215431388 is an even 9-digits composite number following 215431387
and preceding 215431389 . In scientific notation, it is written as 2.15431388 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 107715692 positive integers (up to 215431388) that are relatively prime to 215431388.
215431388 has 6 divisors, whose sum is 377004936
The reverse of 215431388 is 883134512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred fifteen million four hundred thirty-one thousand three hundred eighty-eight
Scientific notation
2.15431388 × 10^8
Engineering notation
2.15431388 × 10^6
Prime Factorization
2 × 2 × 53857847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
107715694
Product of the distinct prime numbers
The prime factorization of 215431388 is 2 × 2 × 53857847.
Since it has a total of 3 prime factors.
3 , 5 , 65 , 14 , 895 , 114 , 5436 , 479 , 96081 , 88262 , 877929 , 880711 , 6702609 , 5717610 , 46201573 , 83083509 , 536343168 , 478276325 , 4075310536 , 7774756800
n×2
430862776
n×3
646294164
n×4
861725552
n×5
1077156940
n÷2
107715694
n÷3
71810462.666667
n÷3
53857847
n÷5
43086277.6
n2
46410682935606544
n3
9.9983178428456E+24
n4
2.1539514905494E+33
n5
4.6402875929373E+41
2 √n
14677.581135868
3 √n
599.47304473982
4 √n
121.15106741531
5 √n
46.415367769804
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-215431387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 215431388 can be divided by 6 positive divisors.
The sum of these divisors (counting 215431388) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1100110101110011100011011100
3
Ternary
120000101001022022
4
Quaternary
30311303203130
5
Quinary
420122301023
6
Senary
33213235312
8
Octal
1465634334
10
Decimal
215431388
12
Duodecimal
60192b38
16
Hexadecimal
cd738dc
20
Vigesimal
3768i98
36
Base36
3k9fx8
md5
606e7d10c1a3917f7daa606c823f1f48
sha1
2f6a35b580d76dbfc1e62c5c375443e802974406
sha256
f8321483a8a2de50dde38b26badc4ca9b94654ffba6f92ba96165f9dcfe3ade8
sha512
ad9fa85a822fd8af060227c3b37605f595230b027f029bc3d843e776466631f5c2d91bb5d213556ad22a28e9b403281b4cfd72658a271bb4f736aed89f8c5c95
ripemd-160
b9b6b213dc78334d320798ddbaf0c82fe59ecaf1
Diameter
430862776
Circumference
1353595331.7869
Area
1.4580346055859E+17
Volume
4.1880855844453E+25
Surface area
5.8321384223435E+17
Circumference
1353595331.7869
Perimeter
861725552
Area
46410682935606544
Diagonal
304665990.67046
Surface area
278464097613639264
Volume
9.9983178428456E+24
Space diagonal
373138109.56108
Perimeter
646294164
Area
2.009641521461E+16
Altitude
186569054.78054
Surface area
2.009641521461E+16
Volume
1.1783130578558E+24
Height
101555330.22349