216131421 is an odd 9-digits composite number following 216131420
and preceding 216131422 . In scientific notation, it is written as 2.16131421 × 10^8.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 123283200 positive integers (up to 216131421) that are relatively prime to 216131421.
216131421 has 4 divisors, whose sum is 216517244
The reverse of 216131421 is 124131612
Previous prime number is 561
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
two hundred sixteen million one hundred thirty-one thousand four hundred twenty-one
Scientific notation
2.16131421 × 10^8
Engineering notation
2.16131421 × 10^6
Prime Factorization
561 × 385261
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
216131421
Product of the distinct prime numbers
The prime factorization of 216131421 is 561 × 385261.
Since it has a total of 2 prime factors.
3 , 2 , 50 , 18 , 411 , 470 , 2111 , 6539 , 71778 , 70957 , 859782 , 745 , 8176654 , 8379025 , 94355692 , 95828812 , 116629623 , 42179762 , 2334903917 , 8408552242
n×2
432262842
n×3
648394263
n×4
864525684
n×5
1080657105
n÷2
108065710.5
n÷3
72043807
n÷3
54032855.25
n÷5
43226284.2
n2
46712791143479241
n3
1.0096101928716E+25
n4
2.1820848564143E+33
n5
4.7161710075941E+41
2 √n
14701.408810043
3 √n
600.12166144027
4 √n
121.24936622532
5 √n
46.445493499211
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
-216131420
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 216131421 can be divided by 4 positive divisors.
The sum of these divisors (counting 216131421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100111000011110011101011101
3
Ternary
120001200121120110
4
Quaternary
30320132131131
5
Quinary
420312201141
6
Senary
33240240233
8
Octal
1470363535
10
Decimal
216131421
12
Duodecimal
60470079
16
Hexadecimal
ce1e75d
20
Vigesimal
37ag8b1
36
Base36
3kog2l
md5
0bb9e4a70f483a5f7b80bab3686365f6
sha1
37696cd0e477eb764a06066f99f9d09f8e5a2027
sha256
dce2249640551e9045dc2e3bdbf4afea49e1ae231081f28f06220a5e2387e308
sha512
82663b97ef29d430401a7303a7df741c17cc61cd5350dae956d238ecca7271b10bf5e5a569d3a6f1623188b90dd8f32fe36bf0120f4e5f8e5cad6b3e7595d5b0
ripemd-160
641a2f81800ef67644a54aa859b6ee9b4e4e5fc3
Diameter
432262842
Circumference
1357993768.847
Area
1.4675256148503E+17
Volume
4.2290452865532E+25
Surface area
5.8701024594011E+17
Circumference
1357993768.847
Perimeter
864525684
Area
46712791143479241
Diagonal
305655986.83317
Surface area
280276746860875446
Volume
1.0096101928716E+25
Space diagonal
374350602.28406
Perimeter
648394263
Area
2.0227231905965E+16
Altitude
187175301.14203
Surface area
2.0227231905965E+16
Volume
1.189837022891E+24
Height
101885328.94439