1555145 is an odd 7-digits composite number following 1555144
and preceding 1555146 . In scientific notation, it is written as 1.555145 × 10^6.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 1189936 positive integers (up to 1555145) that are relatively prime to 1555145.
1555145 has 8 divisors, whose sum is 1947456
The reverse of 1555145 is 5415551
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
one million five hundred fifty-five thousand one hundred forty-five
Scientific notation
1.555145 × 10^6
Engineering notation
1.555145 × 10^6
Prime Factorization
5 × 23 × 13523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1555145
Product of the distinct prime numbers
The prime factorization of 1555145 is 5 × 23 × 13523.
Since it has a total of 3 prime factors.
4 , 2 , 32 , 91 , 526 , 490 , 1613 , 4306 , 99046 , 49614 , 283265 , 106948 , 9604092 , 2451 , 78509254 , 36296573 , 221186755 , 542027889 , 2657861384 , 9460196323
n×2
3110290
n×3
4665435
n×4
6220580
n×5
7775725
n÷2
777572.5
n÷3
518381.66666667
n÷3
388786.25
n÷5
311029
n2
2418475971025
n3
3761080813959673625
n4
5.8490260224253E+24
n5
9.0960835736446E+30
2 √n
1247.0545296818
3 √n
115.85736034655
4 √n
35.313659250803
5 √n
17.312276417773
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
-1555144
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 1555145 can be divided by 8 positive divisors.
The sum of these divisors (counting 1555145) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111011101011001001
3
Ternary
2221000020222
4
Quaternary
11323223021
5
Quinary
344231040
6
Senary
53155425
8
Octal
5735311
10
Decimal
1555145
12
Duodecimal
62bb75
16
Hexadecimal
17bac9
20
Vigesimal
9e7h5
36
Base36
xbyh
md5
8514689b6aac48f82033a5680972edca
sha1
9a84f5089d6c0646806e0ee4ecd69ab5697b2470
sha256
151ca821788469c4099a67b955c4d32b5831273cac772c430208a1e9218671a9
sha512
3deef53081a99cfc88978318a0862102c8e167937f48ec45297058eb99f79223254c459bf4bd1ff3bf0890c2ebccbe19a908594607ef2cf000fad37acf247a12
ripemd-160
cee5a3dd5a4271296aed0e380b4d61ad2d240389
Diameter
3110290
Circumference
9771264.2145338
Area
7597866343455.6
Volume
1.5754378472924E+19
Surface area
30391465373822
Circumference
9771264.2145338
Perimeter
6220580
Area
2418475971025
Diagonal
2199307.1504567
Surface area
14510855826150
Volume
3761080813959673625
Space diagonal
2693590.1531367
Perimeter
4665435
Area
1047230814674.9
Altitude
1346795.0765684
Surface area
1047230814674.9
Volume
4.4324762469025E+17
Height
733102.38348557