20181937 is an odd 8-digits prime number following 20181936
and preceding 20181938 . In scientific notation, it is written as 2.0181937 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20181936 positive integers (up to 20181937) that are relatively prime to 20181937.
20181937 has 2 divisors, whose sum is 20181938
The reverse of 20181937 is 73918102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-one thousand nine hundred thirty-seven
Scientific notation
2.0181937 × 10^7
Engineering notation
2.0181937 × 10^6
Prime Factorization
20181937
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20181937
Product of the distinct prime numbers
The prime factorization of 20181937 is 20181937.
Since it has a total of 1 prime factors.
7 , 4 , 61 , 91 , 802 , 808 , 7936 , 1902 , 83093 , 38847 , 475018 , 474287 , 9064210 , 346267 , 6049471 , 40830760 , 408829452 , 25619372 , 6047333377 , 9297839871
n×2
40363874
n×3
60545811
n×4
80727748
n×5
100909685
n÷2
10090968.5
n÷3
6727312.3333333
n÷3
5045484.25
n÷5
4036387.4
n2
407310581071969
n3
8.2203164866279E+21
n4
1.6590190945319E+29
n5
3.3482218847639E+36
2 √n
4492.4310790484
3 √n
272.2623666898
4 √n
67.025600176712
5 √n
28.90630423306
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20181938
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10090969
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4492.4311903467
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009015
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181937 can be divided by 2 positive divisors.
The sum of these divisors (counting 20181937) is 20181938, the average is 10090969.
Base
System
Value
2
Binary
1001100111111001110110001
3
Ternary
1101222100102011
4
Quaternary
1030333032301
5
Quinary
20131310222
6
Senary
2000322521
8
Octal
114771661
10
Decimal
20181937
12
Duodecimal
6913441
16
Hexadecimal
133f3b1
20
Vigesimal
662egh
36
Base36
c0khd
md5
409ab7882e61ad477c191c03f6e38099
sha1
f3138dace96383d92c0ab7d15422bf27a0dc9100
sha256
320429991633e218c61614c4e3553a071b20399b475dd88e6bf848fd96a4f2cd
sha512
ff9393dfb95e6289a71758f7bdb47120ca5b372bbc2e18758f17cd592a77d164446985551ed0ba37ded883dc66e681bee3fd2673dfe0aa7abdc4ef1e5fd94af1
ripemd-160
4b0eb7d1f6904f344a071e828c6f6e3a14f9f45a
Diameter
40363874
Circumference
126806850.02882
Area
1.2796039292251E+15
Volume
3.4433181179431E+22
Surface area
5.1184157169004E+15
Circumference
126806850.02882
Perimeter
80727748
Area
407310581071969
Diagonal
28541569.020359
Surface area
2443863486431814
Volume
8.2203164866279E+21
Space diagonal
34956140.279154
Perimeter
60545811
Area
1.7637065521926E+14
Altitude
17478070.139577
Surface area
1.7637065521926E+14
Volume
9.6877358853236E+20
Height
9513856.3401198