221273281 is an odd 9-digits prime number following 221273280
and preceding 221273282 . In scientific notation, it is written as 2.21273281 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 221273280 positive integers (up to 221273281) that are relatively prime to 221273281.
221273281 has 2 divisors, whose sum is 221273282
The reverse of 221273281 is 182372122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred twenty-one million two hundred seventy-three thousand two hundred eighty-one
Scientific notation
2.21273281 × 10^8
Engineering notation
2.21273281 × 10^6
Prime Factorization
221273281
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221273281
Product of the distinct prime numbers
The prime factorization of 221273281 is 221273281.
Since it has a total of 1 prime factors.
6 , 10 , 89 , 71 , 597 , 334 , 1744 , 9640 , 83720 , 31748 , 865570 , 649882 , 2394749 , 9515710 , 43127510 , 13322476 , 781517503 , 401697930 , 4134779372 , 7004322149
n×2
442546562
n×3
663819843
n×4
885093124
n×5
1106366405
n÷2
110636640.5
n÷3
73757760.333333
n÷3
55318320.25
n÷5
44254656.2
n2
48961864884504961
n3
1.0833952486873E+25
n4
2.3972642129685E+33
n5
5.3045051782743E+41
2 √n
14875.257342312
3 √n
604.84346381608
4 √n
121.96416417256
5 √n
46.664411708196
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221273282
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110636641
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14875.257375925
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909614
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221273281 can be divided by 2 positive divisors.
The sum of these divisors (counting 221273281) is 221273282, the average is 110636641.
Base
System
Value
2
Binary
1101001100000101110011000001
3
Ternary
120102100211212201
4
Quaternary
31030011303001
5
Quinary
423121221111
6
Senary
33542353201
8
Octal
1514056301
10
Decimal
221273281
12
Duodecimal
6212b801
16
Hexadecimal
d305cc1
20
Vigesimal
392j341
36
Base36
3nqnk1
md5
f4f989489096be4d1c73f088ddd87440
sha1
9a71b3d89b17301ae49655b957dd55f64411a57d
sha256
828fcd696a23af3d112fca46489c1f74f23117ea974e2ea7a2e803caee370139
sha512
2afe0c82c80fa30a5c9998b52b4767639a1714378eea6d22a96a4dadb8ed87b7abe8c5c20593973bfc1cb4b256a8b83df242d867f21f8c2f54e7a7fcf1c4dbe2
ripemd-160
0b3b70020a6ca0a08e5128fb1f92f361448348d7
Diameter
442546562
Circumference
1390301028.0506
Area
1.5381823502722E+17
Volume
4.5381154056135E+25
Surface area
6.1527294010887E+17
Circumference
1390301028.0506
Perimeter
885093124
Area
48961864884504961
Diagonal
312927674.98099
Surface area
293771189307029766
Volume
1.0833952486873E+25
Space diagonal
383256565.04947
Perimeter
663819843
Area
2.1201109403321E+16
Altitude
191628282.52473
Surface area
2.1201109403321E+16
Volume
1.2767935450868E+24
Height
104309224.99366