394002021 is an odd 9-digits composite number following 394002020
and preceding 394002022 . In scientific notation, it is written as 3.94002021 × 10^8.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 222613248 positive integers (up to 394002021) that are relatively prime to 394002021.
394002021 has 16 divisors, whose sum is 607132800
The reverse of 394002021 is 120200493
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
three hundred ninety-four million two thousand twenty-one
Scientific notation
3.94002021 × 10^8
Engineering notation
3.94002021 × 10^6
Prime Factorization
3 × 7 × 89 × 210809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
394002021
Product of the distinct prime numbers
The prime factorization of 394002021 is 3 × 7 × 89 × 210809.
Since it has a total of 4 prime factors.
8 , 6 , 81 , 74 , 488 , 48 , 2779 , 8572 , 79378 , 63148 , 587332 , 674656 , 5739815 , 6341385 , 22692091 , 48985851 , 215255078 , 919855979 , 243859615 , 4062709675
n×2
788004042
n×3
1182006063
n×4
1576008084
n×5
1970010105
n÷2
197001010.5
n÷3
131334007
n÷3
98500505.25
n÷5
78800404.2
n2
155237592552084441
n3
6.1163925200696E+25
n4
2.4098710141367E+34
n5
9.4949404991918E+42
2 √n
19849.484149468
3 √n
733.10494648726
4 √n
140.88819733913
5 √n
52.37206399719
1 , 3 , 7 , 21 , 89 , 267 , 623 , 1869 , 210809 , 632427 , 1475663 , 4426989 , 18762001 , 56286003 , 131334007 , 394002021
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-394002020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 394002021 can be divided by 16 positive divisors.
The sum of these divisors (counting 394002021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111011110111111111001100101
3
Ternary
1000110101101011110
4
Quaternary
113132333321211
5
Quinary
1301331031041
6
Senary
103032455233
8
Octal
2736777145
10
Decimal
394002021
12
Duodecimal
abb4a519
16
Hexadecimal
177bfe65
20
Vigesimal
632a511
36
Base36
6iktwl
md5
5356244464ac106b9dc554853ed7acdd
sha1
e5705959c5c6e0dd05a60ca113ba4788e0748f90
sha256
32ea2af75ab1b3112f1de246325659ae9a4f191bfe115c6a62a0400a6db9e1a4
sha512
65cf98cc0f0250187e6e4173929e67fd1722713f96e112c5db903c70a9f03ed2d2e6c4330b9102c4bc3dc427c16d1651554647ca49b0daf096d4982db256eee7
ripemd-160
0ee848cbcc62311b75cfbaea6cced4302782c2d7
Diameter
788004042
Circumference
2475587709.3463
Area
4.8769328032259E+17
Volume
2.5620285076696E+26
Surface area
1.9507731212904E+18
Circumference
2475587709.3463
Perimeter
1576008084
Area
155237592552084441
Diagonal
557203001.70061
Surface area
931425555312506646
Volume
6.1163925200696E+25
Space diagonal
682431518.65682
Perimeter
1182006063
Area
6.7219849386222E+16
Altitude
341215759.32841
Surface area
6.7219849386222E+16
Volume
7.2082377122331E+24
Height
185734333.9002