1285457427 is an odd 10-digits composite number following 1285457426
and preceding 1285457428 . In scientific notation, it is written as 1.285457427 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 846123408 positive integers (up to 1285457427) that are relatively prime to 1285457427.
1285457427 has 12 divisors, whose sum is 1880276320
The reverse of 1285457427 is 7247545821
Previous prime number is 79
Is Prime? no Number parity odd Number length 10 Sum of Digits 45 Digital Root 9
Name
one billion two hundred eighty-five million four hundred fifty-seven thousand four hundred twenty-seven
Scientific notation
1.285457427 × 10^9
Engineering notation
1.285457427 × 10^9
Prime Factorization
3 × 3 × 79 × 1807957
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
428485809 Product of the distinct prime numbers
The prime factorization of 1285457427 is 3 × 3 × 79 × 1807957.
Since it has a total of 4 prime factors.
5 , 5 , 79 , 82 , 640 , 352 , 1393 , 1954 , 72426 , 76652 , 910729 , 12228 , 368398 , 3801697 , 52305871 , 73275753 , 584333770 , 340266258 , 8847256480 , 3336876271
n×2
2570914854
n×3
3856372281
n×4
5141829708
n×5
6427287135
n÷2
642728713.5
n÷3
428485809
n÷3
321364356.75
n÷5
257091485.4
n2
1652400796629460329
n3
2.1240908764081E+27
n4
2.7304283927017E+36
n5
3.50984945629E+45
2 √n35853.27637748
3 √n1087.3079562591
4 √n189.34961414664
5 √n66.345510411654
1 , 3 , 9 , 79 , 237 , 711 , 1807957 , 5423871 , 16271613 , 142828603 , 428485809 , 1285457427
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
-1285457426 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 1285457427 can be divided by 12 positive divisors.
The sum of these divisors (counting 1285457427) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100111101000011000010011
3
Ternary
10022120211000002100
4
Quaternary
1030213220120103
5
Quinary
10113034114202
6
Senary
331315451443
8
Octal
11447503023
10
Decimal
1285457427
12
Duodecimal
2ba5b6b83
16
Hexadecimal
4c9e8613
20
Vigesimal
101e23b7
36
Base36
l9btar
md5
dd57565b70dfcfd000d71063cb5028b1
sha1
43e1981e3d3d475a82dd9d0300c5b75d1ce77167
sha256
87309713d223a63c35858abad8a26e943ae7100ae8ff4376575282466b49cf4a
sha512
f6cd88da5d272d7dfb4d5252972f7f2ecdf9c03e7e67a8f1758a816139c64604a504ca8bffa3f52f14000fe574407a2d3da2708075a1f095f252f5e019d7ae0f
ripemd-160
542657d1e8c89b5d0ebf075b33dfc27699f87b32
Diameter
2570914854
Circumference
8076767218.3313
Area
5.191170203477E+18
Volume
8.8973710571742E+27
Surface area
2.0764680813908E+19
Circumference
8076767218.3313
Perimeter
5141829708
Area
1652400796629460329
Diagonal
1817911327.1166
Surface area
9.9144047797768E+18
Volume
2.1240908764081E+27
Space diagonal
2226477574.5308
Perimeter
3856372281
Area
7.1551053355738E+17
Altitude
1113238787.2654
Surface area
7.1551053355738E+17
Volume
2.5032651042744E+26
Height
605970442.37221