19902444 is an even 8-digits composite number following 19902443
and preceding 19902445 . In scientific notation, it is written as 1.9902444 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 6243840 positive integers (up to 19902444) that are relatively prime to 19902444.
19902444 has 24 divisors, whose sum is 49171248
The reverse of 19902444 is 44420991
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
nineteen million nine hundred two thousand four hundred forty-four
Scientific notation
1.9902444 × 10^7
Engineering notation
1.9902444 × 10^6
Prime Factorization
2 × 2 × 3 × 17 × 97561
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9951222
Product of the distinct prime numbers
The prime factorization of 19902444 is 2 × 2 × 3 × 17 × 97561.
Since it has a total of 5 prime factors.
6 , 2 , 41 , 80 , 684 , 442 , 8195 , 9230 , 73451 , 28451 , 88647 , 79069 , 986779 , 6585915 , 41053901 , 63910431 , 688271188 , 377771759 , 1236074736 , 4200456427
n×2
39804888
n×3
59707332
n×4
79609776
n×5
99512220
n÷2
9951222
n÷3
6634148
n÷3
4975611
n÷5
3980488.8
n2
396107277173136
n3
7.8835029019308E+21
n4
1.5690097502952E+29
n5
3.1227128690703E+36
2 √n
4461.2155294269
3 √n
270.99969590068
4 √n
66.792331366909
5 √n
28.825794228752
1 , 2 , 3 , 4 , 6 , 12 , 17 , 34 , 51 , 68 , 102 , 204 , 97561 , 195122 , 292683 , 390244 , 585366 , 1170732 , 1658537 , 3317074 , 4975611 , 6634148 , 9951222 , 19902444
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902443
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902444 can be divided by 24 positive divisors.
The sum of these divisors (counting 19902444) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001011111010111111101100
3
Ternary
1101110011000120
4
Quaternary
1023322333230
5
Quinary
20043334234
6
Senary
1550324540
8
Octal
113727754
10
Decimal
19902444
12
Duodecimal
67b9750
16
Hexadecimal
12fafec
20
Vigesimal
647g24
36
Base36
bukto
md5
a8ea1c87e501fd6ebdd84e177b8320e3
sha1
a13fd6530df9f9552e700be5b7e834ca86362104
sha256
cac44a556868f24cafbc5f4421b354f2a9f11f86463f0eb17b5a3ed8f61a3913
sha512
1303f61a33137ed8a201eeff30f77619b27330065586d9ab74e2309cd27133fd30d67d4b147ff4f4bdb0c802786cdea67010b2e20b90cc02b7feec233fa725a9
ripemd-160
6128b87231698dfe55feb605f3364b85f62d95be
Diameter
39804888
Circumference
125050743.71776
Area
1.2444077120006E+15
Volume
3.3022339735013E+22
Surface area
4.9776308480023E+15
Circumference
125050743.71776
Perimeter
79609776
Area
396107277173136
Diagonal
28146306.229171
Surface area
2376643663038816
Volume
7.8835029019308E+21
Space diagonal
34472044.202794
Perimeter
59707332
Area
1.7151948232791E+14
Altitude
17236022.101397
Surface area
1.7151948232791E+14
Volume
9.2907972690985E+20
Height
9382102.0763903