216888961 is an odd 9-digits composite number following 216888960
and preceding 216888962 . In scientific notation, it is written as 2.16888961 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 215764992 positive integers (up to 216888961) that are relatively prime to 216888961.
216888961 has 4 divisors, whose sum is 218012932
The reverse of 216888961 is 169888612
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
two hundred sixteen million eight hundred eighty-eight thousand nine hundred sixty-one
Scientific notation
2.16888961 × 10^8
Engineering notation
2.16888961 × 10^6
Prime Factorization
193 × 1123777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
216888961
Product of the distinct prime numbers
The prime factorization of 216888961 is 193 × 1123777.
Since it has a total of 2 prime factors.
4 , 10 , 19 , 38 , 150 , 403 , 2743 , 9139 , 93665 , 72232 , 708210 , 528669 , 2270877 , 7515506 , 99522863 , 11473200 , 585302599 , 659243233 , 3235658365 , 3535015938
n×2
433777922
n×3
650666883
n×4
867555844
n×5
1084444805
n÷2
108444480.5
n÷3
72296320.333333
n÷3
54222240.25
n÷5
43377792.2
n2
47040821403659521
n3
1.0202634878826E+25
n4
2.212838878331E+33
n5
4.7994032518161E+41
2 √n
14727.150471154
3 √n
600.82198542273
4 √n
121.35547153365
5 √n
46.478006212163
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
-216888960
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 216888961 can be divided by 4 positive divisors.
The sum of these divisors (counting 216888961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100111011010111011010000001
3
Ternary
120010010002201111
4
Quaternary
30323113122001
5
Quinary
421010421321
6
Senary
33304403321
8
Octal
1473273201
10
Decimal
216888961
12
Duodecimal
60776541
16
Hexadecimal
ced7681
20
Vigesimal
37fb281
36
Base36
3l4old
md5
a96ac33fb3e00b287ffb1fecaa446e7d
sha1
d5e653c82872f9347c02b81b3581ee3aac059ccb
sha256
c7e6c3c0c7992b5425ab908c4fb3fa0cc43f3a90d077355bc40970343b309d05
sha512
95fa47194eccac3abd0f79c9babe7213f934d278badc4a2457b326dff33704d6066df0b22199fcfadd53f71a1907d47d2c3a468f4fcc1f46e11cb05060463daf
ripemd-160
069037732ecbece3230d6462c2606f732b3b20cd
Diameter
433777922
Circumference
1362753533.0446
Area
1.4778309894057E+17
Volume
4.2736697043439E+25
Surface area
5.9113239576226E+17
Circumference
1362753533.0446
Perimeter
867555844
Area
47040821403659521
Diagonal
306727310.17521
Surface area
282244928421957126
Volume
1.0202634878826E+25
Space diagonal
375662700.05282
Perimeter
650666883
Area
2.0369273175228E+16
Altitude
187831350.02641
Surface area
2.0369273175228E+16
Volume
1.2023920514647E+24
Height
102242436.72507