221640997 is an odd 9-digits composite number following 221640996
and preceding 221640998 . In scientific notation, it is written as 2.21640997 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 213635184 positive integers (up to 221640997) that are relatively prime to 221640997.
221640997 has 8 divisors, whose sum is 229672800
The reverse of 221640997 is 799046122
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred twenty-one million six hundred forty thousand nine hundred ninety-seven
Scientific notation
2.21640997 × 10^8
Engineering notation
2.21640997 × 10^6
Prime Factorization
29 × 619 × 12347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221640997
Product of the distinct prime numbers
The prime factorization of 221640997 is 29 × 619 × 12347.
Since it has a total of 3 prime factors.
7 , 5 , 60 , 56 , 864 , 694 , 2099 , 7938 , 72572 , 95799 , 532992 , 133810 , 8023101 , 4210583 , 33161385 , 91119122 , 498846350 , 821043426 , 5348654276 , 7792015282
n×2
443281994
n×3
664922991
n×4
886563988
n×5
1108204985
n÷2
110820498.5
n÷3
73880332.333333
n÷3
55410249.25
n÷5
44328199.4
n2
49124731551154009
n3
1.0888054478355E+25
n4
2.4132392499729E+33
n5
5.3487275336354E+41
2 √n
14887.612199409
3 √n
605.17832504852
4 √n
122.01480319785
5 √n
46.679910964026
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
-221640996
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 221640997 can be divided by 8 positive divisors.
The sum of these divisors (counting 221640997) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101011111100100100101
3
Ternary
120110001112021211
4
Quaternary
31031133210211
5
Quinary
423220002442
6
Senary
33554311421
8
Octal
1515374445
10
Decimal
221640997
12
Duodecimal
62288571
16
Hexadecimal
d35f925
20
Vigesimal
395529h
36
Base36
3nyjad
md5
af6dcd1255fe2ba66f7b92ac2fe32045
sha1
b8116384b6c43f04ded792bfa8759654d696dfee
sha256
39ec8b1a8bfa0aa6718d53f51ee01086443ee81167bfb4b7f6824fb8b8467367
sha512
790733e8d9d46f0a75311653cb8788928c6f95a8de1f800c03e22c7eb5b4f656f9fc4d851f18385dcb8b56d0df90d7f4904e0d5884f772a9d510ce7edad39360
ripemd-160
e215437493c647bf4000e80907e40f4441ac1f05
Diameter
443281994
Circumference
1392611455.819
Area
1.5432989575068E+17
Volume
4.5607775948115E+25
Surface area
6.173195830027E+17
Circumference
1392611455.819
Perimeter
886563988
Area
49124731551154009
Diagonal
313447703.93529
Surface area
294748389306924054
Volume
1.0888054478355E+25
Space diagonal
383893467.84422
Perimeter
664922991
Area
2.1271632738695E+16
Altitude
191946733.92211
Surface area
2.1271632738695E+16
Volume
1.2831695259289E+24
Height
104482567.97843