20342987 is an odd 8-digits composite number following 20342986
and preceding 20342988 . In scientific notation, it is written as 2.0342987 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 17262504 positive integers (up to 20342987) that are relatively prime to 20342987.
20342987 has 16 divisors, whose sum is 23961600
The reverse of 20342987 is 78924302
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million three hundred forty-two thousand nine hundred eighty-seven
Scientific notation
2.0342987 × 10^7
Engineering notation
2.0342987 × 10^6
Prime Factorization
7 × 7 × 7 × 127 × 467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
415163
Product of the distinct prime numbers
The prime factorization of 20342987 is 7 × 7 × 7 × 127 × 467.
Since it has a total of 5 prime factors.
2 , 5 , 64 , 56 , 387 , 537 , 9140 , 6508 , 76927 , 77731 , 481777 , 362512 , 999934 , 2391678 , 87975674 , 20336857 , 805866845 , 470643036 , 5709027128 , 9965673989
n×2
40685974
n×3
61028961
n×4
81371948
n×5
101714935
n÷2
10171493.5
n÷3
6780995.6666667
n÷3
5085746.75
n÷5
4068597.4
n2
413837120082169
n3
8.418683153949E+21
n4
1.712611619579E+29
n5
3.4839635913145E+36
2 √n
4510.3200551624
3 √n
272.9846583533
4 √n
67.158916423379
5 √n
28.952291605933
1 , 7 , 49 , 127 , 343 , 467 , 889 , 3269 , 6223 , 22883 , 43561 , 59309 , 160181 , 415163 , 2906141 , 20342987
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20342986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20342987 can be divided by 16 positive divisors.
The sum of these divisors (counting 20342987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101100110100011001011
3
Ternary
1102021112022222
4
Quaternary
1031212203023
5
Quinary
20201433422
6
Senary
2004004255
8
Octal
115464313
10
Decimal
20342987
12
Duodecimal
699068b
16
Hexadecimal
13668cb
20
Vigesimal
672h97
36
Base36
c40qz
md5
70332001b348a7220e9e061c06816555
sha1
088b7562475ab26d7b3b037ef2694a9462268604
sha256
e102e936431d6cacdfad8341d38cb2dfb44075c44a5c51fef61843baeb2bc8f2
sha512
b4dc53c2abca85a4f367c5ee9c8da78bccd06153201d586c16cc34b5f6a438e796905cd241b04cc6ebd076abf0f144e02b33353964f1ceead04ab6d8429d6f90
ripemd-160
f36badb55432e7de3aa4338dae671aa2fb8ee069
Diameter
40685974
Circumference
127818757.02255
Area
1.3001076562329E+15
Volume
3.5264097532462E+22
Surface area
5.2004306249316E+15
Circumference
127818757.02255
Perimeter
81371948
Area
413837120082169
Diagonal
28769328.11458
Surface area
2483022720493014
Volume
8.418683153949E+21
Space diagonal
35235087.061713
Perimeter
61028961
Area
1.7919672951007E+14
Altitude
17617543.530857
Surface area
1.7919672951007E+14
Volume
9.9215132446972E+20
Height
9589776.0381932