1388021247 is an odd 10-digits composite number following 1388021246
and preceding 1388021248 . In scientific notation, it is written as 1.388021247 × 10^9.
The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors.
There are 925347492 positive integers (up to 1388021247) that are relatively prime to 1388021247.
1388021247 has 6 divisors, whose sum is 2004919592
The reverse of 1388021247 is 7421208831
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 36
Digital Root 9
Name
one billion three hundred eighty-eight million twenty-one thousand two hundred forty-seven
Scientific notation
1.388021247 × 10^9
Engineering notation
1.388021247 × 10^9
Prime Factorization
3 × 3 × 154224583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
462673749
Product of the distinct prime numbers
The prime factorization of 1388021247 is 3 × 3 × 154224583.
Since it has a total of 3 prime factors.
5 , 1 , 15 , 39 , 127 , 510 , 7413 , 734 , 58939 , 27895 , 795045 , 479276 , 1798379 , 2841287 , 33818866 , 7373339 , 220260677 , 919472882 , 1795263828 , 3093786437
n×2
2776042494
n×3
4164063741
n×4
5552084988
n×5
6940106235
n÷2
694010623.5
n÷3
462673749
n÷3
347005311.75
n÷5
277604249.4
n2
1926602982123435009
n3
2.6741658737209E+27
n4
3.7117990507269E+36
n5
5.1520559470034E+45
2 √n
37256.157168983
3 √n
1115.4892038465
4 √n
193.01854099797
5 √n
67.371966312257
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388021246
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388021247 can be divided by 6 positive divisors.
The sum of these divisors (counting 1388021247) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010101110111000010111111111
3
Ternary
10120201210210012100
4
Quaternary
1102232320113333
5
Quinary
10320313134442
6
Senary
345422040143
8
Octal
12256702777
10
Decimal
1388021247
12
Duodecimal
328a19053
16
Hexadecimal
52bb85ff
20
Vigesimal
11df2d27
36
Base36
mye41r
md5
a9529f0e80bd5d9d25d7135c772c25b0
sha1
3b9b37ff283fee1841f8462b12512d1a31e56649
sha256
b1507d070e785abbb3ddcf88bbbce8b09bbba73e971e4740578a0d14e778baac
sha512
142b7d0f3274006a7184ae4b59fae5479226c0d72a71dda9f44bf1e043c7fd855387fb3d0f3562564596966823887063cd8517984324d297300b937f8d5ea6ca
ripemd-160
fd7655f1bcc228d8fc2b06e437c03ab7526d6cc5
Diameter
2776042494
Circumference
8721194705.2035
Area
6.0526017750232E+18
Volume
1.1201519817816E+28
Surface area
2.4210407100093E+19
Circumference
8721194705.2035
Perimeter
5552084988
Area
1926602982123435009
Diagonal
1962958472.3694
Surface area
1.1559617892741E+19
Volume
2.6741658737209E+27
Space diagonal
2404123321.7891
Perimeter
4164063741
Area
8.3424356276288E+17
Altitude
1202061660.8946
Surface area
8.3424356276288E+17
Volume
3.1515347055428E+26
Height
654319490.78981