19907540 is an even 8-digits composite number following 19907539
and preceding 19907541 . In scientific notation, it is written as 1.9907540 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 7963008 positive integers (up to 19907540) that are relatively prime to 19907540.
19907540 has 12 divisors, whose sum is 41805876
The reverse of 19907540 is 04570991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
nineteen million nine hundred seven thousand five hundred forty
Scientific notation
1.9907540 × 10^7
Engineering notation
1.9907540 × 10^6
Prime Factorization
2 × 2 × 5 × 995377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9953770
Product of the distinct prime numbers
The prime factorization of 19907540 is 2 × 2 × 5 × 995377.
Since it has a total of 4 prime factors.
5 , 9 , 51 , 87 , 795 , 25 , 1322 , 4199 , 61577 , 95435 , 123707 , 487848 , 8456045 , 746631 , 23796357 , 57049084 , 238216302 , 723087287 , 174168986 , 3632723104
n×2
39815080
n×3
59722620
n×4
79630160
n×5
99537700
n÷2
9953770
n÷3
6635846.6666667
n÷3
4976885
n÷5
3981508
n2
396310148851600
n3
7.8895601406692E+21
n4
1.5706173408278E+29
n5
3.1267127537223E+36
2 √n
4461.7866376599
3 √n
271.02282365654
4 √n
66.796606483113
5 √n
28.827270240488
1 , 2 , 4 , 5 , 10 , 20 , 995377 , 1990754 , 3981508 , 4976885 , 9953770 , 19907540
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
-19907539
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 19907540 can be divided by 12 positive divisors.
The sum of these divisors (counting 19907540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011111100001111010100
3
Ternary
1101110102000022
4
Quaternary
1023330033110
5
Quinary
20044020130
6
Senary
1550404312
8
Octal
113741724
10
Decimal
19907540
12
Duodecimal
6800698
16
Hexadecimal
12fc3d4
20
Vigesimal
6488h0
36
Base36
buor8
md5
7292680147931e64774dfcdd0741b511
sha1
3b38d2d1251211065c8e7c6a77d9d2d5b47651a5
sha256
a7a27d55f80da4983d338227079b407f0c01c607835b9694c50e0275d2446839
sha512
e869f42312b2e0918f5a691bc28825a959a9fc83027b0e0b639c4a65932c712a5dc2b76614081df0b5f979a70d4ce01794bb7517cb01f494016a853b1b86c3e7
ripemd-160
07d65d97a3f019f4fade6398fb718ec1b44a23a1
Diameter
39815080
Circumference
125082762.83009
Area
1.2450450521753E+15
Volume
3.3047712237308E+22
Surface area
4.9801802087011E+15
Circumference
125082762.83009
Perimeter
79630160
Area
396310148851600
Diagonal
28153513.061485
Surface area
2377860893109600
Volume
7.8895601406692E+21
Space diagonal
34480870.73371
Perimeter
59722620
Area
1.7160732834154E+14
Altitude
17240435.366855
Surface area
1.7160732834154E+14
Volume
9.2979357934105E+20
Height
9384504.3538283