221746987 is an odd 9-digits composite number following 221746986
and preceding 221746988 . In scientific notation, it is written as 2.21746987 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 166538400 positive integers (up to 221746987) that are relatively prime to 221746987.
221746987 has 16 divisors, whose sum is 246343680
The reverse of 221746987 is 789647122
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred twenty-one million seven hundred forty-six thousand nine hundred eighty-seven
Scientific notation
2.21746987 × 10^8
Engineering notation
2.21746987 × 10^6
Prime Factorization
11 × 329 × 71 × 863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221746987
Product of the distinct prime numbers
The prime factorization of 221746987 is 11 × 329 × 71 × 863.
Since it has a total of 4 prime factors.
9 , 6 , 83 , 62 , 656 , 86 , 3942 , 3098 , 67006 , 8319 , 65633 , 473562 , 530206 , 7835156 , 12801106 , 78243039 , 671669399 , 231929759 , 5237083417 , 4622513835
n×2
443493974
n×3
665240961
n×4
886987948
n×5
1108734935
n÷2
110873493.5
n÷3
73915662.333333
n÷3
55436746.75
n÷5
44349397.4
n2
49171726243578169
n3
1.0903682140102E+25
n4
2.4178586617734E+33
n5
5.361528732401E+41
2 √n
14891.171444853
3 √n
605.27477626131
4 √n
122.02938762795
5 √n
46.684374630687
1 , 11 , 71 , 329 , 781 , 863 , 3619 , 9493 , 23359 , 61273 , 256949 , 283927 , 674003 , 3123197 , 20158817 , 221746987
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
-221746986
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 221746987 can be divided by 16 positive divisors.
The sum of these divisors (counting 221746987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101111001011100101011
3
Ternary
120110020220200101
4
Quaternary
31031321130223
5
Quinary
423231400422
6
Senary
34000450231
8
Octal
1515713453
10
Decimal
221746987
12
Duodecimal
62319977
16
Hexadecimal
d37972b
20
Vigesimal
395i797
36
Base36
3o0t2j
md5
9ca28f6df68b527a3dc8fa1fbe009adf
sha1
78bd25d2ff12736902fab92ac17aa0e8b0dccaf3
sha256
bab254fd6cfab0d2e42e0126f9646eca44f5553e764a18b1c23ac2088bd9bf7a
sha512
344ef80edcd2fad8cacbd0e25292a67ece49d25f2a318b7bf678b19a6c07188becbd2d687bda4e1e0968e202adf61138b5b23678242a145de375e9aa05241de0
ripemd-160
79e2936c4ee342e72f4a035f84e757e765bb2faf
Diameter
443493974
Circumference
1393277410.6297
Area
1.5447753393115E+17
Volume
4.5673236944565E+25
Surface area
6.1791013572461E+17
Circumference
1393277410.6297
Perimeter
886987948
Area
49171726243578169
Diagonal
313597596.43077
Surface area
295030357461469014
Volume
1.0903682140102E+25
Space diagonal
384077047.90932
Perimeter
665240961
Area
2.1291982037436E+16
Altitude
192038523.95466
Surface area
2.1291982037436E+16
Volume
1.2850112635282E+24
Height
104532532.14359