221489491 is an odd 9-digits composite number following 221489490
and preceding 221489492 . In scientific notation, it is written as 2.21489491 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 217039680 positive integers (up to 221489491) that are relatively prime to 221489491.
221489491 has 8 divisors, whose sum is 225949824
The reverse of 221489491 is 194984122
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred twenty-one million four hundred eighty-nine thousand four hundred ninety-one
Scientific notation
2.21489491 × 10^8
Engineering notation
2.21489491 × 10^6
Prime Factorization
53 × 991 × 4217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221489491
Product of the distinct prime numbers
The prime factorization of 221489491 is 53 × 991 × 4217.
Since it has a total of 3 prime factors.
1 , 9 , 65 , 32 , 701 , 847 , 4222 , 8883 , 10000 , 51622 , 728563 , 773035 , 9769832 , 5949804 , 8387836 , 18977985 , 629377381 , 611316363 , 5533264873 , 3263455517
n×2
442978982
n×3
664468473
n×4
885957964
n×5
1107447455
n÷2
110744745.5
n÷3
73829830.333333
n÷3
55372372.75
n÷5
44297898.2
n2
49057594623439081
n3
1.086574166283E+25
n4
2.4066475902377E+33
n5
5.3304714977812E+41
2 √n
14882.52300519
3 √n
605.04040073534
4 √n
121.9939465924
5 √n
46.67352746889
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221489490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221489491 can be divided by 8 positive divisors.
The sum of these divisors (counting 221489491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100111010100101010011
3
Ternary
120102202211110111
4
Quaternary
31030322211103
5
Quinary
423200130431
6
Senary
33551142151
8
Octal
1514724523
10
Decimal
221489491
12
Duodecimal
62214957
16
Hexadecimal
d33a953
20
Vigesimal
39463eb
36
Base36
3nvadv
md5
ed42333308f6fa6daeedb91ecd20ce81
sha1
fc8b49fdbdc066503585654ef9955cd2fa8eee24
sha256
d55cee1563b6331c638d873a99b7f23fd221160f293a0d1da84b4999716fe7e4
sha512
9c1f8ed4ad0be323df5b055326db99bf962ad7cabb003d56bd07b3f522e69c13f7e9670c69610640af313b456ff6fb671a0c5891d460b8665346c8932651db25
ripemd-160
24f6f7366ef1416fd5a20651ae99071755fa5ea2
Diameter
442978982
Circumference
1391659515.5459
Area
1.5411897887178E+17
Volume
4.5514312245001E+25
Surface area
6.1647591548713E+17
Circumference
1391659515.5459
Perimeter
885957964
Area
49057594623439081
Diagonal
313233442.09531
Surface area
294345567740634486
Volume
1.086574166283E+25
Space diagonal
383631051.75457
Perimeter
664468473
Area
2.1242561596229E+16
Altitude
191815525.87728
Surface area
2.1242561596229E+16
Volume
1.2805399354014E+24
Height
104411147.3651