1297731405 is an odd 10-digits composite number following 1297731404
and preceding 1297731406 . In scientific notation, it is written as 1.297731405 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 692123408 positive integers (up to 1297731405) that are relatively prime to 1297731405.
1297731405 has 8 divisors, whose sum is 2076370272
The reverse of 1297731405 is 5041377921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion two hundred ninety-seven million seven hundred thirty-one thousand four hundred five
Scientific notation
1.297731405 × 10^9
Engineering notation
1.297731405 × 10^9
Prime Factorization
5 × 3 × 86515427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1297731405
Product of the distinct prime numbers
The prime factorization of 1297731405 is 5 × 3 × 86515427.
Since it has a total of 3 prime factors.
4 , 4 , 44 , 11 , 567 , 894 , 2631 , 750 , 46655 , 87414 , 142559 , 412339 , 4010290 , 4057520 , 57615889 , 67654754 , 544718678 , 826374225 , 6951096685 , 105530096
n×2
2595462810
n×3
3893194215
n×4
5190925620
n×5
6488657025
n÷2
648865702.5
n÷3
432577135
n÷3
324432851.25
n÷5
259546281
n2
1684106799523274025
n3
2.1855182831154E+27
n4
2.8362157122005E+36
n5
3.6806462010771E+45
2 √n
36024.039265468
3 √n
1090.7576599686
4 √n
189.79999806498
5 √n
66.471727094577
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
-1297731404
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 1297731405 can be divided by 8 positive divisors.
The sum of these divisors (counting 1297731405) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101010110011100111101001101
3
Ternary
10100102220120211010
4
Quaternary
1031112130331031
5
Quinary
10124204401110
6
Senary
332434515433
8
Octal
11526347515
10
Decimal
1297731405
12
Duodecimal
302735b79
16
Hexadecimal
4d59cf4d
20
Vigesimal
105ag8a5
36
Base36
lgmvyl
md5
516ec6665ff3030d41c7b17b9138f0f4
sha1
1d51d07d5b3c86aa4ed9533a5e6604b003f01c75
sha256
a96cdee518d2b2dd6ef45905226e406c811b03c4b311d2e35081560dd8a2ea8d
sha512
2f96f11703c4bf75d0b9ee280af7b6a489c09842f63c261857653615f5408e0f8d63006df3500f2a36545a7f54d9b8f6fa31368bc07208529eb5ad0149d85658
ripemd-160
407ecf9a262f34c8db174131324a97e47ae0dda0
Diameter
2595462810
Circumference
8153886896.5615
Area
5.2907775492429E+18
Volume
9.1546775766953E+27
Surface area
2.1163110196972E+19
Circumference
8153886896.5615
Perimeter
5190925620
Area
1684106799523274025
Diagonal
1835269353.2685
Surface area
1.010464079714E+19
Volume
2.1855182831154E+27
Space diagonal
2247736728.0377
Perimeter
3893194215
Area
7.2923963553663E+17
Altitude
1123868364.0189
Surface area
7.2923963553663E+17
Volume
2.5756579973301E+26
Height
611756451.0895