21000432 is an even 8-digits composite number following 21000431
and preceding 21000433 . In scientific notation, it is written as 2.1000432 × 10^7.
The sum of its digits is 12. It has a total of 6 prime factors and 20 positive divisors.
There are 7000128 positive integers (up to 21000432) that are relatively prime to 21000432.
21000432 has 20 divisors, whose sum is 54251240
The reverse of 21000432 is 23400012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million four hundred thirty-two
Scientific notation
2.1000432 × 10^7
Engineering notation
2.1000432 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 437509
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2625054
Product of the distinct prime numbers
The prime factorization of 21000432 is 2 × 2 × 2 × 2 × 3 × 437509.
Since it has a total of 6 prime factors.
6 , 7 , 25 , 56 , 695 , 171 , 3957 , 3808 , 23482 , 76962 , 109479 , 903258 , 9565632 , 7396565 , 74185664 , 16429638 , 577036319 , 537370119 , 7007305393 , 794795847
n×2
42000864
n×3
63001296
n×4
84001728
n×5
105002160
n÷2
10500216
n÷3
7000144
n÷3
5250108
n÷5
4200086.4
n2
441018144186624
n3
9.2615715477574E+21
n4
1.9449700350181E+29
n5
4.0845210962436E+36
2 √n
4582.6228297777
3 √n
275.89430945886
4 √n
67.695072418735
5 √n
29.137054462449
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 437509 , 875018 , 1312527 , 1750036 , 2625054 , 3500072 , 5250108 , 7000144 , 10500216 , 21000432
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000431
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000432 can be divided by 20 positive divisors.
The sum of these divisors (counting 21000432) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000000111000011110000
3
Ternary
1110111221011210
4
Quaternary
1100013003300
5
Quinary
20334003212
6
Senary
2030040120
8
Octal
120070360
10
Decimal
21000432
12
Duodecimal
7049040
16
Hexadecimal
14070f0
20
Vigesimal
6b511c
36
Base36
ci41c
md5
cc802b8870b7b7925b82d08b385c1aa4
sha1
8f77e48cf912318d3a0a0deacf0c80e900e4f01e
sha256
ea04f33a647924e0dd421c4d3d87e9c46180921be40ab423fbc189e5ea8c1b18
sha512
6a82d1b5a704120b43e0c7c05a4f98d78576111da275b8d5e5e5405e618c19f040082bf881831e688f86f2d42f65dad4e959ac04da3a4606e01f3e7a6d7a59d9
ripemd-160
f0a241dee8860f4e2673b2fc2f533c5e76adb2fc
Diameter
42000864
Circumference
131949605.78682
Area
1.3854993618765E+15
Volume
3.8794780180174E+22
Surface area
5.541997447506E+15
Circumference
131949605.78682
Perimeter
84001728
Area
441018144186624
Diagonal
29699095.750094
Surface area
2646108865119744
Volume
9.2615715477574E+21
Space diagonal
36373815.204895
Perimeter
63001296
Area
1.9096645819774E+14
Altitude
18186907.602448
Surface area
1.9096645819774E+14
Volume
1.0914866743106E+21
Height
9899698.5833646