19421640 is an even 8-digits composite number following 19421639
and preceding 19421641 . In scientific notation, it is written as 1.9421640 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 4427136 positive integers (up to 19421640) that are relatively prime to 19421640.
19421640 has 32 divisors, whose sum is 41775360
The reverse of 19421640 is 04612491
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
nineteen million four hundred twenty-one thousand six hundred forty
Scientific notation
1.9421640 × 10^7
Engineering notation
1.9421640 × 10^6
Prime Factorization
2 × 2 × 2 × 945 × 7 × 367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4855410
Product of the distinct prime numbers
The prime factorization of 19421640 is 2 × 2 × 2 × 945 × 7 × 367.
Since it has a total of 6 prime factors.
3 , 7 , 25 , 70 , 317 , 578 , 3161 , 3348 , 78000 , 96412 , 694669 , 347949 , 9061140 , 4143185 , 70989447 , 83870211 , 415716199 , 83245031 , 2662034499 , 2251133145
n×2
38843280
n×3
58264920
n×4
77686560
n×5
97108200
n÷2
9710820
n÷3
6473880
n÷3
4855410
n÷5
3884328
n2
377200100289600
n3
7.3258445557885E+21
n4
1.4227991565848E+29
n5
2.7633093011494E+36
2 √n
4406.9989788971
3 √n
268.79960937443
4 √n
66.385231632473
5 √n
28.685153614405
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 367 , 734 , 945 , 1468 , 1890 , 2569 , 2936 , 3780 , 5138 , 6615 , 7560 , 10276 , 13230 , 20552 , 26460 , 52920 , 346815 , 693630 , 1387260 , 2427705 , 2774520 , 4855410 , 9710820 , 19421640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19421639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19421640 can be divided by 32 positive divisors.
The sum of these divisors (counting 19421640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010000101100111001000
3
Ternary
1100112201111000
4
Quaternary
1022011213020
5
Quinary
14432443030
6
Senary
1532135000
8
Octal
112054710
10
Decimal
19421640
12
Duodecimal
6607460
16
Hexadecimal
12859c8
20
Vigesimal
617e20
36
Base36
bk9u0
md5
9cfa302c9dae8e2b078e336b49f07026
sha1
eb1871405566daa9c44c31397e7ad1ca2bf0a039
sha256
d937786bf10818c226858c1dcca3fab21f4702d0ba9e4801ebd145f386c49cda
sha512
36e6208710d74250cf9861240e99f24318499933c8821078345016135a59013956dc19ff16c45769636750fabd5b98c1b452483d58eaa12e8d160708a5b6d20d
ripemd-160
759c804fd18245a91814feeea69c1be16d7c6d50
Diameter
38843280
Circumference
122029763.08933
Area
1.1850090640031E+15
Volume
3.0686425917075E+22
Surface area
4.7400362560126E+15
Circumference
122029763.08933
Perimeter
77686560
Area
377200100289600
Diagonal
27466346.691528
Surface area
2263200601737600
Volume
7.3258445557885E+21
Space diagonal
33639267.246312
Perimeter
58264920
Area
1.6333243458042E+14
Altitude
16819633.623156
Surface area
1.6333243458042E+14
Volume
8.6335906055277E+20
Height
9155448.8971759