20161980 is an even 8-digits composite number following 20161979
and preceding 20161981 . In scientific notation, it is written as 2.0161980 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 5376384 positive integers (up to 20161980) that are relatively prime to 20161980.
20161980 has 24 divisors, whose sum is 48091344
The reverse of 20161980 is 08916102
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred sixty-one thousand nine hundred eighty
Scientific notation
2.0161980 × 10^7
Engineering notation
2.0161980 × 10^6
Prime Factorization
2 × 2 × 3 × 45 × 37337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10080990
Product of the distinct prime numbers
The prime factorization of 20161980 is 2 × 2 × 3 × 45 × 37337.
Since it has a total of 5 prime factors.
2 , 3 , 36 , 29 , 183 , 50 , 2397 , 6073 , 5262 , 91253 , 747742 , 155078 , 6687601 , 2076146 , 94992850 , 80061995 , 243313911 , 209862825 , 5096369349 , 5657476080
n×2
40323960
n×3
60485940
n×4
80647920
n×5
100809900
n÷2
10080990
n÷3
6720660
n÷3
5040495
n÷5
4032396
n2
406505437520400
n3
8.1959545011776E+21
n4
1.6524667073365E+29
n5
3.3317000703985E+36
2 √n
4490.2093492397
3 √n
272.17259446708
4 √n
67.009024386569
5 √n
28.900585144446
1 , 2 , 3 , 4 , 6 , 12 , 45 , 90 , 135 , 180 , 270 , 540 , 37337 , 74674 , 112011 , 149348 , 224022 , 448044 , 1680165 , 3360330 , 5040495 , 6720660 , 10080990 , 20161980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161980 can be divided by 24 positive divisors.
The sum of these divisors (counting 20161980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111010010110111100
3
Ternary
1101221100001000
4
Quaternary
1030322112330
5
Quinary
20130140410
6
Senary
2000050300
8
Octal
114722674
10
Decimal
20161980
12
Duodecimal
6903990
16
Hexadecimal
133a5bc
20
Vigesimal
6604j0
36
Base36
c0530
md5
76b9a1c33cd1d8c494cc3e3745ebfba1
sha1
f9828f1e036a8820225a7ae7f45fa4f9f7ca176a
sha256
fc33dd2c8e77ff9a508e0be152928632f58f2b31d7a98eb39267106d87f42597
sha512
75f21821c6a52cd7e17a22af466dcfdd50973d41ce8d93c64c6c4ba97219e442366d81d4950d4e4b84f7a6889b4942a561d97fd37c4b9adbb09cf427e85e0c1e
ripemd-160
676a5b93c7c9b902843309540594aee701d20fff
Diameter
40323960
Circumference
126681456.49965
Area
1.2770744961584E+15
Volume
3.4331133933407E+22
Surface area
5.1082979846336E+15
Circumference
126681456.49965
Perimeter
80647920
Area
406505437520400
Diagonal
28513345.560295
Surface area
2439032625122400
Volume
8.1959545011776E+21
Space diagonal
34921573.741188
Perimeter
60485940
Area
1.7602201783459E+14
Altitude
17460786.870594
Surface area
1.7602201783459E+14
Volume
9.6590250101318E+20
Height
9504448.5200984