216977991 is an odd 9-digits composite number following 216977990
and preceding 216977992 . In scientific notation, it is written as 2.16977991 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 141574200 positive integers (up to 216977991) that are relatively prime to 216977991.
216977991 has 8 divisors, whose sum is 295459584
The reverse of 216977991 is 199779612
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred sixteen million nine hundred seventy-seven thousand nine hundred ninety-one
Scientific notation
2.16977991 × 10^8
Engineering notation
2.16977991 × 10^6
Prime Factorization
3 × 47 × 1538851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
216977991
Product of the distinct prime numbers
The prime factorization of 216977991 is 3 × 47 × 1538851.
Since it has a total of 3 prime factors.
9 , 1 , 55 , 31 , 754 , 460 , 5160 , 9474 , 17638 , 64487 , 492171 , 259925 , 5566523 , 3161222 , 54776102 , 21070743 , 50782416 , 235643374 , 613050966 , 2743126442
n×2
433955982
n×3
650933973
n×4
867911964
n×5
1084889955
n÷2
108488995.5
n÷3
72325997
n÷3
54244497.75
n÷5
43395598.2
n2
47079448578396081
n3
1.0215204169928E+25
n4
2.2164744784458E+33
n5
4.8092617943595E+41
2 √n
14730.172809577
3 √n
600.90418395672
4 √n
121.3679233141
5 √n
46.481821305024
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-216977990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 216977991 can be divided by 8 positive divisors.
The sum of these divisors (counting 216977991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100111011101101001001000111
3
Ternary
120010021121211220
4
Quaternary
30323231021013
5
Quinary
421021243431
6
Senary
33310331423
8
Octal
1473551107
10
Decimal
216977991
12
Duodecimal
607b9b73
16
Hexadecimal
ceed247
20
Vigesimal
37g24jb
36
Base36
3l6laf
md5
d53e493f1a606a9c4bf7b86d5a85efd5
sha1
e620dc43f48b33912b86fc23eaedf1d835c30cad
sha256
eb053646bbdc26fb375eaedd14c58ae459070c8828ac1aa3bfb6057d46cd3f24
sha512
da41382dd1c1d13eb0ced3455144ed9dc0a7f8a529f295b5eb68a8412472828e5d5c54c273d7f13e0a7f002b2f5a592dc11d3ff190f058d8a6a3484351696c59
ripemd-160
1e400abaf01de61cd367df048aba06af40d3c747
Diameter
433955982
Circumference
1363312925.0325
Area
1.4790444978895E+17
Volume
4.2789347166888E+25
Surface area
5.9161779915579E+17
Circumference
1363312925.0325
Perimeter
867911964
Area
47079448578396081
Diagonal
306853217.60867
Surface area
282476691470376486
Volume
1.0215204169928E+25
Space diagonal
375816904.53622
Perimeter
650933973
Area
2.0385999232527E+16
Altitude
187908452.26811
Surface area
2.0385999232527E+16
Volume
1.2038733566269E+24
Height
102284405.86956