15500981 is an odd 8-digits prime number following 15500980
and preceding 15500982 . In scientific notation, it is written as 1.5500981 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 15500980 positive integers (up to 15500981) that are relatively prime to 15500981.
15500981 has 2 divisors, whose sum is 15500982
The reverse of 15500981 is 18900551
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
fifteen million five hundred thousand nine hundred eighty-one
Scientific notation
1.5500981 × 10^7
Engineering notation
1.5500981 × 10^6
Prime Factorization
15500981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
15500981
Product of the distinct prime numbers
The prime factorization of 15500981 is 15500981.
Since it has a total of 1 prime factors.
8 , 10 , 43 , 28 , 889 , 387 , 6177 , 2188 , 51946 , 90430 , 482553 , 267404 , 3634164 , 7435763 , 95476155 , 19565454 , 291586156 , 294373100 , 820810650 , 4038182326
n×2
31001962
n×3
46502943
n×4
62003924
n×5
77504905
n÷2
7750490.5
n÷3
5166993.6666667
n÷3
3875245.25
n÷5
3100196.2
n2
240280411962361
n3
3.7245821005007E+21
n4
5.7734676372802E+28
n5
8.9494412149595E+35
2 √n
3937.1285221593
3 √n
249.33680759232
4 √n
62.746541913951
5 √n
27.420276940867
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
15500982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
7750491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3937.1286491554
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998709759
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15500981 can be divided by 2 positive divisors.
The sum of these divisors (counting 15500981) is 15500982, the average is 7750491.
Base
System
Value
2
Binary
111011001000011010110101
3
Ternary
1002011112100102
4
Quaternary
323020122311
5
Quinary
12432012411
6
Senary
1312123445
8
Octal
73103265
10
Decimal
15500981
12
Duodecimal
5236585
16
Hexadecimal
ec86b5
20
Vigesimal
4ghc91
36
Base36
988mt
md5
bf593955a42a57e3cc1213046c6a0ae7
sha1
257f7fb46cf8706dc2da9d9ce664e3e943ddddfc
sha256
519d2478f82460a7fce97b034ec0d212c12741c9512aec611446adc33a50d045
sha512
d11de9b98e4aed6c20ff452ee5690d82d806448b2912aaddd753890660952d8d130461b1cb43b406c452499d80f0e2e12bdb750d1174c1b6cf528506477cc89e
ripemd-160
dd0fee2256046c47a3fd3130526ffc25f7519de9
Diameter
31001962
Circumference
97395536.06607
Area
7.5486317702248E+14
Volume
1.56014930195E+22
Surface area
3.0194527080899E+15
Circumference
97395536.06607
Perimeter
62003924
Area
240280411962361
Diagonal
21921697.560288
Surface area
1441682471774166
Volume
3.7245821005007E+21
Space diagonal
26848486.65916
Perimeter
46502943
Area
1.040444703956E+14
Altitude
13424243.32958
Surface area
1.040444703956E+14
Volume
4.3894621005835E+20
Height
7307232.5200959