1331566981 is an odd 10-digits composite number following 1331566980
and preceding 1331566982 . In scientific notation, it is written as 1.331566981 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 1328212512 positive integers (up to 1331566981) that are relatively prime to 1331566981.
1331566981 has 4 divisors, whose sum is 1334921452
The reverse of 1331566981 is 1896651331
Previous prime number is 397
Is Prime? no Number parity odd Number length 10 Sum of Digits 43 Digital Root 7
Name
one billion three hundred thirty-one million five hundred sixty-six thousand nine hundred eighty-one
Scientific notation
1.331566981 × 10^9
Engineering notation
1.331566981 × 10^9
Prime Factorization
397 × 3354073
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1331566981 Product of the distinct prime numbers
The prime factorization of 1331566981 is 397 × 3354073.
Since it has a total of 2 prime factors.
4 , 9 , 92 , 90 , 872 , 237 , 9299 , 3485 , 85424 , 22201 , 17759 , 776192 , 1171299 , 9698967 , 77726778 , 15725823 , 849223511 , 683895205 , 5694088922 , 9495351970
n×2
2663133962
n×3
3994700943
n×4
5326267924
n×5
6657834905
n÷2
665783490.5
n÷3
443855660.33333
n÷3
332891745.25
n÷5
266313396.2
n2
1773070624889454361
n3
2.3609622990838E+27
n4
3.1437794408459E+36
n5
4.186152898977E+45
2 √n36490.64237582
3 √n1100.1561709398
4 √n191.02524015381
5 √n66.814789342087
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
-1331566980 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 1331566981 can be divided by 4 positive divisors.
The sum of these divisors (counting 1331566981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010111100001100110000101
3
Ternary
10102210120121111121
4
Quaternary
1033113201212011
5
Quinary
10211340120411
6
Senary
340044033541
8
Octal
11727414605
10
Decimal
1331566981
12
Duodecimal
311b328b1
16
Hexadecimal
4f5e1985
20
Vigesimal
10g25h91
36
Base36
m0s3np
md5
d9df730b0f84056c57c9114d08dde81f
sha1
bfcb0aeeae237abddf7a7e40b9d8bdc0bf926b42
sha256
957345ec59407c42b6a7a5c85f57a048218f0f6ff4a0a3e0af06ac0cc06586d5
sha512
5b0dba543cd395bb59a395d7a21db50b54abdec08070587b5c53a0a1e95ff44b817e9b43f0a02c5835d460381bfea97aad0bd4eec43ffd8fbfc3137695e0b4db
ripemd-160
5257c3d3bf4241ab49b61720a294c0bcb0504ede
Diameter
2663133962
Circumference
8366482090.5447
Area
5.5702656494486E+18
Volume
9.8895757522723E+27
Surface area
2.2281062597794E+19
Circumference
8366482090.5447
Perimeter
5326267924
Area
1773070624889454361
Diagonal
1883120083.7384
Surface area
1.0638423749337E+19
Volume
2.3609622990838E+27
Space diagonal
2306341664.7731
Perimeter
3994700943
Area
7.6776210192911E+17
Altitude
1153170832.3866
Surface area
7.6776210192911E+17
Volume
2.7824207530133E+26
Height
627706694.57947