216879428 is an even 9-digits composite number following 216879427
and preceding 216879429 . In scientific notation, it is written as 2.16879428 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 108180072 positive integers (up to 216879428) that are relatively prime to 216879428.
216879428 has 12 divisors, whose sum is 380447760
The reverse of 216879428 is 824978612
Previous prime number is 419
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred sixteen million eight hundred seventy-nine thousand four hundred twenty-eight
Scientific notation
2.16879428 × 10^8
Engineering notation
2.16879428 × 10^6
Prime Factorization
2 × 2 × 419 × 129403
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
108439714
Product of the distinct prime numbers
The prime factorization of 216879428 is 2 × 2 × 419 × 129403.
Since it has a total of 4 prime factors.
7 , 7 , 34 , 85 , 507 , 492 , 6659 , 9446 , 3909 , 82694 , 618558 , 559276 , 7713833 , 9869229 , 7839816 , 24193785 , 447002098 , 526271607 , 2776353297 , 9353151676
n×2
433758856
n×3
650638284
n×4
867517712
n×5
1084397140
n÷2
108439714
n÷3
72293142.666667
n÷3
54219857
n÷5
43375885.6
n2
47036686289607184
n3
1.0201289617505E+25
n4
2.2124498571069E+33
n5
4.7983485948803E+41
2 √n
14726.826813676
3 √n
600.81318257745
4 √n
121.35413801629
5 √n
46.477597632011
1 , 2 , 4 , 419 , 838 , 1676 , 129403 , 258806 , 517612 , 54219857 , 108439714 , 216879428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-216879427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 216879428 can be divided by 12 positive divisors.
The sum of these divisors (counting 216879428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100111011010101000101000100
3
Ternary
120010002121122102
4
Quaternary
30323111011010
5
Quinary
421010120203
6
Senary
33304251232
8
Octal
1473250504
10
Decimal
216879428
12
Duodecimal
60770b18
16
Hexadecimal
ced5144
20
Vigesimal
37f9ib8
36
Base36
3l4h8k
md5
c983b81406ca2b7724c66536dfc712e4
sha1
3c7218bcc980f1d8bf9396072046fd70af6eb55c
sha256
7c1cdf5df834313b861b8224d15484b70db260c603b34be1353abec71e6072d2
sha512
d09b82384431058900172f52c1aa7386743ab81df4dbe37446eed2f2115d2529d6c5c37d0b0508254421e5dbe39b0b4735414bc49d1c4299f00a1624e8b47ebe
ripemd-160
888394b0e1d071a8cf0b7b8b99b675bf6524cb66
Diameter
433758856
Circumference
1362693635.4391
Area
1.4777010809664E+17
Volume
4.2731062025996E+25
Surface area
5.9108043238655E+17
Circumference
1362693635.4391
Perimeter
867517712
Area
47036686289607184
Diagonal
306713828.47732
Surface area
282220117737643104
Volume
1.0201289617505E+25
Space diagonal
375646188.41248
Perimeter
650638284
Area
2.036748261832E+16
Altitude
187823094.20624
Surface area
2.036748261832E+16
Volume
1.2022335108977E+24
Height
102237942.82577