221620121 is an odd 9-digits composite number following 221620120
and preceding 221620122 . In scientific notation, it is written as 2.21620121 × 10^8.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 212409648 positive integers (up to 221620121) that are relatively prime to 221620121.
221620121 has 8 divisors, whose sum is 231009600
The reverse of 221620121 is 121026122
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 17
Digital Root 8
Name
two hundred twenty-one million six hundred twenty thousand one hundred twenty-one
Scientific notation
2.21620121 × 10^8
Engineering notation
2.21620121 × 10^6
Prime Factorization
37 × 67 × 89399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221620121
Product of the distinct prime numbers
The prime factorization of 221620121 is 37 × 67 × 89399.
Since it has a total of 3 prime factors.
2 , 1 , 51 , 25 , 426 , 982 , 8027 , 788 , 95955 , 27023 , 804206 , 120164 , 64811 , 7864759 , 75580326 , 28340634 , 101523175 , 687492196 , 5938636706 , 9519117714
n×2
443240242
n×3
664860363
n×4
886480484
n×5
1108100605
n÷2
110810060.5
n÷3
73873373.666667
n÷3
55405030.25
n÷5
44324024.2
n2
49115478032054641
n3
1.0884978184437E+25
n4
2.4123301823172E+33
n5
5.346209068971E+41
2 √n
14886.911063078
3 √n
605.15932420247
4 √n
122.01193000309
5 √n
46.679031590128
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
-221620120
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 221620121 can be divided by 8 positive divisors.
The sum of these divisors (counting 221620121) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101011010011110011001
3
Ternary
120110000110122122
4
Quaternary
31031122132121
5
Quinary
423213320441
6
Senary
33554031025
8
Octal
1515323631
10
Decimal
221620121
12
Duodecimal
62278475
16
Hexadecimal
d35a799
20
Vigesimal
3952a61
36
Base36
3ny36h
md5
841aee14f2c98fd0954fe857627085ef
sha1
6d65c501088d0b57a9039224a2e80892b10878b1
sha256
62e7c987914304c4a6e80c92d7e93db8bc6ceb4d308934bcdd719d6c0d80167f
sha512
80f9749c2118a49653bb12389d890f53812d94f404d5ba8e3edb9d9f648c21af1ebc3e56e004c48d887c0352f2bc7027490c2293b37df46c8a7b68e48c34cc4f
ripemd-160
24af3501662adc0c65b6d50176fcdd937774fa4b
Diameter
443240242
Circumference
1392480288.0426
Area
1.5430082496305E+17
Volume
4.5594889998282E+25
Surface area
6.1720329985221E+17
Circumference
1392480288.0426
Perimeter
886480484
Area
49115478032054641
Diagonal
313418180.81297
Surface area
294692868192327846
Volume
1.0884978184437E+25
Space diagonal
383857309.55156
Perimeter
664860363
Area
2.1267625847388E+16
Altitude
191928654.77578
Surface area
2.1267625847388E+16
Volume
1.2828069812138E+24
Height
104472726.93766