20015949 is an odd 8-digits composite number following 20015948
and preceding 20015950 . In scientific notation, it is written as 2.0015949 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12641616 positive integers (up to 20015949) that are relatively prime to 20015949.
20015949 has 8 divisors, whose sum is 28092640
The reverse of 20015949 is 94951002
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million fifteen thousand nine hundred forty-nine
Scientific notation
2.0015949 × 10^7
Engineering notation
2.0015949 × 10^6
Prime Factorization
3 × 19 × 351157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20015949
Product of the distinct prime numbers
The prime factorization of 20015949 is 3 × 19 × 351157.
Since it has a total of 3 prime factors.
8 , 4 , 89 , 68 , 448 , 119 , 9194 , 8601 , 30171 , 83512 , 326271 , 236885 , 6838157 , 7281856 , 42590800 , 80990185 , 25984671 , 245053863 , 2606097793 , 5334098821
n×2
40031898
n×3
60047847
n×4
80063796
n×5
100079745
n÷2
10007974.5
n÷3
6671983
n÷3
5003987.25
n÷5
4003189.8
n2
400638214370601
n3
8.019154066293E+21
n4
1.6051097881406E+29
n5
3.2127795658824E+36
2 √n
4473.9187520562
3 √n
271.51389623259
4 √n
66.887358686498
5 √n
28.858598575084
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
-20015948
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 20015949 can be divided by 8 positive divisors.
The sum of these divisors (counting 20015949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010110101101001101
3
Ternary
1101122220201110
4
Quaternary
1030112231031
5
Quinary
20111002244
6
Senary
1553002233
8
Octal
114265515
10
Decimal
20015949
12
Duodecimal
6853379
16
Hexadecimal
1316b4d
20
Vigesimal
651jh9
36
Base36
bx0el
md5
35bb3608e543c0764ac260b45d66242a
sha1
a73be83f860592418681ab094938197a154551f6
sha256
80eebe772ad74cc7d25beffc44ce9306b120b8405be5250e87e0a77e4b9fb06b
sha512
45c458fc9853d8198ea2f5faafba90c62cae173886f0fa571f7d92e055855f86432e1c9947f8f15951d2a0f7992c92d183b5f4f66ba349a8826a9870c8583aeb
ripemd-160
3a21bdd065724a68d82aed8f8ed8f5166cb98fb3
Diameter
40031898
Circumference
125763916.66606
Area
1.258642071014E+15
Volume
3.3590554003561E+22
Surface area
5.0345682840561E+15
Circumference
125763916.66606
Perimeter
80063796
Area
400638214370601
Diagonal
28306826.539568
Surface area
2403829286223606
Volume
8.019154066293E+21
Space diagonal
34668640.629707
Perimeter
60047847
Area
1.7348143568589E+14
Altitude
17334320.314854
Surface area
1.7348143568589E+14
Volume
9.4506636994258E+20
Height
9435608.8465227