217996947 is an odd 9-digits composite number following 217996946
and preceding 217996948 . In scientific notation, it is written as 2.17996947 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 124291584 positive integers (up to 217996947) that are relatively prime to 217996947.
217996947 has 16 divisors, whose sum is 258944000
The reverse of 217996947 is 749699712
Previous prime number is 577
Is Prime? no Number parity odd Number length 9 Sum of Digits 54 Digital Root 9
Name
two hundred seventeen million nine hundred ninety-six thousand nine hundred forty-seven
Scientific notation
2.17996947 × 10^8
Engineering notation
2.17996947 × 10^6
Prime Factorization
27 × 7 × 577 × 1999
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
217996947 Product of the distinct prime numbers
The prime factorization of 217996947 is 27 × 7 × 577 × 1999.
Since it has a total of 4 prime factors.
7 , 6 , 13 , 97 , 126 , 116 , 5247 , 758 , 80888 , 87956 , 936449 , 756291 , 8546753 , 1383391 , 16050601 , 58008948 , 888122164 , 981676581 , 4912969225 , 9986850177
n×2
435993894
n×3
653990841
n×4
871987788
n×5
1089984735
n÷2
108998473.5
n÷3
72665649
n÷3
54499236.75
n÷5
43599389.4
n2
47522668901320809
n3
1.035979673378E+25
n4
2.2584040595046E+33
n5
4.923251900644E+41
2 √n14764.719672246
3 √n601.84335593184
4 √n121.51016283524
5 √n46.525396426573
1 , 7 , 27 , 189 , 577 , 1999 , 4039 , 13993 , 15579 , 53973 , 109053 , 377811 , 1153423 , 8073961 , 31142421 , 217996947
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
-217996946 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 217996947 can be divided by 16 positive divisors.
The sum of these divisors (counting 217996947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100111111100101111010010011
3
Ternary
120012012101121000
4
Quaternary
30333211322103
5
Quinary
421301400242
6
Senary
33344233043
8
Octal
1477457223
10
Decimal
217996947
12
Duodecimal
6100b783
16
Hexadecimal
cfe5e93
20
Vigesimal
3829c77
36
Base36
3lsfir
md5
13fbfb27467a12dc0c0419e86cd34d8c
sha1
c7005c80f0a323cf4a7bd4b8d9c9e80c635a89dc
sha256
c7b179a50d3ec3ae6fcb6a48c993d415dd3e996a000d320040bb1cfdf5a2ed6f
sha512
08cb78ec2cd0df15ae29c210f16ce4d8b6bf2a0c991c8650114df4d0a87d01ed2ea2ce671c6f097eb2e5ce747e30a432bae2e05778b1a8f27bbf705589e6f670
ripemd-160
05c9b6de12adabd3eace28a06a60e1686410b94d
Diameter
435993894
Circumference
1369715214.4004
Area
1.4929686749937E+17
Volume
4.3395015082035E+25
Surface area
5.9718746999748E+17
Circumference
1369715214.4004
Perimeter
871987788
Area
47522668901320809
Diagonal
308294239.00333
Surface area
285136013407924854
Volume
1.035979673378E+25
Space diagonal
377581788.0989
Perimeter
653990841
Area
2.057791926209E+16
Altitude
188790894.04945
Surface area
2.057791926209E+16
Volume
1.220913753695E+24
Height
102764746.33444