1291402261 is an odd 10-digits composite number following 1291402260
and preceding 1291402262 . In scientific notation, it is written as 1.291402261 × 10^9.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 1278616000 positive integers (up to 1291402261) that are relatively prime to 1291402261.
1291402261 has 4 divisors, whose sum is 1304188524
The reverse of 1291402261 is 1622041921
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 28
Digital Root 1
Name
one billion two hundred ninety-one million four hundred two thousand two hundred sixty-one
Scientific notation
1.291402261 × 10^9
Engineering notation
1.291402261 × 10^9
Prime Factorization
101 × 12786161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1291402261
Product of the distinct prime numbers
The prime factorization of 1291402261 is 101 × 12786161.
Since it has a total of 2 prime factors.
3 , 5 , 98 , 26 , 424 , 460 , 2330 , 4628 , 33397 , 38049 , 780064 , 991240 , 2669508 , 6817251 , 21793112 , 38771828 , 753695171 , 62339869 , 6535974507 , 2838507196
n×2
2582804522
n×3
3874206783
n×4
5165609044
n×5
6457011305
n÷2
645701130.5
n÷3
430467420.33333
n÷3
322850565.25
n÷5
258280452.2
n2
1667719799715912121
n3
2.1536971200676E+27
n4
2.7812893303645E+36
n5
3.5917633297279E+45
2 √n
35936.085777391
3 √n
1088.9815307781
4 √n
189.5681560215
5 √n
66.406762607417
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
-1291402260
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 1291402261 can be divided by 4 positive divisors.
The sum of these divisors (counting 1291402261) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111110010011110000010101
3
Ternary
10100000000000212101
4
Quaternary
1030332103300111
5
Quinary
10121044333021
6
Senary
332051122101
8
Octal
11476236025
10
Decimal
1291402261
12
Duodecimal
3005a3331
16
Hexadecimal
4cf93c15
20
Vigesimal
103b55d1
36
Base36
lcv8d1
md5
4d3135ae689ad02df9163fd1baf542de
sha1
eec58a65cc70f27792ba553e6aa1e0ffce05606b
sha256
62778cb0361649e352b693f33eae45bfb7b1d8d8b987ecc35f32aaf318d48b7d
sha512
6f143103778d45a5086b78f5a7a163ff36d5ad3897424d8394632d6cc80c29f0513c9aab63bb59d3966eec63d3242f77c7d0e0e3686a64de0477933673cdb799
ripemd-160
8f53276277a89570c1c0f14d8ce91f192b1393dd
Diameter
2582804522
Circumference
8114119711.9737
Area
5.2392962710338E+18
Volume
9.0213854006158E+27
Surface area
2.0957185084135E+19
Circumference
8114119711.9737
Perimeter
5165609044
Area
1667719799715912121
Diagonal
1826318591.9855
Surface area
1.0006318798295E+19
Volume
2.1536971200676E+27
Space diagonal
2236774329.0613
Perimeter
3874206783
Area
7.2214385647414E+17
Altitude
1118387164.5307
Surface area
7.2214385647414E+17
Volume
2.5381563970362E+26
Height
608772863.99516