20001946 is an even 8-digits composite number following 20001945
and preceding 20001947 . In scientific notation, it is written as 2.0001946 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 9474588 positive integers (up to 20001946) that are relatively prime to 20001946.
20001946 has 8 divisors, whose sum is 31582080
The reverse of 20001946 is 64910002
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one thousand nine hundred forty-six
Scientific notation
2.0001946 × 10^7
Engineering notation
2.0001946 × 10^6
Prime Factorization
2 × 19 × 526367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20001946
Product of the distinct prime numbers
The prime factorization of 20001946 is 2 × 19 × 526367.
Since it has a total of 3 prime factors.
7 , 2 , 18 , 82 , 383 , 711 , 7613 , 3993 , 41855 , 16947 , 669910 , 380227 , 6002168 , 137989 , 98292802 , 74018334 , 294944257 , 652974342 , 7496762466 , 1693627220
n×2
40003892
n×3
60005838
n×4
80007784
n×5
100009730
n÷2
10000973
n÷3
6667315.3333333
n÷3
5000486.5
n÷5
4000389.2
n2
400077843786916
n3
8.0023354272223E+21
n4
1.6006228108919E+29
n5
3.2015571029828E+36
2 √n
4472.3535191217
3 √n
271.45056513511
4 √n
66.875657149083
5 √n
28.854559595095
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20001945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20001946 can be divided by 8 positive divisors.
The sum of these divisors (counting 20001946) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010011010010011010
3
Ternary
1101122012111211
4
Quaternary
1030103102122
5
Quinary
20110030241
6
Senary
1552413334
8
Octal
114232232
10
Decimal
20001946
12
Duodecimal
684724a
16
Hexadecimal
131349a
20
Vigesimal
6504h6
36
Base36
bwplm
md5
252696fb9e0978c8f3c214443b176d10
sha1
0d17b75b4baeec70612bb412b136ea320bd8d09b
sha256
769a79dbf039d40b8d6db37fe6629f13f208b8ebf512729441363917f5382003
sha512
d59f094828f672e5ad63766a1331ccd8724ea0e48193c2fa4326bd3b916dfcf0133cdf7496c96d8d667731f8bce14d93a96ea632178b0c26dc137855432ca2f2
ripemd-160
4d604412480cf137394c68e37e64b94d9aee1161
Diameter
40003892
Circumference
125675933.2222
Area
1.256881614905E+15
Volume
3.3520104252964E+22
Surface area
5.0275264596201E+15
Circumference
125675933.2222
Perimeter
80007784
Area
400077843786916
Diagonal
28287023.307054
Surface area
2400467062721496
Volume
8.0023354272223E+21
Space diagonal
34644386.722249
Perimeter
60005838
Area
1.7323878810539E+14
Altitude
17322193.361125
Surface area
1.7323878810539E+14
Volume
9.4308427431971E+20
Height
9429007.7690181