15281989 is an odd 8-digits prime number following 15281988
and preceding 15281990 . In scientific notation, it is written as 1.5281989 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 15281988 positive integers (up to 15281989) that are relatively prime to 15281989.
15281989 has 2 divisors, whose sum is 15281990
The reverse of 15281989 is 98918251
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
fifteen million two hundred eighty-one thousand nine hundred eighty-nine
Scientific notation
1.5281989 × 10^7
Engineering notation
1.5281989 × 10^6
Prime Factorization
15281989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
15281989
Product of the distinct prime numbers
The prime factorization of 15281989 is 15281989.
Since it has a total of 1 prime factors.
4 , 3 , 21 , 41 , 848 , 900 , 7457 , 7423 , 32750 , 79912 , 359587 , 295362 , 2806754 , 2080624 , 73703982 , 20979495 , 803198465 , 518117254 , 4977671482 , 629987396
n×2
30563978
n×3
45845967
n×4
61127956
n×5
76409945
n÷2
7640994.5
n÷3
5093996.3333333
n÷3
3820497.25
n÷5
3056397.8
n2
233539187796121
n3
3.5689432989693E+21
n4
5.4540552236472E+28
n5
8.3348811933169E+35
2 √n
3909.2184640923
3 √n
248.15705560764
4 √n
62.523743202821
5 √n
27.342358706641
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
15281990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
7640995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3909.2185919951
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999869127
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15281989 can be divided by 2 positive divisors.
The sum of these divisors (counting 15281989) is 15281990, the average is 7640995.
Base
System
Value
2
Binary
111010010010111101000101
3
Ternary
1001202101221121
4
Quaternary
322102331011
5
Quinary
12403010424
6
Senary
1303313541
8
Octal
72227505
10
Decimal
15281989
12
Duodecimal
514b8b1
16
Hexadecimal
e92f45
20
Vigesimal
4fa4j9
36
Base36
93jnp
md5
834d4bc66512a283a3bcdea5c78f0171
sha1
5c0b0723ce565bd95a3f0b01563e472e7bb33523
sha256
f8d2b9cf8e5eb184a817e79b36f07badd4f6ebd33cc11f75522a9e72577dbfd4
sha512
db0f3bb9a5ffddecc50661f3cbfef09cda03051e6cdf1fce7662721cc5721660c5578a6207782c1f395592f0325c24ba50ccf509e908c6d5439733d35eb1b07e
ripemd-160
a141fa2cd0add534590be5913c91c1114a0d80aa
Diameter
30563978
Circumference
96019568.74928
Area
7.3368499670562E+14
Volume
1.494955473216E+22
Surface area
2.9347399868225E+15
Circumference
96019568.74928
Perimeter
61127956
Area
233539187796121
Diagonal
21611996.103836
Surface area
1401235126776726
Volume
3.5689432989693E+21
Space diagonal
26469181.388709
Perimeter
45845967
Area
1.0112543470531E+14
Altitude
13234590.694354
Surface area
1.0112543470531E+14
Volume
4.2060400139524E+20
Height
7203998.7012788