18997613 is an odd 8-digits composite number following 18997612
and preceding 18997614 . In scientific notation, it is written as 1.8997613 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 6 positive divisors.
There are 18482832 positive integers (up to 18997613) that are relatively prime to 18997613.
18997613 has 6 divisors, whose sum is 19526346
The reverse of 18997613 is 31679981
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighteen million nine hundred ninety-seven thousand six hundred thirteen
Scientific notation
1.8997613 × 10^7
Engineering notation
1.8997613 × 10^6
Prime Factorization
37 × 37 × 13877
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
513449
Product of the distinct prime numbers
The prime factorization of 18997613 is 37 × 37 × 13877.
Since it has a total of 3 prime factors.
5 , 9 , 42 , 12 , 1 , 686 , 2505 , 3639 , 77689 , 8998 , 643577 , 343013 , 1975394 , 5048283 , 92433376 , 98767363 , 657125671 , 387422184 , 3178797001 , 2071184836
n×2
37995226
n×3
56992839
n×4
75990452
n×5
94988065
n÷2
9498806.5
n÷3
6332537.6666667
n÷3
4749403.25
n÷5
3799522.6
n2
360909299697769
n3
6.8564152037592E+21
n4
1.3025552260833E+29
n5
2.4745440096259E+36
2 √n
4358.625127262
3 √n
266.82898988712
4 √n
66.019884332389
5 √n
28.558790282869
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18997612
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18997613 can be divided by 6 positive divisors.
The sum of these divisors (counting 18997613) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001000011110000101101101
3
Ternary
1022202011211022
4
Quaternary
1020132011231
5
Quinary
14330410423
6
Senary
1515103525
8
Octal
110360555
10
Decimal
18997613
12
Duodecimal
6441ba5
16
Hexadecimal
121e16d
20
Vigesimal
5iee0d
36
Base36
bb6nh
md5
0bf8071a012820db677aa2060d00074d
sha1
fa772c2fdfba487974b3269b439d20a300ae753d
sha256
3b0b1dbef5a00800a3317493e00242f16ed19c041315a5f980cf44a63d733ec9
sha512
38757f41ad4a38c5695f50c4845228260f1e244b85bb9847f04ae4f2291ff8f0fea74099615b28757c201daa2de0d07e7c18c0c795df62e4e980be90b287af75
ripemd-160
409aeb147cfc08866d2448e8556f88f21f1293dd
Diameter
37995226
Circumference
119365522.87308
Area
1.1338300045427E+15
Volume
2.8720084845455E+22
Surface area
4.535320018171E+15
Circumference
119365522.87308
Perimeter
75990452
Area
360909299697769
Diagonal
26866681.957315
Surface area
2165455798186614
Volume
6.8564152037592E+21
Space diagonal
32904830.938531
Perimeter
56992839
Area
1.5627831100016E+14
Altitude
16452415.469266
Surface area
1.5627831100016E+14
Volume
8.0803628086812E+20
Height
8955560.6524385