20081842 is an even 8-digits composite number following 20081841
and preceding 20081843 . In scientific notation, it is written as 2.0081842 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 9108000 positive integers (up to 20081842) that are relatively prime to 20081842.
20081842 has 16 divisors, whose sum is 32933664
The reverse of 20081842 is 24818002
Previous prime number is 691
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eighty-one thousand eight hundred forty-two
Scientific notation
2.0081842 × 10^7
Engineering notation
2.0081842 × 10^6
Prime Factorization
2 × 11 × 691 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081842
Product of the distinct prime numbers
The prime factorization of 20081842 is 2 × 11 × 691 × 1321.
Since it has a total of 4 prime factors.
9 , 8 , 50 , 53 , 554 , 959 , 3890 , 803 , 12364 , 27240 , 246939 , 685593 , 1429195 , 2233289 , 4241253 , 92873843 , 547899007 , 192142805 , 4836615753 , 8973702472
n×2
40163684
n×3
60245526
n×4
80327368
n×5
100409210
n÷2
10040921
n÷3
6693947.3333333
n÷3
5020460.5
n÷5
4016368.4
n2
403280378112964
n3
8.0986128349648E+21
n4
1.6263506337094E+29
n5
3.2660116462751E+36
2 √n
4481.2768269769
3 √n
271.81151337449
4 √n
66.942339569042
5 √n
28.87757424845
1 , 2 , 11 , 22 , 691 , 1321 , 1382 , 2642 , 7601 , 14531 , 15202 , 29062 , 912811 , 1825622 , 10040921 , 20081842
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
-20081841
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 20081842 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110110010110010
3
Ternary
1101210021002221
4
Quaternary
1030212302302
5
Quinary
20120104332
6
Senary
1554231254
8
Octal
114466262
10
Decimal
20081842
12
Duodecimal
688552a
16
Hexadecimal
1326cb2
20
Vigesimal
65a4c2
36
Base36
byf8y
md5
e6bdcbce623e2455477884498074b271
sha1
6bca9aadc7b6b4cb8a59b743337c140bb0340030
sha256
798323869e2a3b07fca8ca8a6116c92f3d3a650d6403faba43c071f69ae2545c
sha512
ccd964dd52d1cd7273c6c77f48b2ee9d179efb588e5526ebfc85520743b37682c04b1b96e8eabb035792277d1b6e6ed4c787d31f127200a10485a54f4605e419
ripemd-160
212f9cf034a2a456b3f96662e092bc1a33f7ef53
Diameter
40163684
Circumference
126177934.5955
Area
1.2669426732166E+15
Volume
3.3923390115458E+22
Surface area
5.0677706928664E+15
Circumference
126177934.5955
Perimeter
80327368
Area
403280378112964
Diagonal
28400013.313834
Surface area
2419682268677784
Volume
8.0986128349648E+21
Space diagonal
34782770.653571
Perimeter
60245526
Area
1.7462552614681E+14
Altitude
17391385.326785
Surface area
1.7462552614681E+14
Volume
9.5443067563467E+20
Height
9466671.1046112