1291255292 is an even 10-digits composite number following 1291255291
and preceding 1291255293 . In scientific notation, it is written as 1.291255292 × 10^9.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 641515056 positive integers (up to 1291255292) that are relatively prime to 1291255292.
1291255292 has 12 divisors, whose sum is 2274090840
The reverse of 1291255292 is 2925521921
Previous prime number is 157
Is Prime? no Number parity even Number length 10 Sum of Digits 38 Digital Root 2
Name
one billion two hundred ninety-one million two hundred fifty-five thousand two hundred ninety-two
Scientific notation
1.291255292 × 10^9
Engineering notation
1.291255292 × 10^9
Prime Factorization
2 × 2 × 157 × 2056139
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
645627646 Product of the distinct prime numbers
The prime factorization of 1291255292 is 2 × 2 × 157 × 2056139.
Since it has a total of 4 prime factors.
7 , 10 , 27 , 18 , 819 , 197 , 1766 , 5807 , 72952 , 37320 , 565745 , 535234 , 6840736 , 1247041 , 8501364 , 26861768 , 974385282 , 996754109 , 9037814626 , 2608026279
n×2
2582510584
n×3
3873765876
n×4
5165021168
n×5
6456276460
n÷2
645627646
n÷3
430418430.66667
n÷3
322813823
n÷5
258251058.4
n2
1667340229118005264
n3
2.1529618944131E+27
n4
2.7800234396353E+36
n5
3.5897199783131E+45
2 √n35934.040852651
3 √n1088.940218425
4 √n189.56276230487
5 √n66.405251044351
1 , 2 , 4 , 157 , 314 , 628 , 2056139 , 4112278 , 8224556 , 322813823 , 645627646 , 1291255292
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
-1291255291 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 1291255292 can be divided by 12 positive divisors.
The sum of these divisors (counting 1291255292) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111101101111110111111100
3
Ternary
10022222201120021002
4
Quaternary
1030331233313330
5
Quinary
10121030132132
6
Senary
332044025432
8
Octal
11475576774
10
Decimal
1291255292
12
Duodecimal
300532278
16
Hexadecimal
4cf6fdfc
20
Vigesimal
103a6i4c
36
Base36
lcs2yk
md5
7e229f07ecb62ad0044732bef70f0810
sha1
f0f79b41b5ee01cbc4cbd3531606f300412540d9
sha256
ef2f02bff8d8cbaeef9bac2877f7bae350ec215dd104d1efe3de0d7cc10ce4c1
sha512
1f0fb12222c44649035a5cb9f3514ad3ee2444a60718e979a235ac1f235bf52afcbf12de4174c4e1fa08a758e7e3dc7352832da9f07fe8cb25ac907d9f149cd2
ripemd-160
443d6985ac0f8af1a73836f9a013fe02b4be83c9
Diameter
2582510584
Circumference
8113196278.5123
Area
5.2381038148318E+18
Volume
9.018305694596E+27
Surface area
2.0952415259327E+19
Circumference
8113196278.5123
Perimeter
5165021168
Area
1667340229118005264
Diagonal
1826110746.4324
Surface area
1.0004041374708E+19
Volume
2.1529618944131E+27
Space diagonal
2236519771.2862
Perimeter
3873765876
Area
7.2197949758398E+17
Altitude
1118259885.6431
Surface area
7.2197949758398E+17
Volume
2.5372899252929E+26
Height
608703582.14414