18821401 is an odd 8-digits composite number following 18821400
and preceding 18821402 . In scientific notation, it is written as 1.8821401 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 18266640 positive integers (up to 18821401) that are relatively prime to 18821401.
18821401 has 8 divisors, whose sum is 19381824
The reverse of 18821401 is 10412881
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighteen million eight hundred twenty-one thousand four hundred one
Scientific notation
1.8821401 × 10^7
Engineering notation
1.8821401 × 10^6
Prime Factorization
43 × 167 × 2621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18821401
Product of the distinct prime numbers
The prime factorization of 18821401 is 43 × 167 × 2621.
Since it has a total of 3 prime factors.
10 , 1 , 2 , 26 , 894 , 79 , 7374 , 2885 , 3983 , 63349 , 694009 , 103282 , 8460452 , 8552821 , 68302091 , 7563709 , 833743300 , 62913119 , 2960368314 , 1611991311
n×2
37642802
n×3
56464203
n×4
75285604
n×5
94107005
n÷2
9410700.5
n÷3
6273800.3333333
n÷3
4705350.25
n÷5
3764280.2
n2
354245135602801
n3
6.6673897494797E+21
n4
1.2548961609825E+29
n5
2.3618903859212E+36
2 √n
4338.3638621029
3 √n
266.00143685507
4 √n
65.866257386486
5 √n
28.505613314568
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
-18821400
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 18821401 can be divided by 8 positive divisors.
The sum of these divisors (counting 18821401) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111110011000100011001
3
Ternary
1022102020002221
4
Quaternary
1013303010121
5
Quinary
14304241101
6
Senary
1511224041
8
Octal
107630431
10
Decimal
18821401
12
Duodecimal
6378021
16
Hexadecimal
11f3119
20
Vigesimal
5hcda1
36
Base36
b7eop
md5
f1983ce3bee9f02a7e1e120260c62622
sha1
ff9a8547129de83bddda8da45a0c0d33e6c6719d
sha256
7d1ae741d0ae4f408b4a59a9bf731abdf09196239dabc22ea098a41365ef0b50
sha512
c008bc2ac4954ffeae5b7013742fdb7be297c06ade258efbb163c5522c0c61e32b3bdf77f71a88c7f31ff93fa9d1bc3311bb3ffd59ec5ab013ca6e43010a173c
ripemd-160
e7fa68a2a4a3870221257cbd314c64c8b652076d
Diameter
37642802
Circumference
118258350.22374
Area
1.1128939155797E+15
Volume
2.7928296874114E+22
Surface area
4.4515756623187E+15
Circumference
118258350.22374
Perimeter
75285604
Area
354245135602801
Diagonal
26617480.557063
Surface area
2125470813616806
Volume
6.6673897494797E+21
Space diagonal
32599622.801628
Perimeter
56464203
Area
1.5339264329954E+14
Altitude
16299811.400814
Surface area
1.5339264329954E+14
Volume
7.8575941744513E+20
Height
8872493.5190208