20081965 is an odd 8-digits composite number following 20081964
and preceding 20081966 . In scientific notation, it is written as 2.0081965 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 15762240 positive integers (up to 20081965) that are relatively prime to 20081965.
20081965 has 8 divisors, whose sum is 24553368
The reverse of 20081965 is 56918002
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eighty-one thousand nine hundred sixty-five
Scientific notation
2.0081965 × 10^7
Engineering notation
2.0081965 × 10^6
Prime Factorization
5 × 53 × 75781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081965
Product of the distinct prime numbers
The prime factorization of 20081965 is 5 × 53 × 75781.
Since it has a total of 3 prime factors.
6 , 2 , 85 , 23 , 681 , 636 , 1841 , 5300 , 49117 , 80247 , 169098 , 657474 , 3018002 , 507860 , 61798263 , 39838821 , 596466556 , 454760875 , 1339967172 , 2268595816
n×2
40163930
n×3
60245895
n×4
80327860
n×5
100409825
n÷2
10040982.5
n÷3
6693988.3333333
n÷3
5020491.25
n÷5
4016393
n2
403285318261225
n3
8.0987616463358E+21
n4
1.6263904792506E+29
n5
3.2661116680643E+36
2 √n
4481.2905507231
3 √n
271.81206831608
4 √n
66.942442073195
5 √n
28.877609623023
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
-20081964
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 20081965 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081965) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110110100101101
3
Ternary
1101210021021111
4
Quaternary
1030212310231
5
Quinary
20120110330
6
Senary
1554232021
8
Octal
114466455
10
Decimal
20081965
12
Duodecimal
6885611
16
Hexadecimal
1326d2d
20
Vigesimal
65a4i5
36
Base36
byfcd
md5
f906a26f8beeb6124f54562d41562494
sha1
48b5d5b67c01164faa212ec37f578fc666830af1
sha256
94f8409137299fd892010aac798888f2ee8100443e41d74f20154b7d99727dda
sha512
15f4ecb51b138c38796bdc8e855b9a3c3e4418bbdea26c6e93bff1d11729fda22134cdb4ab1fa150b5b01b522701a487538206043738005fc40625935643afc1
ripemd-160
60c0e56dd8bc6623fe4847178b94041df259cfa7
Diameter
40163930
Circumference
126178707.42729
Area
1.2669581931501E+15
Volume
3.3924013455071E+22
Surface area
5.0678327726003E+15
Circumference
126178707.42729
Perimeter
80327860
Area
403285318261225
Diagonal
28400187.262102
Surface area
2419711909567350
Volume
8.0987616463358E+21
Space diagonal
34782983.69582
Perimeter
60245895
Area
1.7462766529376E+14
Altitude
17391491.84791
Surface area
1.7462766529376E+14
Volume
9.5444821322293E+20
Height
9466729.0873673