402019921 is an odd 9-digits composite number following 402019920
and preceding 402019922 . In scientific notation, it is written as 4.02019921 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 384540772 positive integers (up to 402019921) that are relatively prime to 402019921.
402019921 has 4 divisors, whose sum is 419499072
The reverse of 402019921 is 129910204
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
four hundred two million nineteen thousand nine hundred twenty-one
Scientific notation
4.02019921 × 10^8
Engineering notation
4.02019921 × 10^6
Prime Factorization
23 × 17479127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
402019921
Product of the distinct prime numbers
The prime factorization of 402019921 is 23 × 17479127.
Since it has a total of 2 prime factors.
8 , 7 , 72 , 81 , 195 , 434 , 5951 , 2768 , 45352 , 91970 , 307523 , 215209 , 2482934 , 1594832 , 56735075 , 39558411 , 480245110 , 40711176 , 9172155313 , 6423219398
n×2
804039842
n×3
1206059763
n×4
1608079684
n×5
2010099605
n÷2
201009960.5
n÷3
134006640.33333
n÷3
100504980.25
n÷5
80403984.2
n2
161620016880846241
n3
6.4974466418456E+25
n4
2.6121029856565E+34
n5
1.0501174359375E+43
2 √n
20050.434434196
3 √n
738.04446000416
4 √n
141.59955661723
5 √n
52.583503033862
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
-402019920
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 402019921 can be divided by 4 positive divisors.
The sum of these divisors (counting 402019921) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111111101100101011001010001
3
Ternary
1001000110201122201
4
Quaternary
113331211121101
5
Quinary
1310404114141
6
Senary
103520403201
8
Octal
2775453121
10
Decimal
402019921
12
Duodecimal
b2776501
16
Hexadecimal
17f65651
20
Vigesimal
65cc9g1
36
Base36
6ncok1
md5
c4f2ca028f391516341383247e5b70e6
sha1
868a7fc75f27c9d4883dd4c7aaffbe9d82c02eda
sha256
d9c4ca54516a1b17e90372208766ea760f55f6cf45f352470671a0364ca225eb
sha512
1dd5688921f387242fbaa6cc5c6e60682e5d27efaf09af11f41da81e62a42e3b65bc4daf4c4de4e25f4114e3e933498b55eae4d67642cbe73998f47d5968a018
ripemd-160
b7d1b959ecfdd6172f90725d6f81e861b0a5769a
Diameter
804039842
Circumference
2525965660.8207
Area
5.0774425770592E+17
Volume
2.7216440849485E+26
Surface area
2.0309770308237E+18
Circumference
2525965660.8207
Perimeter
1608079684
Area
161620016880846241
Diagonal
568542024.62236
Surface area
969720101285077446
Volume
6.4974466418456E+25
Space diagonal
696318928.82683
Perimeter
1206059763
Area
6.9983520189441E+16
Altitude
348159464.41341
Surface area
6.9983520189441E+16
Volume
7.6573143014114E+24
Height
189514008.20745