1280821042 is an even 10-digits composite number following 1280821041
and preceding 1280821043 . In scientific notation, it is written as 1.280821042 × 10^9.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 638131200 positive integers (up to 1280821042) that are relatively prime to 1280821042.
1280821042 has 8 divisors, whose sum is 1928069532
The reverse of 1280821042 is 2401280821
Previous prime number is 281
Is Prime? no
Number parity even
Number length 10
Sum of Digits 28
Digital Root 1
Name
one billion two hundred eighty million eight hundred twenty-one thousand forty-two
Scientific notation
1.280821042 × 10^9
Engineering notation
1.280821042 × 10^9
Prime Factorization
2 × 281 × 2279041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1280821042
Product of the distinct prime numbers
The prime factorization of 1280821042 is 2 × 281 × 2279041.
Since it has a total of 3 prime factors.
4 , 10 , 15 , 62 , 431 , 359 , 9988 , 7598 , 35402 , 7989 , 584644 , 362540 , 8075268 , 182983 , 82098889 , 83918628 , 327339135 , 243664975 , 3147323826 , 7755600427
n×2
2561642084
n×3
3842463126
n×4
5123284168
n×5
6404105210
n÷2
640410521
n÷3
426940347.33333
n÷3
320205260.5
n÷5
256164208.4
n2
1640502541629965764
n3
2.1011901747741E+27
n4
2.6912485890944E+36
n5
3.4470078221649E+45
2 √n
35788.56021133
3 √n
1085.9991481509
4 √n
189.17864628792
5 √n
66.29758224681
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
-1280821041
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 1280821042 can be divided by 8 positive divisors.
The sum of these divisors (counting 1280821042) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010101111100011100110010
3
Ternary
10022021002110011101
4
Quaternary
1030111330130302
5
Quinary
10110342233132
6
Senary
331032235014
8
Octal
11425743462
10
Decimal
1280821042
12
Duodecimal
2b8b3ba6a
16
Hexadecimal
4c57c732
20
Vigesimal
10052cc2
36
Base36
l6kfua
md5
2ddf7a0cf09ed00c1d3fb2df4be3c6bb
sha1
b07e2ff9f2c58e5e880b6bdd6ef94a7418bf54ae
sha256
316d60be07c29d067f31b61a03fd3361a52e0a3593b00b7f5b5d734e08737ef7
sha512
56c9b4836bccad178d93fdb6e95b35e3fa8b14cc8ba58c35a5d054fc6ecedd685bd3bc000f7f77bc2222a2508b725561d73536913ec97ef4aec9cec8c9cbcee3
ripemd-160
2b0d2baae5610da641e5d315c48bded6dcf6973e
Diameter
2561642084
Circumference
8047635952.2208
Area
5.1537907329801E+18
Volume
8.8014448224873E+27
Surface area
2.061516293192E+19
Circumference
8047635952.2208
Perimeter
5123284168
Area
1640502541629965764
Diagonal
1811354488.5692
Surface area
9.8430152497798E+18
Volume
2.1011901747741E+27
Space diagonal
2218447120.1473
Perimeter
3842463126
Area
7.1035843801224E+17
Altitude
1109223560.0737
Surface area
7.1035843801224E+17
Volume
2.4762763685756E+26
Height
603784829.52308