1393485281 is an odd 10-digits composite number following 1393485280
and preceding 1393485282 . In scientific notation, it is written as 1.393485281 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 1341475920 positive integers (up to 1393485281) that are relatively prime to 1393485281.
1393485281 has 8 divisors, whose sum is 1446466944
The reverse of 1393485281 is 1825843931
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion three hundred ninety-three million four hundred eighty-five thousand two hundred eighty-one
Scientific notation
1.393485281 × 10^9
Engineering notation
1.393485281 × 10^9
Prime Factorization
61 × 47 × 486043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1393485281
Product of the distinct prime numbers
The prime factorization of 1393485281 is 61 × 47 × 486043.
Since it has a total of 3 prime factors.
1 , 3 , 42 , 1 , 68 , 732 , 4381 , 3481 , 66793 , 65782 , 682654 , 956732 , 6735363 , 4537605 , 69514332 , 69981917 , 248028835 , 537928584 , 2617923711 , 6701143678
n×2
2786970562
n×3
4180455843
n×4
5573941124
n×5
6967426405
n÷2
696742640.5
n÷3
464495093.66667
n÷3
348371320.25
n÷5
278697056.2
n2
1941801228363648961
n3
2.7058714303525E+27
n4
3.7705920104746E+36
n5
5.2542644672525E+45
2 √n
37329.415760229
3 √n
1116.9510187663
4 √n
193.20821866636
5 √n
67.424925793291
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
-1393485280
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 1393485281 can be divided by 8 positive divisors.
The sum of these divisors (counting 1393485281) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011000011101110010111100001
3
Ternary
10121010002101102222
4
Quaternary
1103003232113201
5
Quinary
10323213012111
6
Senary
350135120425
8
Octal
12303562741
10
Decimal
1393485281
12
Duodecimal
32a813115
16
Hexadecimal
530ee5e1
20
Vigesimal
11f95d41
36
Base36
n1n84h
md5
9537f86d8895e252eeca316bca81b977
sha1
c28924a829dd9bd2b41b993df22f81b4d56585f0
sha256
6034cf2d3d9eba83f04fe20f170a71332821b87a68e81485cf1da4920df53ca0
sha512
be277eba8a0b0a7d2245db0ba43f592faad86ae9ea90a03496ed4bd8526a243cd801cd4dc67c380a048e94fb739d725d79f20c1df5151039e8ba3df9de7a4479
ripemd-160
261fad3bbc6b78fc12faa06805fa02c348ba8204
Diameter
2786970562
Circumference
8755526243.3502
Area
6.1003484737589E+18
Volume
1.1334327742872E+28
Surface area
2.4401393895036E+19
Circumference
8755526243.3502
Perimeter
5573941124
Area
1941801228363648961
Diagonal
1970685783.3575
Surface area
1.1650807370182E+19
Volume
2.7058714303525E+27
Space diagonal
2413587306.2914
Perimeter
4180455843
Area
8.4082459643137E+17
Altitude
1206793653.1457
Surface area
8.4082459643137E+17
Volume
3.1889000623686E+26
Height
656895261.11916