1213221491 is an odd 10-digits composite number following 1213221490
and preceding 1213221492 . In scientific notation, it is written as 1.213221491 × 10^9.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 1209345072 positive integers (up to 1213221491) that are relatively prime to 1213221491.
1213221491 has 4 divisors, whose sum is 1217097912
The reverse of 1213221491 is 1941223121
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 26
Digital Root 8
Name
one billion two hundred thirteen million two hundred twenty-one thousand four hundred ninety-one
Scientific notation
1.213221491 × 10^9
Engineering notation
1.213221491 × 10^9
Prime Factorization
313 × 3876107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1213221491
Product of the distinct prime numbers
The prime factorization of 1213221491 is 313 × 3876107.
Since it has a total of 2 prime factors.
2 , 5 , 94 , 8 , 30 , 572 , 4229 , 5918 , 31178 , 17298 , 252520 , 256901 , 6831700 , 5390341 , 37757867 , 3560591 , 893752780 , 726928435 , 7842149598 , 5836713190
n×2
2426442982
n×3
3639664473
n×4
4852885964
n×5
6066107455
n÷2
606610745.5
n÷3
404407163.66667
n÷3
303305372.75
n÷5
242644298.2
n2
1471906386224263081
n3
1.7857484605074E+27
n4
2.1665084098078E+36
n5
2.628454563211E+45
2 √n
34831.32915925
3 √n
1066.5470813962
4 √n
186.63153313213
5 √n
65.582507707114
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1213221490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1213221491 can be divided by 4 positive divisors.
The sum of these divisors (counting 1213221491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000010100000100101001110011
3
Ternary
10010112220001000022
4
Quaternary
1020110010221303
5
Quinary
4441041041431
6
Senary
320215314055
8
Octal
11024045163
10
Decimal
1213221491
12
Duodecimal
29a37b92b
16
Hexadecimal
48504a73
20
Vigesimal
ij2cdeb
36
Base36
k2bjoz
md5
912fc715fb9d787b1ee3a1493479c821
sha1
4c3da19d7630b22f8d7b332790aa5f9f5b8f25d9
sha256
51c424ecf54a76f07d1aedcbc0b98a80dd2c8f790317a66769505b119def41ba
sha512
9dc6406372809d8ed0e68bcaeee30d0e20f5536c0874df2073cbcbf6e22e5deb3472ba294ba2870f6f316fc308a39dee5420e96c8065bbf2d154cbab030004e3
ripemd-160
623b53d4c3fa4327310c490879a8e3894ff75007
Diameter
2426442982
Circumference
7622895446.6057
Area
4.624130289734E+18
Volume
7.4801256595859E+27
Surface area
1.8496521158936E+19
Circumference
7622895446.6057
Perimeter
4852885964
Area
1471906386224263081
Diagonal
1715754286.7347
Surface area
8831438317345578486
Volume
1.7857484605074E+27
Space diagonal
2101361263.2465
Perimeter
3639664473
Area
6.3735416123138E+17
Altitude
1050680631.6232
Surface area
6.3735416123138E+17
Volume
2.1045247431971E+26
Height
571918095.57824