216912087 is an odd 9-digits composite number following 216912086
and preceding 216912088 . In scientific notation, it is written as 2.16912087 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 123136848 positive integers (up to 216912087) that are relatively prime to 216912087.
216912087 has 16 divisors, whose sum is 246446080
The reverse of 216912087 is 780219612
Previous prime number is 2347
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred sixteen million nine hundred twelve thousand eighty-seven
Scientific notation
2.16912087 × 10^8
Engineering notation
2.16912087 × 10^6
Prime Factorization
63 × 9 × 2347 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
216912087
Product of the distinct prime numbers
The prime factorization of 216912087 is 63 × 9 × 2347 × 163.
Since it has a total of 4 prime factors.
6 , 1 , 71 , 56 , 900 , 509 , 4406 , 2646 , 14675 , 78308 , 784944 , 525875 , 9450827 , 90659 , 85130172 , 25603441 , 623878348 , 939866309 , 2694542176 , 7718066437
n×2
433824174
n×3
650736261
n×4
867648348
n×5
1084560435
n÷2
108456043.5
n÷3
72304029
n÷3
54228021.75
n÷5
43382417.4
n2
47050853486695569
n3
1.020589882493E+25
n4
2.2137828138265E+33
n5
4.8019625031184E+41
2 √n
14727.935598719
3 √n
600.84333907663
4 √n
121.3587063161
5 √n
46.47899732257
1 , 9 , 63 , 163 , 567 , 1467 , 2347 , 10269 , 21123 , 92421 , 147861 , 382561 , 1330749 , 3443049 , 24101343 , 216912087
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-216912086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 216912087 can be divided by 16 positive divisors.
The sum of these divisors (counting 216912087) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100111011011101000011010111
3
Ternary
120010011021110000
4
Quaternary
30323131003113
5
Quinary
421012141322
6
Senary
33305102343
8
Octal
1473350327
10
Decimal
216912087
12
Duodecimal
607879b3
16
Hexadecimal
cedd0d7
20
Vigesimal
37fe047
36
Base36
3l56fr
md5
74356313c3727a248dbbb6e47fdc8b5b
sha1
f4170bf78bda2958860d366200722733e392105b
sha256
8f9beeb249df480cb9aec6e993d0b14259b523b8672df032e32f43123a51640c
sha512
0fc399854c6dba8cc7d152f6358df605d66eb7e0a3811b6610e299a6ef4eb887c1b075f7335d3d40fe33ec55279692be142e2171353d293dce3eaa78ee5859e2
ripemd-160
dc8ab4023ee431a53d9c8fe8931d6b8893e72b91
Diameter
433824174
Circumference
1362898837.9881
Area
1.4781461565893E+17
Volume
4.2750369028909E+25
Surface area
5.9125846263573E+17
Circumference
1362898837.9881
Perimeter
867648348
Area
47050853486695569
Diagonal
306760015.27805
Surface area
282305120920173414
Volume
1.020589882493E+25
Space diagonal
375702755.4598
Perimeter
650736261
Area
2.0373617194609E+16
Altitude
187851377.7299
Surface area
2.0373617194609E+16
Volume
1.202776711202E+24
Height
102253338.42602