421909721 is an odd 9-digits composite number following 421909720
and preceding 421909722 . In scientific notation, it is written as 4.21909721 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 395270400 positive integers (up to 421909721) that are relatively prime to 421909721.
421909721 has 16 divisors, whose sum is 449584128
The reverse of 421909721 is 127909124
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
four hundred twenty-one million nine hundred nine thousand seven hundred twenty-one
Scientific notation
4.21909721 × 10^8
Engineering notation
4.21909721 × 10^6
Prime Factorization
31 × 41 × 137 × 2423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
421909721
Product of the distinct prime numbers
The prime factorization of 421909721 is 31 × 41 × 137 × 2423.
Since it has a total of 4 prime factors.
6 , 4 , 6 , 69 , 708 , 548 , 525 , 5507 , 27815 , 47285 , 897228 , 377202 , 7792764 , 5279450 , 45819016 , 48255790 , 120568396 , 525351650 , 9921340287 , 7488369168
n×2
843819442
n×3
1265729163
n×4
1687638884
n×5
2109548605
n÷2
210954860.5
n÷3
140636573.66667
n÷3
105477430.25
n÷5
84381944.2
n2
178007812674297841
n3
7.5103226581233E+25
n4
3.1686781373088E+34
n5
1.3368961088508E+43
2 √n
20540.441110161
3 √n
750.02057484297
4 √n
143.31936753336
5 √n
53.093811838041
1 , 31 , 41 , 137 , 1271 , 2423 , 4247 , 5617 , 75113 , 99343 , 174127 , 331951 , 3079633 , 10290481 , 13609991 , 421909721
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
-421909720
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 421909721 can be divided by 16 positive divisors.
The sum of these divisors (counting 421909721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11001001001011101010011011001
3
Ternary
1002101220020022222
4
Quaternary
121021131103121
5
Quinary
1331002102341
6
Senary
105510553425
8
Octal
3111352331
10
Decimal
421909721
12
Duodecimal
b9368875
16
Hexadecimal
1925d4d9
20
Vigesimal
6bgie61
36
Base36
6z6zmh
md5
5d464612e61fcb377cae0ffbd0228613
sha1
a3069b0f59044805deda8216a93445482c5103fd
sha256
7848fa01cfac05d9bedeae8abb797e065b6de3112141755567001514f920b721
sha512
2a4c8c0cd894274a589b1fbff83c9084711d834a6b2f90f112da97d0e58a0cd163a1390ce94a152b0444cdb304a6d649b6e960cf1df237ea952539a7f2843363
ripemd-160
0ccc08d625d648460e337f8d0d45df769e9abf26
Diameter
843819442
Circumference
2650936959.9434
Area
5.5922803657916E+17
Volume
3.1459165985132E+26
Surface area
2.2369121463166E+18
Circumference
2650936959.9434
Perimeter
1687638884
Area
178007812674297841
Diagonal
596670449.53525
Surface area
1068046876045787046
Volume
7.5103226581233E+25
Space diagonal
730769072.97921
Perimeter
1265729163
Area
7.7079643924022E+16
Altitude
365384536.4896
Surface area
7.7079643924022E+16
Volume
8.8510001340966E+24
Height
198890149.84508