1388021225 is an odd 10-digits composite number following 1388021224
and preceding 1388021226 . In scientific notation, it is written as 1.388021225 × 10^9.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 1110078720 positive integers (up to 1388021225) that are relatively prime to 1388021225.
1388021225 has 8 divisors, whose sum is 1443981864
The reverse of 1388021225 is 5221208831
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion three hundred eighty-eight million twenty-one thousand two hundred twenty-five
Scientific notation
1.388021225 × 10^9
Engineering notation
1.388021225 × 10^9
Prime Factorization
4457 × 25 × 12457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388021225
Product of the distinct prime numbers
The prime factorization of 1388021225 is 4457 × 25 × 12457.
Since it has a total of 3 prime factors.
9 , 7 , 33 , 59 , 460 , 44 , 9328 , 6440 , 14425 , 24315 , 495632 , 88148 , 5053670 , 6047729 , 35577380 , 10492800 , 139585685 , 864535470 , 7641727237 , 9813619585
n×2
2776042450
n×3
4164063675
n×4
5552084900
n×5
6940106125
n÷2
694010612.5
n÷3
462673741.66667
n÷3
347005306.25
n÷5
277604245
n2
1926602921050500625
n3
2.6741657465651E+27
n4
3.7117988154003E+36
n5
5.1520555387055E+45
2 √n
37256.15687373
3 √n
1115.489197953
4 √n
193.01854023313
5 √n
67.37196609869
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
-1388021224
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 1388021225 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388021225) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110111000010111101001
3
Ternary
10120201210210011112
4
Quaternary
1102232320113221
5
Quinary
10320313134400
6
Senary
345422040105
8
Octal
12256702751
10
Decimal
1388021225
12
Duodecimal
328a19035
16
Hexadecimal
52bb85e9
20
Vigesimal
11df2d15
36
Base36
mye415
md5
a96bec493fd71a7f4ad1ad9cab239f0e
sha1
5860ce0b26970f9cf218c0a5d17fb9ae0164f268
sha256
82dbe78008edad0f831fe87289d99b0667b47ddde55fdc83ad4f3e3cc263fb18
sha512
f0748533203109bc096183613569e17f5821feec67244c47b2a1bfed6396ff53c1c247e8bd98eb2e973dd67a9947ff7b57c88267bbb8b60a46017f376513e4f5
ripemd-160
73460d32d731973468e3586a1b0b1ca7c07ea981
Diameter
2776042450
Circumference
8721194566.9734
Area
6.0526015831569E+18
Volume
1.1201519285187E+28
Surface area
2.4210406332628E+19
Circumference
8721194566.9734
Perimeter
5552084900
Area
1926602921050500625
Diagonal
1962958441.2567
Surface area
1.1559617526303E+19
Volume
2.6741657465651E+27
Space diagonal
2404123283.684
Perimeter
4164063675
Area
8.3424353631752E+17
Altitude
1202061641.842
Surface area
8.3424353631752E+17
Volume
3.1515345556883E+26
Height
654319480.41891