217339987 is an odd 9-digits composite number following 217339986
and preceding 217339988 . In scientific notation, it is written as 2.17339987 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 216823320 positive integers (up to 217339987) that are relatively prime to 217339987.
217339987 has 4 divisors, whose sum is 217856656
The reverse of 217339987 is 789933712
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
two hundred seventeen million three hundred thirty-nine thousand nine hundred eighty-seven
Scientific notation
2.17339987 × 10^8
Engineering notation
2.17339987 × 10^6
Prime Factorization
421 × 516247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
217339987
Product of the distinct prime numbers
The prime factorization of 217339987 is 421 × 516247.
Since it has a total of 2 prime factors.
6 , 10 , 92 , 20 , 332 , 713 , 8060 , 2402 , 33208 , 91537 , 855501 , 649640 , 4212844 , 5457920 , 1501710 , 50791072 , 629565448 , 760086442 , 7849668980 , 3863210217
n×2
434679974
n×3
652019961
n×4
869359948
n×5
1086699935
n÷2
108669993.5
n÷3
72446662.333333
n÷3
54334996.75
n÷5
43467997.4
n2
47236669949160169
n3
1.0266417232674E+25
n4
2.2313029878859E+33
n5
4.8495136238018E+41
2 √n
14742.455256842
3 √n
601.23817183031
4 √n
121.41851282586
5 √n
46.49732058741
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
-217339986
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 217339987 can be divided by 4 positive divisors.
The sum of these divisors (counting 217339987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100111101000101100001010011
3
Ternary
120010222000102011
4
Quaternary
30331011201103
5
Quinary
421114334422
6
Senary
33322203351
8
Octal
1475054123
10
Decimal
217339987
12
Duodecimal
60953557
16
Hexadecimal
cf45853
20
Vigesimal
37i79j7
36
Base36
3leclv
md5
5edfbd84ad06c41d8f5d46855ac88e43
sha1
7b70f4abaa0392bfead13f02d19b24d6f070e74d
sha256
137585a70c41fd1033c1a8eb816d555d399ec3fafc6806c02e26f8a70a2c3ae4
sha512
72aa4da8cc60bec48a75c34acdedcc09374362efeac615c638c9ac4f33be265559db44dd04577ea2d53169e09148e69ed7e4b065fc8fbfe93f25e7478537e42a
ripemd-160
bdbf12cd41dc774a94c96088e3b659a88922c150
Diameter
434679974
Circumference
1365587412.981
Area
1.4839837529233E+17
Volume
4.3003867942474E+25
Surface area
5.9359350116931E+17
Circumference
1365587412.981
Perimeter
869359948
Area
47236669949160169
Diagonal
307365157.26139
Surface area
283420019694961014
Volume
1.0266417232674E+25
Space diagonal
376443900.00036
Perimeter
652019961
Area
2.0454078083077E+16
Altitude
188221950.00018
Surface area
2.0454078083077E+16
Volume
1.2099088739523E+24
Height
102455052.42046