18809725 is an odd 8-digits composite number following 18809724
and preceding 18809726 . In scientific notation, it is written as 1.8809725 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 13679600 positive integers (up to 18809725) that are relatively prime to 18809725.
18809725 has 12 divisors, whose sum is 25444800
The reverse of 18809725 is 52790881
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million eight hundred nine thousand seven hundred twenty-five
Scientific notation
1.8809725 × 10^7
Engineering notation
1.8809725 × 10^6
Prime Factorization
5 × 5 × 11 × 68399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3761945
Product of the distinct prime numbers
The prime factorization of 18809725 is 5 × 5 × 11 × 68399.
Since it has a total of 4 prime factors.
9 , 9 , 94 , 24 , 5 , 146 , 1294 , 1976 , 61172 , 17062 , 427669 , 598601 , 7385365 , 71232 , 34849745 , 46128185 , 14755693 , 611849310 , 7966672938 , 1360356957
n×2
37619450
n×3
56429175
n×4
75238900
n×5
94048625
n÷2
9404862.5
n÷3
6269908.3333333
n÷3
4702431.25
n÷5
3761945
n2
353805754575625
n3
6.654988946985E+21
n4
1.2517851197083E+29
n5
2.3545733860805E+36
2 √n
4337.0179847448
3 √n
265.94642013518
4 √n
65.856039850152
5 √n
28.502075701596
1 , 5 , 11 , 25 , 55 , 275 , 68399 , 341995 , 752389 , 1709975 , 3761945 , 18809725
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18809724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18809725 can be divided by 12 positive divisors.
The sum of these divisors (counting 18809725) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111110000001101111101
3
Ternary
1022101122002111
4
Quaternary
1013300031331
5
Quinary
14303402400
6
Senary
1511054021
8
Octal
107601575
10
Decimal
18809725
12
Duodecimal
6371311
16
Hexadecimal
11f037d
20
Vigesimal
5hb465
36
Base36
b75od
md5
148944c6e1ac06a1b9c0b40aa3a68319
sha1
7090af38f6e6867f85a60868ca0c52fd43005911
sha256
4a2a1282060a99a960fcc2eaf4c26b32b431b4edce0ca1a6d3939839c9fc5454
sha512
88634132615494c2290ee916c573c0cabb6a80be70ab01397118a160e33aad72987e096cb447a28bd7e4772cf2b251e071b3f8a8f634d85e3fb88f6a4b65324d
ripemd-160
855f522c56c99de3e9f50eeaa375ce06a6b8679b
Diameter
37619450
Circumference
118184987.75209
Area
1.1115135593726E+15
Volume
2.7876352514092E+22
Surface area
4.4460542374903E+15
Circumference
118184987.75209
Perimeter
75238900
Area
353805754575625
Diagonal
26600968.199508
Surface area
2122834527453750
Volume
6.654988946985E+21
Space diagonal
32579399.376399
Perimeter
56429175
Area
1.5320238573381E+14
Altitude
16289699.688199
Surface area
1.5320238573381E+14
Volume
7.8429796885577E+20
Height
8866989.3998361