1221452009 is an odd 10-digits composite number following 1221452008
and preceding 1221452010 . In scientific notation, it is written as 1.221452009 × 10^9.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 1202515776 positive integers (up to 1221452009) that are relatively prime to 1221452009.
1221452009 has 8 divisors, whose sum is 1240409760
The reverse of 1221452009 is 9002541221
Previous prime number is 2129
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 26
Digital Root 8
Name
one billion two hundred twenty-one million four hundred fifty-two thousand nine
Scientific notation
1.221452009 × 10^9
Engineering notation
1.221452009 × 10^9
Prime Factorization
67 × 2129 × 8563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1221452009
Product of the distinct prime numbers
The prime factorization of 1221452009 is 67 × 2129 × 8563.
Since it has a total of 3 prime factors.
7 , 2 , 33 , 52 , 213 , 489 , 9863 , 8278 , 85960 , 14835 , 609564 , 736068 , 8548210 , 5843362 , 25141216 , 5538496 , 399566392 , 138026449 , 5611744395 , 8360642401
n×2
2442904018
n×3
3664356027
n×4
4885808036
n×5
6107260045
n÷2
610726004.5
n÷3
407150669.66667
n÷3
305363002.25
n÷5
244290401.8
n2
1491945010290136081
n3
1.8223392301364E+27
n4
2.2258999137296E+36
n5
2.718829921458E+45
2 √n
34949.277660633
3 √n
1068.9534732278
4 √n
186.94725903482
5 √n
65.671249820956
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
-1221452008
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 1221452009 can be divided by 8 positive divisors.
The sum of these divisors (counting 1221452009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000110011011110000011101001
3
Ternary
10011010101012011022
4
Quaternary
1020303132003221
5
Quinary
10000142431014
6
Senary
321111542225
8
Octal
11063360351
10
Decimal
1221452009
12
Duodecimal
2a108a975
16
Hexadecimal
48cde0e9
20
Vigesimal
j1e1a09
36
Base36
k77yeh
md5
c3b32e2030a1a055915ae0b54c602593
sha1
ad8696b52c69e7ee1ed05307efb5dc8faf3d8c7e
sha256
13c2feb385a57d3bffd6832b48aed6fa7a028841cd5fff8eb4bad0179a8e8c20
sha512
8138b40aea1918c7bac61bc21dab028a1da2c8ad8cb0ccf7a88560777d34b4254feb025a690abb5c6050da0b7c68ec969109fb45f42147041662f4ff84a02421
ripemd-160
b216ccce2ebc77d6954fe08c6a5f47c0aa2f452a
Diameter
2442904018
Circumference
7674609316.3738
Area
4.6870834838874E+18
Volume
7.6333967169934E+27
Surface area
1.874833393555E+19
Circumference
7674609316.3738
Perimeter
4885808036
Area
1491945010290136081
Diagonal
1727393996.9157
Surface area
8951670061740816486
Volume
1.8223392301364E+27
Space diagonal
2115616938.5951
Perimeter
3664356027
Area
6.4603113998035E+17
Altitude
1057808469.2975
Surface area
6.4603113998035E+17
Volume
2.1476473787529E+26
Height
575797998.97189