1231125881 is an odd 10-digits composite number following 1231125880
and preceding 1231125882 . In scientific notation, it is written as 1.231125881 × 10^9.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 1161805464 positive integers (up to 1231125881) that are relatively prime to 1231125881.
1231125881 has 12 divisors, whose sum is 1304373312
The reverse of 1231125881 is 1885211321
Previous prime number is 12967
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion two hundred thirty-one million one hundred twenty-five thousand eight hundred eighty-one
Scientific notation
1.231125881 × 10^9
Engineering notation
1.231125881 × 10^9
Prime Factorization
19 × 19 × 12967 × 263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64796099
Product of the distinct prime numbers
The prime factorization of 1231125881 is 19 × 19 × 12967 × 263.
Since it has a total of 4 prime factors.
10 , 10 , 55 , 24 , 617 , 48 , 7733 , 1088 , 16314 , 52692 , 535915 , 790348 , 1502913 , 7697296 , 65929828 , 27742314 , 171003615 , 558361836 , 7049125138 , 1308678820
n×2
2462251762
n×3
3693377643
n×4
4924503524
n×5
6155629405
n÷2
615562940.5
n÷3
410375293.66667
n÷3
307781470.25
n÷5
246225176.2
n2
1515670934868026161
n3
1.8659817149955E+27
n4
2.2972583828037E+36
n5
2.8282142504139E+45
2 √n
35087.403451951
3 √n
1071.7680847282
4 √n
187.31631923554
5 √n
65.774944794115
1 , 19 , 263 , 361 , 4997 , 12967 , 94943 , 246373 , 3410321 , 4681087 , 64796099 , 1231125881
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
-1231125880
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 1231125881 can be divided by 12 positive divisors.
The sum of these divisors (counting 1231125881) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001001011000010111110101111001
3
Ternary
10011210120200012212
4
Quaternary
1021120113311321
5
Quinary
10010132012011
6
Senary
322055144505
8
Octal
11130276571
10
Decimal
1231125881
12
Duodecimal
2a4375135
16
Hexadecimal
49617d79
20
Vigesimal
j4eaee1
36
Base36
kczat5
md5
50c9a54f4dad4aa403cce2d3b4741f1e
sha1
f14a9ccc55bbe3583ac077538d2b27bcfde1c52a
sha256
ae3912a71e71872b05ac48e5cd31ca174dcc07f5e2ff39a3ca16ccc338701827
sha512
bb2f9ceba131e1ecb78ce9ee863db81b1ea981ccb9bde91a2ff9953d49173632c1acf352d47b632c284501d8b587b45bcc9c1936bbb7da427c74e942e78b8aec
ripemd-160
8abc7dc8cbec3cde3b164be2d081563afb78510e
Diameter
2462251762
Circumference
7735392046.7877
Area
4.761620674241E+18
Volume
7.8162059300836E+27
Surface area
1.9046482696964E+19
Circumference
7735392046.7877
Perimeter
4924503524
Area
1515670934868026161
Diagonal
1741074917.8987
Surface area
9094025609208156966
Volume
1.8659817149955E+27
Space diagonal
2132372576.405
Perimeter
3693377643
Area
6.5630476668671E+17
Altitude
1066186288.2025
Surface area
6.5630476668671E+17
Volume
2.1990805404057E+26
Height
580358305.96624