.742767
Perimeter
60467847
Area
1.7591672757892E+14
Altitude
17455563.871384
Surface area
1.7591672757892E+14
Volume
9.65035976649E+20
Height
9501605.4794335