18993880 is an even 8-digits composite number following 18993879
and preceding 18993881 . In scientific notation, it is written as 1.8993880 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors.
There are 7597536 positive integers (up to 18993880) that are relatively prime to 18993880.
18993880 has 16 divisors, whose sum is 42736320
The reverse of 18993880 is 08839981
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million nine hundred ninety-three thousand eight hundred eighty
Scientific notation
1.8993880 × 10^7
Engineering notation
1.8993880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 474847
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4748470
Product of the distinct prime numbers
The prime factorization of 18993880 is 2 × 2 × 2 × 5 × 474847.
Since it has a total of 5 prime factors.
1 , 9 , 85 , 51 , 212 , 205 , 8857 , 2899 , 12397 , 11502 , 495985 , 453333 , 7055210 , 6024333 , 23105010 , 6908889 , 950417216 , 881799800 , 131370674 , 8984007386
n×2
37987760
n×3
56981640
n×4
75975520
n×5
94969400
n÷2
9496940
n÷3
6331293.3333333
n÷3
4748470
n÷5
3798776
n2
360767477454400
n3
6.8523741746716E+21
n4
1.3015317278881E+29
n5
2.4721137455699E+36
2 √n
4358.1968748555
3 √n
266.81151158834
4 √n
66.016640893456
5 √n
28.557667843491
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 474847 , 949694 , 1899388 , 2374235 , 3798776 , 4748470 , 9496940 , 18993880
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18993879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18993880 can be divided by 16 positive divisors.
The sum of these divisors (counting 18993880) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011101001011011000
3
Ternary
1022201222201001
4
Quaternary
1020131023120
5
Quinary
14330301010
6
Senary
1515034344
8
Octal
110351330
10
Decimal
18993880
12
Duodecimal
643b9b4
16
Hexadecimal
121d2d8
20
Vigesimal
5ie4e0
36
Base36
bb3rs
md5
550989ad9efb14d44ec9172beabf1a0f
sha1
6d5bc1a80f9c913f8099f43fc9795163fe8f4d38
sha256
19e395c3a5e6da2aa5525c1c3b07d4702f7afc9782380a8cd2e90e1f7280764c
sha512
eaef66214ceb79d59279cc6ae2a4a3a91200324d0c5beb29997cb76dca1aa5c559ccc9e5be275ca3cefe570c8b6d7745abe373cb4b7b73e0a8060a3c75ae387c
ripemd-160
83d86f94c247ef8966bec1ec6b40943e0efa10e4
Diameter
37987760
Circumference
119342067.74233
Area
1.1333844568249E+15
Volume
2.8703157822396E+22
Surface area
4.5335378272995E+15
Circumference
119342067.74233
Perimeter
75975520
Area
360767477454400
Diagonal
26861402.698087
Surface area
2164604864726400
Volume
6.8523741746716E+21
Space diagonal
32898365.192866
Perimeter
56981640
Area
1.5621690016737E+14
Altitude
16449182.596433
Surface area
1.5621690016737E+14
Volume
8.0756004102297E+20
Height
8953800.8993624