20185816 is an even 8-digits composite number following 20185815
and preceding 20185817 . In scientific notation, it is written as 2.0185816 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 8651040 positive integers (up to 20185816) that are relatively prime to 20185816.
20185816 has 16 divisors, whose sum is 43255440
The reverse of 20185816 is 61858102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-five thousand eight hundred sixteen
Scientific notation
2.0185816 × 10^7
Engineering notation
2.0185816 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 360461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5046454
Product of the distinct prime numbers
The prime factorization of 20185816 is 2 × 2 × 2 × 7 × 360461.
Since it has a total of 5 prime factors.
8 , 1 , 14 , 30 , 128 , 631 , 6098 , 3392 , 45738 , 97270 , 955458 , 962828 , 153163 , 6805972 , 48794140 , 79432275 , 809824821 , 892008350 , 1231015969 , 6983390381
n×2
40371632
n×3
60557448
n×4
80743264
n×5
100929080
n÷2
10092908
n÷3
6728605.3333333
n÷3
5046454
n÷5
4037163.2
n2
407467167585856
n3
8.2250572709293E+21
n4
1.6602949266044E+29
n5
3.351440789417E+36
2 √n
4492.8627844616
3 √n
272.27980865727
4 √n
67.028820551026
5 √n
28.90741531506
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 360461 , 720922 , 1441844 , 2523227 , 2883688 , 5046454 , 10092908 , 20185816
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
-20185815
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 20185816 can be divided by 16 positive divisors.
The sum of these divisors (counting 20185816) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000001011011000
3
Ternary
1101222112201211
4
Quaternary
1031000023120
5
Quinary
20131421231
6
Senary
2000352504
8
Octal
115001330
10
Decimal
20185816
12
Duodecimal
6915734
16
Hexadecimal
13402d8
20
Vigesimal
6634ag
36
Base36
c0nh4
md5
b60d909a0b260059d5ec41b595a0512a
sha1
93463fabe039cb26e48dfe32c99e7327b8db8136
sha256
7ad4c4acca9f48924726fa46163e2777c435211cce66d92746f8925ffe4f6d3a
sha512
7ab22e3c74cbe0f1dd6df44b165cdb556d1d979e6f77dd92d1fe8493b207c683d8543e2484ad2c64471926f9af449e297a419a27978e0b5e456e9ebf5c2e47c4
ripemd-160
9471454a4f6b84ad8e3dad8cd753e5cffb0af148
Diameter
40371632
Circumference
126831222.50463
Area
1.2800958602668E+15
Volume
3.4453039330276E+22
Surface area
5.1203834410671E+15
Circumference
126831222.50463
Perimeter
80743264
Area
407467167585856
Diagonal
28547054.754768
Surface area
2444803005515136
Volume
8.2250572709293E+21
Space diagonal
34962858.904237
Perimeter
60557448
Area
1.7643845916872E+14
Altitude
17481429.452118
Surface area
1.7643845916872E+14
Volume
9.693322953203E+20
Height
9515684.9182559