15231385 is an odd 8-digits composite number following 15231384
and preceding 15231386 . In scientific notation, it is written as 1.5231385 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 10883520 positive integers (up to 15231385) that are relatively prime to 15231385.
15231385 has 16 divisors, whose sum is 20321280
The reverse of 15231385 is 58313251
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
fifteen million two hundred thirty-one thousand three hundred eighty-five
Scientific notation
1.5231385 × 10^7
Engineering notation
1.5231385 × 10^6
Prime Factorization
13 × 5 × 31 × 7559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15231385
Product of the distinct prime numbers
The prime factorization of 15231385 is 13 × 5 × 31 × 7559.
Since it has a total of 4 prime factors.
7 , 6 , 20 , 5 , 259 , 381 , 2361 , 5921 , 92862 , 37415 , 200622 , 264754 , 7223136 , 6952507 , 13380633 , 82051291 , 800069640 , 351820247 , 6126621293 , 7410205529
n×2
30462770
n×3
45694155
n×4
60925540
n×5
76156925
n÷2
7615692.5
n÷3
5077128.3333333
n÷3
3807846.25
n÷5
3046277
n2
231995089018225
n3
3.5336065189459E+21
n4
5.3821721328574E+28
n5
8.1977935891822E+35
2 √n
3902.7407036594
3 √n
247.88284116654
4 √n
62.471919321079
5 √n
27.324226655296
1 , 5 , 13 , 31 , 65 , 155 , 403 , 2015 , 7559 , 37795 , 98267 , 234329 , 491335 , 1171645 , 3046277 , 15231385
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15231384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15231385 can be divided by 16 positive divisors.
The sum of these divisors (counting 15231385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010000110100110011001
3
Ternary
1001122211112101
4
Quaternary
322012212121
5
Quinary
12344401020
6
Senary
1302243401
8
Octal
72064631
10
Decimal
15231385
12
Duodecimal
5126561
16
Hexadecimal
e86999
20
Vigesimal
4f3i95
36
Base36
92gm1
md5
6e4dd2f51b6bf2111de0d6f4f3e3d469
sha1
d0ccc7cf182dadb46069c24b018369d18f7b8399
sha256
84b5e48c1c64e16ce3fd86fbcd814fcbdcb5b22c64b9aba70287797933d95e76
sha512
627436fee328116a8d01f41014d82b75c12919f21d2e75db902a61ccf82da102d32ca539e1251043175e63a9fd1989a5d37e6739ff8f6f12e1398ac45588d606
ripemd-160
9fed6af148db1d8fad4192034f5cec1450ec6937
Diameter
30462770
Circumference
95701614.439996
Area
7.2883406732857E+14
Volume
1.480153637413E+22
Surface area
2.9153362693143E+15
Circumference
95701614.439996
Perimeter
60925540
Area
231995089018225
Diagonal
21540431.240726
Surface area
1391970534109350
Volume
3.5336065189459E+21
Space diagonal
26381532.689642
Perimeter
45694155
Area
1.0045682032151E+14
Altitude
13190766.344821
Surface area
1.0045682032151E+14
Volume
4.1643952193193E+20
Height
7180143.7469087