1291738125 is an odd 10-digits composite number following 1291738124
and preceding 1291738126 . In scientific notation, it is written as 1.291738125 × 10^9.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 687240000 positive integers (up to 1291738125) that are relatively prime to 1291738125.
1291738125 has 24 divisors, whose sum is 1798364064
The reverse of 1291738125 is 5218371921
Previous prime number is 997
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion two hundred ninety-one million seven hundred thirty-eight thousand one hundred twenty-five
Scientific notation
1.291738125 × 10^9
Engineering notation
1.291738125 × 10^9
Prime Factorization
3 × 25 × 25 × 997 × 691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
51669525
Product of the distinct prime numbers
The prime factorization of 1291738125 is 3 × 25 × 25 × 997 × 691.
Since it has a total of 5 prime factors.
8 , 9 , 100 , 75 , 81 , 941 , 4556 , 7554 , 85138 , 1338 , 852605 , 220737 , 3095026 , 3013069 , 48250972 , 75082124 , 994109044 , 366434737 , 1186843353 , 6933348622
n×2
2583476250
n×3
3875214375
n×4
5166952500
n×5
6458690625
n÷2
645869062.5
n÷3
430579375
n÷3
322934531.25
n÷5
258347625
n2
1668587383578515625
n3
2.1553779382624E+27
n4
2.7841838566374E+36
n5
3.5964364346281E+45
2 √n
35940.758547922
3 √n
1089.0759289375
4 √n
189.58048039796
5 √n
66.410216422187
1 , 3 , 25 , 75 , 625 , 691 , 997 , 1875 , 2073 , 2991 , 17275 , 24925 , 51825 , 74775 , 431875 , 623125 , 688927 , 1295625 , 1869375 , 2066781 , 17223175 , 51669525 , 430579375 , 1291738125
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291738124
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291738125 can be divided by 24 positive divisors.
The sum of these divisors (counting 1291738125) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111111100101110000001101
3
Ternary
10100000122002120210
4
Quaternary
1030333211300031
5
Quinary
10121141110000
6
Senary
332102233033
8
Octal
11477456015
10
Decimal
1291738125
12
Duodecimal
300725779
16
Hexadecimal
4cfe5c0d
20
Vigesimal
103d7565
36
Base36
ld2fil
md5
9066fbcf2d485c984ef4530eef34b271
sha1
e48cd96c064aaf5e745ced137796fb9bce942b8e
sha256
69a04fe429607c2b9f242ce09754bf6adb7519f5c81213c8198aea8f49e73aed
sha512
77858d74fc217dc3233438abf4c9a427c623042ee861643d1ea596178eeb31fd71b28481c7808b46cdc099a03ecc58518d44feeb1e4a04fd041dc856a129c494
ripemd-160
d563d815a1b981467403a468950a728b548daa29
Diameter
2583476250
Circumference
8116230007.7237
Area
5.2420218661229E+18
Volume
9.0284259954061E+27
Surface area
2.0968087464492E+19
Circumference
8116230007.7237
Perimeter
5166952500
Area
1668587383578515625
Diagonal
1826793575.4094
Surface area
1.0011524301471E+19
Volume
2.1553779382624E+27
Space diagonal
2237356062.5738
Perimeter
3875214375
Area
7.225195313066E+17
Altitude
1118678031.2869
Surface area
7.225195313066E+17
Volume
2.5401372602753E+26
Height
608931191.80313