20342991 is an odd 8-digits composite number following 20342990
and preceding 20342992 . In scientific notation, it is written as 2.0342991 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13370840 positive integers (up to 20342991) that are relatively prime to 20342991.
20342991 has 8 divisors, whose sum is 27506304
The reverse of 20342991 is 19924302
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million three hundred forty-two thousand nine hundred ninety-one
Scientific notation
2.0342991 × 10^7
Engineering notation
2.0342991 × 10^6
Prime Factorization
3 × 71 × 95507
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20342991
Product of the distinct prime numbers
The prime factorization of 20342991 is 3 × 71 × 95507.
Since it has a total of 3 prime factors.
9 , 7 , 71 , 90 , 418 , 102 , 9847 , 3304 , 21931 , 29834 , 875396 , 276988 , 414182 , 9224961 , 87512772 , 29293709 , 762398931 , 527586271 , 357217922 , 7427266096
n×2
40685982
n×3
61028973
n×4
81371964
n×5
101714955
n÷2
10171495.5
n÷3
6780997
n÷3
5085747.75
n÷5
4068598.2
n2
413837282826081
n3
8.4186881199954E+21
n4
1.7126129665687E+29
n5
3.4839670165391E+36
2 √n
4510.3204985899
3 √n
272.98467624544
4 √n
67.158919724709
5 √n
28.952292744499
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
-20342990
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 20342991 can be divided by 8 positive divisors.
The sum of these divisors (counting 20342991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101100110100011001111
3
Ternary
1102021112100010
4
Quaternary
1031212203033
5
Quinary
20201433431
6
Senary
2004004303
8
Octal
115464317
10
Decimal
20342991
12
Duodecimal
6990693
16
Hexadecimal
13668cf
20
Vigesimal
672h9b
36
Base36
c40r3
md5
23f1051657cd190d7c935be510e57e9b
sha1
7f38e6d91b57767de76a846c518cc5ddf19004c1
sha256
6a52a312a2e501c1625a57f3f96097befaf2d45a27cf5ea637904c559681e700
sha512
98881da90ab7d5eb4068e722683b6c9d10c9aa3010ff206ad7e7bac0241eff69c2ddb07cedd68d7838cf998f68278ddcf3200e12bac712a8439fb6c97fe9f2e2
ripemd-160
2a4d04a656ab561a99ef15ed88e7811ddf2a0d29
Diameter
40685982
Circumference
127818782.15529
Area
1.300108167508E+15
Volume
3.5264118334188E+22
Surface area
5.2004326700319E+15
Circumference
127818782.15529
Perimeter
81371964
Area
413837282826081
Diagonal
28769333.771434
Surface area
2483023696956486
Volume
8.4186881199954E+21
Space diagonal
35235093.989916
Perimeter
61028973
Area
1.7919679998026E+14
Altitude
17617546.994958
Surface area
1.7919679998026E+14
Volume
9.921519097239E+20
Height
9589777.9238113