1261291252 is an even 10-digits composite number following 1261291251
and preceding 1261291253 . In scientific notation, it is written as 1.261291252 × 10^9.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 582134400 positive integers (up to 1261291252) that are relatively prime to 1261291252.
1261291252 has 12 divisors, whose sum is 2377048996
The reverse of 1261291252 is 2521921621
Previous prime number is 13
Is Prime? no
Number parity even
Number length 10
Sum of Digits 31
Digital Root 4
Name
one billion two hundred sixty-one million two hundred ninety-one thousand two hundred fifty-two
Scientific notation
1.261291252 × 10^9
Engineering notation
1.261291252 × 10^9
Prime Factorization
2 × 2 × 13 × 24255601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
630645626
Product of the distinct prime numbers
The prime factorization of 1261291252 is 2 × 2 × 13 × 24255601.
Since it has a total of 4 prime factors.
10 , 6 , 60 , 86 , 762 , 195 , 2391 , 6819 , 40929 , 38099 , 693872 , 332799 , 2897652 , 9144896 , 11002619 , 41687672 , 744864262 , 287163917 , 6336089565 , 260317042
n×2
2522582504
n×3
3783873756
n×4
5045165008
n×5
6306456260
n÷2
630645626
n÷3
420430417.33333
n÷3
315322813
n÷5
252258250.4
n2
1590855622371727504
n3
2.0065322796925E+27
n4
2.5308216112317E+36
n5
3.1921031586191E+45
2 √n
35514.662493117
3 √n
1080.4511295468
4 √n
188.45334301391
5 √n
66.094158367165
1 , 2 , 4 , 13 , 26 , 52 , 24255601 , 48511202 , 97022404 , 315322813 , 630645626 , 1261291252
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1261291251
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1261291252 can be divided by 12 positive divisors.
The sum of these divisors (counting 1261291252) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011001011011100011011110100
3
Ternary
10020220100020022211
4
Quaternary
1023023130123310
5
Quinary
10040342310002
6
Senary
325053503204
8
Octal
11313343364
10
Decimal
1261291252
12
Duodecimal
2b24a1b04
16
Hexadecimal
4b2dc6f4
20
Vigesimal
je3182c
36
Base36
kuxuk4
md5
c18d7a74d6c3920b34888209357e0a2c
sha1
ac7e2db838bf652d3815d5a29c368f2dbb3b6ec7
sha256
97a2b460a1786f815a3261a1ba206a41b9d98c4c0d2953b1f02ac127df9ac004
sha512
a336c2933e46852e1ee86fb8c4d0e498e76ec97d6cf0b426c294d53950452f19cf5103823fa19c18b4ede18ba26b378fbe5ece548b51f4403c6e25ce67334719
ripemd-160
06e246c9d241fcf8810d8e981c702ac6f8b1d291
Diameter
2522582504
Circumference
7924926662.6405
Area
4.997820336165E+18
Volume
8.4049427587635E+27
Surface area
1.999128134466E+19
Circumference
7924926662.6405
Perimeter
5045165008
Area
1590855622371727504
Diagonal
1783735194.6809
Surface area
9.5451337342304E+18
Volume
2.0065322796925E+27
Space diagonal
2184620531.6062
Perimeter
3783873756
Area
6.8886069136361E+17
Altitude
1092310265.8031
Surface area
6.8886069136361E+17
Volume
2.3647209694004E+26
Height
594578398.22698