19902442 is an even 8-digits composite number following 19902441
and preceding 19902443 . In scientific notation, it is written as 1.9902442 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8529612 positive integers (up to 19902442) that are relatively prime to 19902442.
19902442 has 8 divisors, whose sum is 34118496
The reverse of 19902442 is 24420991
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
nineteen million nine hundred two thousand four hundred forty-two
Scientific notation
1.9902442 × 10^7
Engineering notation
1.9902442 × 10^6
Prime Factorization
2 × 7 × 1421603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19902442
Product of the distinct prime numbers
The prime factorization of 19902442 is 2 × 7 × 1421603.
Since it has a total of 3 prime factors.
3 , 4 , 63 , 69 , 726 , 243 , 2454 , 2566 , 47570 , 75178 , 274825 , 96534 , 9783527 , 8467868 , 11273738 , 70534882 , 227127955 , 674231704 , 1792760778 , 5471139958
n×2
39804884
n×3
59707326
n×4
79609768
n×5
99512210
n÷2
9951221
n÷3
6634147.3333333
n÷3
4975610.5
n÷5
3980488.4
n2
396107197563364
n3
7.8835005252874E+21
n4
1.569009119615E+29
n5
3.1227113000609E+36
2 √n
4461.2153052728
3 √n
270.99968682307
4 √n
66.792329688915
5 √n
28.82579364941
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902441
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902442 can be divided by 8 positive divisors.
The sum of these divisors (counting 19902442) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011111010111111101010
3
Ternary
1101110011000111
4
Quaternary
1023322333222
5
Quinary
20043334232
6
Senary
1550324534
8
Octal
113727752
10
Decimal
19902442
12
Duodecimal
67b974a
16
Hexadecimal
12fafea
20
Vigesimal
647g22
36
Base36
buktm
md5
a9acf29f80c959ced817a16cc597d176
sha1
2435c7682b2e6cc71cda247e80f0bf00ae0c4128
sha256
ba91e221c1e3ebb641066122f1bd6ee363f557411912b00f371607d8a1b702ff
sha512
e2f45aa5d1902fcb3f46de66f51ca21f30a8faa4e0f13fb6b8d3aca026c452cfa952f284a260a3547e89e08e0b2157eb11553a764a7d8f36ece3d2f017b21619
ripemd-160
31d5f43c317d8ffaf9efb1f33692e1c6296ae976
Diameter
39804884
Circumference
125050731.15139
Area
1.2444074618991E+15
Volume
3.3022329779752E+22
Surface area
4.9776298475964E+15
Circumference
125050731.15139
Perimeter
79609768
Area
396107197563364
Diagonal
28146303.400744
Surface area
2376643185380184
Volume
7.8835005252874E+21
Space diagonal
34472040.738693
Perimeter
59707326
Area
1.7151944785587E+14
Altitude
17236020.369346
Surface area
1.7151944785587E+14
Volume
9.2907944681974E+20
Height
9382101.1335813