19874889 is an odd 8-digits composite number following 19874888
and preceding 19874890 . In scientific notation, it is written as 1.9874889 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 12791520 positive integers (up to 19874889) that are relatively prime to 19874889.
19874889 has 12 divisors, whose sum is 23101260
The reverse of 19874889 is 98847891
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
nineteen million eight hundred seventy-four thousand eight hundred eighty-nine
Scientific notation
1.9874889 × 10^7
Engineering notation
1.9874889 × 10^6
Prime Factorization
9 × 9 × 29 × 8461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2208321
Product of the distinct prime numbers
The prime factorization of 19874889 is 9 × 9 × 29 × 8461.
Since it has a total of 4 prime factors.
3 , 10 , 47 , 88 , 689 , 675 , 74 , 3984 , 46933 , 16949 , 248887 , 718554 , 3636912 , 9827403 , 84480135 , 16806816 , 382541577 , 206463381 , 4705211385 , 9011220248
n×2
39749778
n×3
59624667
n×4
79499556
n×5
99374445
n÷2
9937444.5
n÷3
6624963
n÷3
4968722.25
n÷5
3974977.8
n2
395011212762321
n3
7.8508040074065E+21
n4
1.5603385820796E+29
n5
3.1011556121249E+36
2 √n
4458.1261758725
3 √n
270.87457147734
4 √n
66.769200803009
5 √n
28.817807923078
1 , 9 , 29 , 81 , 261 , 2349 , 8461 , 76149 , 245369 , 685341 , 2208321 , 19874889
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
-19874888
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 19874889 can be divided by 12 positive divisors.
The sum of these divisors (counting 19874889) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011110100010001001001
3
Ternary
1101101202020000
4
Quaternary
1023310101021
5
Quinary
20041444024
6
Senary
1545553213
8
Octal
113642111
10
Decimal
19874889
12
Duodecimal
67a5809
16
Hexadecimal
12f4449
20
Vigesimal
644749
36
Base36
btzk9
md5
9466b69378b119cc70682b800b15f118
sha1
e34b4ea09a1b8287cf76864a615b64fea43dbd58
sha256
4a7671f3162dac8ac0663132db5a8cb5ec586e5b99e0ceb87dadbf5ec86be6a1
sha512
c428d23a0fcee956be8aba8cd9726f8871915c00f9a92d688572e5297366c25fe097a998fcb7cdd477bfdb3c98184c5f5cd52aa50392358f91b9fca73a2ab6ce
ripemd-160
d2de04444d0a65798b19e72b23985c27644d62bd
Diameter
39749778
Circumference
124877610.54663
Area
1.2409643240997E+15
Volume
3.2885370925922E+22
Surface area
4.9638572963988E+15
Circumference
124877610.54663
Perimeter
79499556
Area
395011212762321
Diagonal
28107337.57446
Surface area
2370067276573926
Volume
7.8508040074065E+21
Space diagonal
34424317.542792
Perimeter
59624667
Area
1.7104487251593E+14
Altitude
17212158.771396
Surface area
1.7104487251593E+14
Volume
9.2522612523394E+20
Height
9369112.5248199