19909902 is an even 8-digits composite number following 19909901
and preceding 19909903 . In scientific notation, it is written as 1.9909902 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6627192 positive integers (up to 19909902) that are relatively prime to 19909902.
19909902 has 16 divisors, whose sum is 39876480
The reverse of 19909902 is 20990991
Previous prime number is 859
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million nine hundred nine thousand nine hundred two
Scientific notation
1.9909902 × 10^7
Engineering notation
1.9909902 × 10^6
Prime Factorization
2 × 3 × 859 × 3863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19909902
Product of the distinct prime numbers
The prime factorization of 19909902 is 2 × 3 × 859 × 3863.
Since it has a total of 4 prime factors.
5 , 4 , 91 , 71 , 513 , 374 , 3345 , 1988 , 72330 , 11678 , 756889 , 849738 , 9681613 , 7679382 , 14402799 , 20305475 , 651821855 , 897127369 , 4170810979 , 6971519913
n×2
39819804
n×3
59729706
n×4
79639608
n×5
99549510
n÷2
9954951
n÷3
6636634
n÷3
4977475.5
n÷5
3981980.4
n2
396404197649604
n3
7.8923687275922E+21
n4
1.5713628791423E+29
n5
3.128568093016E+36
2 √n
4462.0513219819
3 √n
271.0335420509
4 √n
66.798587724456
5 √n
28.82795427057
1 , 2 , 3 , 6 , 859 , 1718 , 2577 , 3863 , 5154 , 7726 , 11589 , 23178 , 3318317 , 6636634 , 9954951 , 19909902
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
-19909901
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 19909902 can be divided by 16 positive divisors.
The sum of these divisors (counting 19909902) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111100110100001110
3
Ternary
1101110112020210
4
Quaternary
1023330310032
5
Quinary
20044104102
6
Senary
1550423250
8
Octal
113746416
10
Decimal
19909902
12
Duodecimal
6801b26
16
Hexadecimal
12fcd0e
20
Vigesimal
648ef2
36
Base36
buqku
md5
37e2737600c215de8e5eb8fc3991e843
sha1
6b3d5ab56223d32b3a9e0d67110912ad665cbb82
sha256
d19603d82b644a80731c534e3512d77c66c4f55b826ec26483a0f9504767906e
sha512
67018387699b5f89d4aeff35634404b558c127f3927d9d9e2e9d88fe116e0891c85e10eadbab9df3f63ba9f0f42aa8c389f4000a77a6726896273b2808b94afa
ripemd-160
020c4532de5e501322d25de58cb79d622007bc74
Diameter
39819804
Circumference
125097603.71379
Area
1.2453405151882E+15
Volume
3.3059476818701E+22
Surface area
4.9813620607526E+15
Circumference
125097603.71379
Perimeter
79639608
Area
396404197649604
Diagonal
28156853.433919
Surface area
2378425185897624
Volume
7.8923687275922E+21
Space diagonal
34484961.837717
Perimeter
59729706
Area
1.7164805266567E+14
Altitude
17242480.918859
Surface area
1.7164805266567E+14
Volume
9.3012457448419E+20
Height
9385617.8113064