20851842 is an even 8-digits composite number following 20851841
and preceding 20851843 . In scientific notation, it is written as 2.0851842 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6318720 positive integers (up to 20851842) that are relatively prime to 20851842.
20851842 has 16 divisors, whose sum is 45495072
The reverse of 20851842 is 24815802
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred fifty-one thousand eight hundred forty-two
Scientific notation
2.0851842 × 10^7
Engineering notation
2.0851842 × 10^6
Prime Factorization
2 × 3 × 11 × 315937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20851842
Product of the distinct prime numbers
The prime factorization of 20851842 is 2 × 3 × 11 × 315937.
Since it has a total of 4 prime factors.
8 , 9 , 57 , 38 , 786 , 472 , 9011 , 8764 , 52506 , 97478 , 265842 , 475704 , 7110743 , 9336727 , 32469604 , 10870256 , 817097367 , 274851341 , 4480512883 , 5785361755
n×2
41703684
n×3
62555526
n×4
83407368
n×5
104259210
n÷2
10425921
n÷3
6950614
n÷3
5212960.5
n÷5
4170368.4
n2
434799314792964
n3
9.0663666137711E+21
n4
1.8905044414443E+29
n5
3.9420499913295E+36
2 √n
4566.3817186039
3 √n
275.2420656498
4 √n
67.575008091778
5 √n
29.095705021634
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 315937 , 631874 , 947811 , 1895622 , 3475307 , 6950614 , 10425921 , 20851842
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
-20851841
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 20851842 can be divided by 16 positive divisors.
The sum of these divisors (counting 20851842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100010110010000010
3
Ternary
1110020101100110
4
Quaternary
1033202302002
5
Quinary
20314224332
6
Senary
2022532150
8
Octal
117426202
10
Decimal
20851842
12
Duodecimal
6b97056
16
Hexadecimal
13e2c82
20
Vigesimal
6a69c2
36
Base36
cexdu
md5
a1390cd8d23585518f5483c617811ab0
sha1
c03dc3ed3a7e38b9f3a8c7a1a9694668818cdc17
sha256
c2fe355f20b19909bd410b38a9fa8805effd2619066e31d9cb912a199d39f776
sha512
42cb9b67a505106fe19846728e1f1ced1de8c5d60cae3a006015dc2ee657c1e23de0f999a75d36d239be8928866a5541d53dfcfa92fec1fe38e0bee3a6e1d31b
ripemd-160
0b0b19cd2868134b02a54af628248814a631417c
Diameter
41703684
Circumference
131015987.28203
Area
1.3659623331395E+15
Volume
3.7977107664767E+22
Surface area
5.4638493325578E+15
Circumference
131015987.28203
Perimeter
83407368
Area
434799314792964
Diagonal
29488957.756861
Surface area
2608795888757784
Volume
9.0663666137711E+21
Space diagonal
36116449.775399
Perimeter
62555526
Area
1.8827362607939E+14
Altitude
18058224.887699
Surface area
1.8827362607939E+14
Volume
1.0684815522201E+21
Height
9829652.5856203