1293380781 is an odd 10-digits composite number following 1293380780
and preceding 1293380782 . In scientific notation, it is written as 1.293380781 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 642671040 positive integers (up to 1293380781) that are relatively prime to 1293380781.
1293380781 has 8 divisors, whose sum is 1360331544
The reverse of 1293380781 is 1870833921
Previous prime number is 253
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion two hundred ninety-three million three hundred eighty thousand seven hundred eighty-one
Scientific notation
1.293380781 × 10^9
Engineering notation
1.293380781 × 10^9
Prime Factorization
21 × 253 × 243437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1293380781
Product of the distinct prime numbers
The prime factorization of 1293380781 is 21 × 253 × 243437.
Since it has a total of 3 prime factors.
10 , 4 , 89 , 30 , 459 , 722 , 7655 , 1671 , 40996 , 35550 , 788790 , 843756 , 9873576 , 9214542 , 56903708 , 27273619 , 423228287 , 108825969 , 9141161768 , 3784051413
n×2
2586761562
n×3
3880142343
n×4
5173523124
n×5
6466903905
n÷2
646690390.5
n÷3
431126927
n÷3
323345195.25
n÷5
258676156.2
n2
1672833844660169961
n3
2.1636111444898E+27
n4
2.7983730718405E+36
n5
3.6193619491865E+45
2 √n
35963.60355971
3 √n
1089.5373793622
4 √n
189.64072231383
5 √n
66.427098124568
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1293380780
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1293380781 can be divided by 8 positive divisors.
The sum of these divisors (counting 1293380781) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000101110110110010101101
3
Ternary
10100010201112212220
4
Quaternary
1031011312302231
5
Quinary
10122101141111
6
Senary
332201345553
8
Octal
11505666255
10
Decimal
1293380781
12
Duodecimal
3011982b9
16
Hexadecimal
4d176cad
20
Vigesimal
1043cbj1
36
Base36
le1mzx
md5
d430a3e0f9aab6000008fdbec50c5a2b
sha1
99d1623d8a2e8b85d8777173a84870266baf1c3b
sha256
9f7ab66f9142e5c31d78b21e02ad4931b78f08225428c70018480f9db8c88ccd
sha512
99a0f376d8dd0ba3c4ac8867581b3ba4e37c8351e5eae085d0c99d86c3a9115390e348bd38fb25b01aa42994be6b3768aeca60b207ab7d2a15ecc85a1cf764c1
ripemd-160
53681e33843a9e61da8f1e3aedcb2a02f62776e9
Diameter
2586761562
Circumference
8126551119.7677
Area
5.2553625170608E+18
Volume
9.0629131690056E+27
Surface area
2.1021450068243E+19
Circumference
8126551119.7677
Perimeter
5173523124
Area
1672833844660169961
Diagonal
1829116641.8029
Surface area
1.0037003067961E+19
Volume
2.1636111444898E+27
Space diagonal
2240201226.2251
Perimeter
3880142343
Area
7.2435830289305E+17
Altitude
1120100613.1126
Surface area
7.2435830289305E+17
Volume
2.5498401868659E+26
Height
609705547.26764