19989718 is an even 8-digits composite number following 19989717
and preceding 19989719 . In scientific notation, it is written as 1.9989718 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 32 positive divisors.
There are 8316000 positive integers (up to 19989718) that are relatively prime to 19989718.
19989718 has 32 divisors, whose sum is 35290368
The reverse of 19989718 is 81798991
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
nineteen million nine hundred eighty-nine thousand seven hundred eighteen
Scientific notation
1.9989718 × 10^7
Engineering notation
1.9989718 × 10^6
Prime Factorization
2 × 7 × 67 × 101 × 211
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19989718
Product of the distinct prime numbers
The prime factorization of 19989718 is 2 × 7 × 67 × 101 × 211.
Since it has a total of 5 prime factors.
9 , 6 , 97 , 18 , 316 , 857 , 8796 , 7403 , 43485 , 60524 , 186239 , 317447 , 1257342 , 9378136 , 32155711 , 8707801 , 243210991 , 648377320 , 4211322422 , 9414869726
n×2
39979436
n×3
59969154
n×4
79958872
n×5
99948590
n÷2
9994859
n÷3
6663239.3333333
n÷3
4997429.5
n÷5
3997943.6
n2
399588825719524
n3
7.9876679420844E+21
n4
1.5967122963991E+29
n5
3.191782853215E+36
2 √n
4470.9862446668
3 √n
271.39523761602
4 √n
66.86543385537
5 √n
28.851030739783
1 , 2 , 7 , 14 , 67 , 101 , 134 , 202 , 211 , 422 , 469 , 707 , 938 , 1414 , 1477 , 2954 , 6767 , 13534 , 14137 , 21311 , 28274 , 42622 , 47369 , 94738 , 98959 , 149177 , 197918 , 298354 , 1427837 , 2855674 , 9994859 , 19989718
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19989717
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989718 can be divided by 32 positive divisors.
The sum of these divisors (counting 19989718) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100010000010011010110
3
Ternary
1101121120201221
4
Quaternary
1030100103112
5
Quinary
20104132333
6
Senary
1552240554
8
Octal
114202326
10
Decimal
19989718
12
Duodecimal
684015a
16
Hexadecimal
13104d6
20
Vigesimal
64ie5i
36
Base36
bwg5y
md5
4ddd9790b84600737f1d20c9cbcebc4b
sha1
d9024bfd78fd0e07e049e1a6dbcaa2256cd08bc1
sha256
f7b110802994310587b230b53c337d24c81b7b978feee2ce89ea5374c4178037
sha512
4c55bbc195c748c133f95b474846a122587dfb99762fca9503b115087197ac774be5525987e1354df57df361e8c4591d47a918e62b64de6bd88f229723a2808f
ripemd-160
7e857c3c77b53f95faf493b404697ca6900f3de4
Diameter
39979436
Circumference
125599102.43226
Area
1.255345319337E+15
Volume
3.345866523489E+22
Surface area
5.0213812773481E+15
Circumference
125599102.43226
Perimeter
79958872
Area
399588825719524
Diagonal
28269730.303614
Surface area
2397532954317144
Volume
7.9876679420844E+21
Space diagonal
34623207.204974
Perimeter
59969154
Area
1.7302703707075E+14
Altitude
17311603.602487
Surface area
1.7302703707075E+14
Volume
9.4135569461905E+20
Height
9423243.4345379