18991124 is an even 8-digits composite number following 18991123
and preceding 18991125 . In scientific notation, it is written as 1.8991124 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 9486744 positive integers (up to 18991124) that are relatively prime to 18991124.
18991124 has 12 divisors, whose sum is 33265344
The reverse of 18991124 is 42119981
Previous prime number is 1867
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million nine hundred ninety-one thousand one hundred twenty-four
Scientific notation
1.8991124 × 10^7
Engineering notation
1.8991124 × 10^6
Prime Factorization
2 × 2 × 1867 × 2543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9495562
Product of the distinct prime numbers
The prime factorization of 18991124 is 2 × 2 × 1867 × 2543.
Since it has a total of 4 prime factors.
3 , 3 , 87 , 83 , 953 , 366 , 311 , 102 , 74344 , 22596 , 434710 , 718519 , 1924895 , 8759047 , 15382052 , 12337865 , 317518773 , 909389011 , 2306963974 , 8316766282
n×2
37982248
n×3
56973372
n×4
75964496
n×5
94955620
n÷2
9495562
n÷3
6330374.6666667
n÷3
4747781
n÷5
3798224.8
n2
360662790783376
n3
6.8493917819532E+21
n4
1.3007764865565E+29
n5
2.4703207552479E+36
2 √n
4357.8806775771
3 √n
266.79860623682
4 √n
66.014246019909
5 √n
28.556839055471
1 , 2 , 4 , 1867 , 2543 , 3734 , 5086 , 7468 , 10172 , 4747781 , 9495562 , 18991124
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
-18991123
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 18991124 can be divided by 12 positive divisors.
The sum of these divisors (counting 18991124) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011100100000010100
3
Ternary
1022201211220222
4
Quaternary
1020130200110
5
Quinary
14330203444
6
Senary
1515013512
8
Octal
110344024
10
Decimal
18991124
12
Duodecimal
643a298
16
Hexadecimal
121c814
20
Vigesimal
5idhg4
36
Base36
bb1n8
md5
f1b6f16070cd7a420a7cdbd356432178
sha1
47cb6734fbae722f0f6a87e7ea32dfb9abf595d6
sha256
ed6c8f186f117d0911378d9ca6cebb61f0416b4b589247f78e81f12a9aeaf8f1
sha512
1caabd6ee99b99a5e9235831232dfb429d1ebbd39e4ea9baf3e3c1266bf88d0f61d36a669072c22176472f0b64198bc1a89260c9516e0b1bf36c8e4345d93da2
ripemd-160
2e97534b0765e5e013fcdb2b31b456f25d4b21a1
Diameter
37982248
Circumference
119324751.28363
Area
1.1330555739482E+15
Volume
2.869066520499E+22
Surface area
4.532222295793E+15
Circumference
119324751.28363
Perimeter
75964496
Area
360662790783376
Diagonal
26857505.125509
Surface area
2163976744700256
Volume
6.8493917819532E+21
Space diagonal
32893591.660841
Perimeter
56973372
Area
1.561715695091E+14
Altitude
16446795.83042
Surface area
1.561715695091E+14
Volume
8.0720856267041E+20
Height
8952501.7085031