19981709 is an odd 8-digits composite number following 19981708
and preceding 19981710 . In scientific notation, it is written as 1.9981709 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 17625600 positive integers (up to 19981709) that are relatively prime to 19981709.
19981709 has 16 divisors, whose sum is 22456896
The reverse of 19981709 is 90718991
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred eighty-one thousand seven hundred nine
Scientific notation
1.9981709 × 10^7
Engineering notation
1.9981709 × 10^6
Prime Factorization
11 × 61 × 97 × 307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19981709
Product of the distinct prime numbers
The prime factorization of 19981709 is 11 × 61 × 97 × 307.
Since it has a total of 4 prime factors.
6 , 6 , 50 , 63 , 490 , 535 , 5916 , 4560 , 75688 , 51330 , 858579 , 705277 , 6015620 , 3505959 , 37198138 , 96235940 , 922086082 , 249884395 , 7134348896 , 2677529824
n×2
39963418
n×3
59945127
n×4
79926836
n×5
99908545
n÷2
9990854.5
n÷3
6660569.6666667
n÷3
4995427.25
n÷5
3996341.8
n2
399268694560681
n3
7.9780708675214E+21
n4
1.5941549045619E+29
n5
3.1853939403879E+36
2 √n
4470.0904912541
3 √n
271.35898739958
4 √n
66.858735339924
5 √n
28.848718501606
1 , 11 , 61 , 97 , 307 , 671 , 1067 , 3377 , 5917 , 18727 , 29779 , 65087 , 205997 , 327569 , 1816519 , 19981709
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
-19981708
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 19981709 can be divided by 16 positive divisors.
The sum of these divisors (counting 19981709) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110010110001101
3
Ternary
1101121011202022
4
Quaternary
1030032112031
5
Quinary
20103403314
6
Senary
1552135525
8
Octal
114162615
10
Decimal
19981709
12
Duodecimal
68375a5
16
Hexadecimal
130e58d
20
Vigesimal
64he59
36
Base36
bw9zh
md5
80bc097eedc037da87cf2c46ccfe0a25
sha1
f952713a74ca96f77174a4a8c4b29d82666b7657
sha256
6dd7d74f85edff7f672ef3225d8ad38e5a6343f2e007adf3ec5987cd612defe2
sha512
afedce89610e200d294e6c9b5a4b43488113ed08d55aa92265f05eba586df334963fd58e79f65eda2ec151046d800027cd759de6dd5d2d9282fa3c9aaf8b5724
ripemd-160
4106da41fcdbc713903068d204530f6520c50434
Diameter
39963418
Circumference
125548780.40114
Area
1.2543395976402E+15
Volume
3.3418465102965E+22
Surface area
5.0173583905609E+15
Circumference
125548780.40114
Perimeter
79926836
Area
399268694560681
Diagonal
28258403.867193
Surface area
2395612167364086
Volume
7.9780708675214E+21
Space diagonal
34609335.210056
Perimeter
59945127
Area
1.728884162127E+14
Altitude
17304667.605028
Surface area
1.728884162127E+14
Volume
9.4022466853521E+20
Height
9419467.9557308