19909939 is an odd 8-digits composite number following 19909938
and preceding 19909940 . In scientific notation, it is written as 1.9909939 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 17065656 positive integers (up to 19909939) that are relatively prime to 19909939.
19909939 has 4 divisors, whose sum is 22754224
The reverse of 19909939 is 93990991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred nine thousand nine hundred thirty-nine
Scientific notation
1.9909939 × 10^7
Engineering notation
1.9909939 × 10^6
Prime Factorization
7 × 2844277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19909939
Product of the distinct prime numbers
The prime factorization of 19909939 is 7 × 2844277.
Since it has a total of 2 prime factors.
10 , 6 , 76 , 35 , 648 , 676 , 176 , 9393 , 48288 , 98699 , 239878 , 497645 , 5911212 , 4073670 , 79859747 , 30513424 , 419698870 , 416533487 , 9556029024 , 9368710145
n×2
39819878
n×3
59729817
n×4
79639756
n×5
99549695
n÷2
9954969.5
n÷3
6636646.3333333
n÷3
4977484.75
n÷5
3981987.8
n2
396405670983721
n3
7.89241272854E+21
n4
1.5713745598805E+29
n5
3.1285971633373E+36
2 √n
4462.0554680551
3 √n
271.03370994449
4 √n
66.798618758587
5 √n
28.827964985173
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19909938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19909939 can be divided by 4 positive divisors.
The sum of these divisors (counting 19909939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011111100110100110011
3
Ternary
1101110112022011
4
Quaternary
1023330310303
5
Quinary
20044104224
6
Senary
1550423351
8
Octal
113746463
10
Decimal
19909939
12
Duodecimal
6801b57
16
Hexadecimal
12fcd33
20
Vigesimal
648egj
36
Base36
buqlv
md5
ae11ce4039372bc0a160551f171e7cc1
sha1
33ba6ed427b4988b645636c861b064aa5f575792
sha256
f2416e57064f815776ffad2e81daef20db528c0a498d068e2459e4e57f731c17
sha512
4017f41eaf7a37c572b0b04d52ea3fc5303ce024d606719e4446b744d8b01e25e17742a3472dcfab3fbbbb1e2f1fe682de7c74f64c6e0a9fb6bf26386acd832c
ripemd-160
e6528b5e44421063e3cf0c7c6466b615b17c2067
Diameter
39819878
Circumference
125097836.19164
Area
1.2453451438038E+15
Volume
3.305966112944E+22
Surface area
4.9813805752152E+15
Circumference
125097836.19164
Perimeter
79639756
Area
396405670983721
Diagonal
28156905.759821
Surface area
2378434025902326
Volume
7.89241272854E+21
Space diagonal
34485025.923597
Perimeter
59729817
Area
1.7164869063806E+14
Altitude
17242512.961799
Surface area
1.7164869063806E+14
Volume
9.301297600456E+20
Height
9385635.2532737