20181379 is an odd 8-digits composite number following 20181378
and preceding 20181380 . In scientific notation, it is written as 2.0181379 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20172384 positive integers (up to 20181379) that are relatively prime to 20181379.
20181379 has 4 divisors, whose sum is 20190376
The reverse of 20181379 is 97318102
Previous prime number is 4273
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-one thousand three hundred seventy-nine
Scientific notation
2.0181379 × 10^7
Engineering notation
2.0181379 × 10^6
Prime Factorization
4273 × 4723
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20181379
Product of the distinct prime numbers
The prime factorization of 20181379 is 4273 × 4723.
Since it has a total of 2 prime factors.
1 , 6 , 56 , 49 , 57 , 576 , 8002 , 7259 , 32282 , 14836 , 27493 , 910127 , 471527 , 1089321 , 90549131 , 5969919 , 724965326 , 627152617 , 8324151595 , 5061340670
n×2
40362758
n×3
60544137
n×4
80725516
n×5
100906895
n÷2
10090689.5
n÷3
6727126.3333333
n÷3
5045344.75
n÷5
4036275.8
n2
407288058341641
n3
8.2196346675668E+21
n4
1.658835624677E+29
n5
3.3477590440309E+36
2 √n
4492.3689741605
3 √n
272.25985745261
4 √n
67.025136882818
5 √n
28.906144388183
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181378
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181379 can be divided by 4 positive divisors.
The sum of these divisors (counting 20181379) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111111000110000011
3
Ternary
1101222022122111
4
Quaternary
1030333012003
5
Quinary
20131301004
6
Senary
2000320151
8
Octal
114770603
10
Decimal
20181379
12
Duodecimal
6913057
16
Hexadecimal
133f183
20
Vigesimal
662d8j
36
Base36
c0k1v
md5
bf638258395c17a83a771c8ac73dc89c
sha1
0e0db7f930ce3be7463a9d5ff63eb1eee280e78b
sha256
9976a0f03ae2a5235cea001d0f224ec771db6291ffb09120e51c167b168d97cc
sha512
5f77425b30a852475471abf2934a19f103a3483f468c5c9b74700e62055f0d14405b4fb13bb5bce30e6a2e82c073957093bef7c8400f96f7f3fca8a1a2900e0d
ripemd-160
7ed2a184de113a5e5e0980c06b405f578cd3c32c
Diameter
40362758
Circumference
126803344.01142
Area
1.279533171981E+15
Volume
3.4430325182426E+22
Surface area
5.1181326879238E+15
Circumference
126803344.01142
Perimeter
80725516
Area
407288058341641
Diagonal
28540779.889192
Surface area
2443728350049846
Volume
8.2196346675668E+21
Space diagonal
34955173.794804
Perimeter
60544137
Area
1.7636090259095E+14
Altitude
17477586.897402
Surface area
1.7636090259095E+14
Volume
9.6869323538542E+20
Height
9513593.2963972