19989957 is an odd 8-digits composite number following 19989956
and preceding 19989958 . In scientific notation, it is written as 1.9989957 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 11411712 positive integers (up to 19989957) that are relatively prime to 19989957.
19989957 has 16 divisors, whose sum is 27319680
The reverse of 19989957 is 75998991
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
nineteen million nine hundred eighty-nine thousand nine hundred fifty-seven
Scientific notation
1.9989957 × 10^7
Engineering notation
1.9989957 × 10^6
Prime Factorization
3 × 247 × 53 × 509
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19989957
Product of the distinct prime numbers
The prime factorization of 19989957 is 3 × 247 × 53 × 509.
Since it has a total of 4 prime factors.
10 , 1 , 29 , 73 , 996 , 128 , 5932 , 5684 , 41247 , 73023 , 204650 , 296906 , 3042217 , 4505611 , 5780956 , 71604269 , 401191462 , 618320541 , 3126338558 , 9818083712
n×2
39979914
n×3
59969871
n×4
79959828
n×5
99949785
n÷2
9994978.5
n÷3
6663319
n÷3
4997489.25
n÷5
3997991.4
n2
399598380861849
n3
7.987954450698E+21
n4
1.5967886598741E+29
n5
3.1919736648971E+36
2 √n
4471.0129724706
3 √n
271.39631922546
4 √n
66.865633717707
5 √n
28.851099728884
1 , 3 , 53 , 159 , 247 , 509 , 741 , 1527 , 13091 , 26977 , 39273 , 80931 , 125723 , 377169 , 6663319 , 19989957
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
-19989956
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 19989957 can be divided by 16 positive divisors.
The sum of these divisors (counting 19989957) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010000010111000101
3
Ternary
1101121121001210
4
Quaternary
1030100113011
5
Quinary
20104134312
6
Senary
1552242033
8
Octal
114202705
10
Decimal
19989957
12
Duodecimal
6840319
16
Hexadecimal
13105c5
20
Vigesimal
64iehh
36
Base36
bwgcl
md5
0fc92fde41d6e0e1bbcffe52540b7310
sha1
a6d4ad1c7215fcebf82221ba049a2ed3bec66e20
sha256
7673c47e12a7ad72889d07069c160afbf1ecd0f9bd230ac27defe1e2b624b663
sha512
103d4f92e52a0f21e52b24bc045abceecfbbbcda84f22dc5ed56758841ea5845c09e53ddd6d572ab4121bd56fdc63c1ae1918cf36aa57a971cf74ad61bf242d6
ripemd-160
35c4fd4ba8522ac5088438bba2947e0af63afe7d
Diameter
39979914
Circumference
125600604.11355
Area
1.255375337702E+15
Volume
3.3459865359364E+22
Surface area
5.0215013508078E+15
Circumference
125600604.11355
Perimeter
79959828
Area
399598380861849
Diagonal
28270068.300655
Surface area
2397590285171094
Volume
7.987954450698E+21
Space diagonal
34623621.165117
Perimeter
59969871
Area
1.7303117456875E+14
Altitude
17311810.582559
Surface area
1.7303117456875E+14
Volume
9.4138945998297E+20
Height
9423356.1002183