19948905 is an odd 8-digits composite number following 19948904
and preceding 19948906 . In scientific notation, it is written as 1.9948905 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 9867264 positive integers (up to 19948905) that are relatively prime to 19948905.
19948905 has 16 divisors, whose sum is 21908880
The reverse of 19948905 is 50984991
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred forty-eight thousand nine hundred five
Scientific notation
1.9948905 × 10^7
Engineering notation
1.9948905 × 10^6
Prime Factorization
45 × 17 × 89 × 293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19948905
Product of the distinct prime numbers
The prime factorization of 19948905 is 45 × 17 × 89 × 293.
Since it has a total of 4 prime factors.
3 , 7 , 19 , 48 , 658 , 860 , 8946 , 4023 , 11009 , 19062 , 40088 , 117129 , 2969153 , 3991973 , 60910016 , 17689969 , 302190409 , 428567825 , 1292592597 , 5049373151
n×2
39897810
n×3
59846715
n×4
79795620
n×5
99744525
n÷2
9974452.5
n÷3
6649635
n÷3
4987226.25
n÷5
3989781
n2
397958810699025
n3
7.9388425085478E+21
n4
1.5837121501298E+29
n5
3.1593323230286E+36
2 √n
4466.4197071032
3 √n
271.21040925144
4 √n
66.831277910146
5 √n
28.83924007885
1 , 17 , 45 , 89 , 293 , 765 , 1513 , 4005 , 4981 , 13185 , 26077 , 68085 , 224145 , 443309 , 1173465 , 19948905
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
-19948904
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 19948905 can be divided by 16 positive divisors.
The sum of these divisors (counting 19948905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100000110010101101001
3
Ternary
1101112111202100
4
Quaternary
1030012111221
5
Quinary
20101331110
6
Senary
1551324013
8
Octal
114062551
10
Decimal
19948905
12
Duodecimal
6820609
16
Hexadecimal
1306569
20
Vigesimal
64dc55
36
Base36
bvko9
md5
533e0eb8f509dbb6a57e15d8669a764f
sha1
753715f77f91581324dee318e02b31f2c882c8cb
sha256
9021fd764f0c0b943dd6186e7cb20094a8adfbe0b06cbefea714eb12f715bce9
sha512
e9876723cee40b393eede8b49b6657326c315bd763f58be033e7653205c70477c40e4dab1568d8de2edd82a872e72221f556e2df646b2cb1c9938bc023353607
ripemd-160
eefbfb28fcc8b28e7338f00c4b0d48f2b555f1bb
Diameter
39897810
Circumference
125342666.79032
Area
1.2502244761234E+15
Volume
3.3254145737147E+22
Surface area
5.0008979044936E+15
Circumference
125342666.79032
Perimeter
79795620
Area
397958810699025
Diagonal
28212012.005492
Surface area
2387752864194150
Volume
7.9388425085478E+21
Space diagonal
34552517.015365
Perimeter
59846715
Area
1.723212198626E+14
Altitude
17276258.507682
Surface area
1.723212198626E+14
Volume
9.3560156209437E+20
Height
9404004.0018308