421369987 is an odd 9-digits composite number following 421369986
and preceding 421369988 . In scientific notation, it is written as 4.21369987 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 421316056 positive integers (up to 421369987) that are relatively prime to 421369987.
421369987 has 4 divisors, whose sum is 421423920
The reverse of 421369987 is 789963124
Previous prime number is 9479
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
four hundred twenty-one million three hundred sixty-nine thousand nine hundred eighty-seven
Scientific notation
4.21369987 × 10^8
Engineering notation
4.21369987 × 10^6
Prime Factorization
9479 × 44453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
421369987
Product of the distinct prime numbers
The prime factorization of 421369987 is 9479 × 44453.
Since it has a total of 2 prime factors.
7 , 7 , 45 , 43 , 649 , 617 , 7226 , 8349 , 24554 , 18530 , 963735 , 991097 , 5669774 , 1311315 , 78817340 , 16563292 , 277465944 , 774985806 , 2586799595 , 8719572739
n×2
842739974
n×3
1264109961
n×4
1685479948
n×5
2106849935
n÷2
210684993.5
n÷3
140456662.33333
n÷3
105342496.75
n÷5
84273997.4
n2
177552665944380169
n3
7.4815364540799E+25
n4
3.1524949183957E+34
n5
1.3283667427819E+43
2 √n
20527.298580183
3 √n
749.70061354327
4 √n
143.27350969451
5 √n
53.080220679085
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
-421369986
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 421369987 can be divided by 4 positive divisors.
The sum of these divisors (counting 421369987) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001000111011001100010000011
3
Ternary
1002100212210221211
4
Quaternary
121013121202003
5
Quinary
1330332314422
6
Senary
105451230551
8
Octal
3107314203
10
Decimal
421369987
12
Duodecimal
b9148457
16
Hexadecimal
191d9883
20
Vigesimal
6bdb4j7
36
Base36
6yvf5v
md5
a4b487235cdc2358bd3cb3efe1dea68e
sha1
ac16b732e6a3385bdf3560393ad87b83486d435c
sha256
0f85176b46cb87f0b3abfdab5034ecf377dd4b95137648f83597589195537f03
sha512
ad082c7fcc09dec27db70a1e67817624d7138c68afc010a14e06330ea89b111bb882f67222c7c38de94446952e93ab9f6133165d9f981894e90ea46fa3f34cd5
ripemd-160
807399d68c504e8c22f6e288803a66b42fc24952
Diameter
842739974
Circumference
2647545711.2049
Area
5.5779815095615E+17
Volume
3.1338586615602E+26
Surface area
2.2311926038246E+18
Circumference
2647545711.2049
Perimeter
1685479948
Area
177552665944380169
Diagonal
595907150.39237
Surface area
1065315995666281014
Volume
7.4815364540799E+25
Space diagonal
729834226.26864
Perimeter
1264109961
Area
7.6882559608743E+16
Altitude
364917113.13432
Surface area
7.6882559608743E+16
Volume
8.8170752672904E+24
Height
198635716.79746