19485891 is an odd 8-digits composite number following 19485890
and preceding 19485892 . In scientific notation, it is written as 1.9485891 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 12954384 positive integers (up to 19485891) that are relatively prime to 19485891.
19485891 has 12 divisors, whose sum is 28224768
The reverse of 19485891 is 19858491
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million four hundred eighty-five thousand eight hundred ninety-one
Scientific notation
1.9485891 × 10^7
Engineering notation
1.9485891 × 10^6
Prime Factorization
3 × 3 × 383 × 5653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6495297
Product of the distinct prime numbers
The prime factorization of 19485891 is 3 × 3 × 383 × 5653.
Since it has a total of 4 prime factors.
10 , 3 , 46 , 12 , 144 , 742 , 3072 , 2595 , 7390 , 2676 , 205639 , 875614 , 2065390 , 9164003 , 54298202 , 62268444 , 856265582 , 246856124 , 8212890111 , 4203854309
n×2
38971782
n×3
58457673
n×4
77943564
n×5
97429455
n÷2
9742945.5
n÷3
6495297
n÷3
4871472.75
n÷5
3897178.2
n2
379699948063881
n3
7.3987918006784E+21
n4
1.4417205055971E+29
n5
2.8093208624531E+36
2 √n
4414.2826144233
3 √n
269.0956989188
4 √n
66.440067838792
5 √n
28.704107891709
1 , 3 , 9 , 383 , 1149 , 3447 , 5653 , 16959 , 50877 , 2165099 , 6495297 , 19485891
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
-19485890
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 19485891 can be divided by 12 positive divisors.
The sum of these divisors (counting 19485891) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010010101010011000011
3
Ternary
1100122222121200
4
Quaternary
1022111103003
5
Quinary
14442022031
6
Senary
1533352243
8
Octal
112252303
10
Decimal
19485891
12
Duodecimal
6638683
16
Hexadecimal
12954c3
20
Vigesimal
61feeb
36
Base36
blner
md5
0ff9bd6d411d6d664ed13e58ad874d35
sha1
6a2842f709d67df709a43762f8fd69259692dc78
sha256
3fb4f49d1b2b244c16973e12eb5c11440ad553475873b66daf4df5813662eff5
sha512
63f7cfbb95cd4340a09a8b3c1c74df2efe421e0e4b4aa4ef00953e90c70637359b8c64fd063fce27970394798d8878aaf2a0078e7a2daa3ef1e005617e3d929c
ripemd-160
aa52b0584cfc44633fed4e668cafe55044b5d729
Diameter
38971782
Circumference
122433464.0285
Area
1.1928625674059E+15
Volume
3.0991986621936E+22
Surface area
4.7714502696237E+15
Circumference
122433464.0285
Perimeter
77943564
Area
379699948063881
Diagonal
27557211.327124
Surface area
2278199688383286
Volume
7.3987918006784E+21
Space diagonal
33750553.242749
Perimeter
58457673
Area
1.6441490041948E+14
Altitude
16875276.621375
Surface area
1.6441490041948E+14
Volume
8.7195597580786E+20
Height
9185737.1090413