19987098 is an even 8-digits composite number following 19987097
and preceding 19987099 . In scientific notation, it is written as 1.9987098 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 6650336 positive integers (up to 19987098) that are relatively prime to 19987098.
19987098 has 16 divisors, whose sum is 40046400
The reverse of 19987098 is 89078991
Previous prime number is 617
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million nine hundred eighty-seven thousand ninety-eight
Scientific notation
1.9987098 × 10^7
Engineering notation
1.9987098 × 10^6
Prime Factorization
2 × 3 × 617 × 5399
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19987098
Product of the distinct prime numbers
The prime factorization of 19987098 is 2 × 3 × 617 × 5399.
Since it has a total of 4 prime factors.
1 , 6 , 49 , 4 , 942 , 597 , 6325 , 6924 , 53311 , 66357 , 448820 , 405463 , 43561 , 178129 , 29653136 , 45205147 , 565858716 , 284037460 , 6991428615 , 8022686988
n×2
39974196
n×3
59961294
n×4
79948392
n×5
99935490
n÷2
9993549
n÷3
6662366
n÷3
4996774.5
n÷5
3997419.6
n2
399484086461604
n3
7.9845275855486E+21
n4
1.5958753533606E+29
n5
3.1896917083403E+36
2 √n
4470.6932348351
3 √n
271.38338007689
4 √n
66.863242778339
5 √n
28.850274414319
1 , 2 , 3 , 6 , 617 , 1234 , 1851 , 3702 , 5399 , 10798 , 16197 , 32394 , 3331183 , 6662366 , 9993549 , 19987098
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
-19987097
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 19987098 can be divided by 16 positive divisors.
The sum of these divisors (counting 19987098) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111101010011010
3
Ternary
1101121110010220
4
Quaternary
1030033222122
5
Quinary
20104041343
6
Senary
1552220510
8
Octal
114175232
10
Decimal
19987098
12
Duodecimal
683a736
16
Hexadecimal
130fa9a
20
Vigesimal
64i7ei
36
Base36
bwe56
md5
201e2bcc4f7516635dc7e91eeb99ac0e
sha1
ca49f4b0b4776ae5d585e3e1d68fcdedbf482fab
sha256
558b1f4dc6675dbe05bbbfa17df72aed70156a72b0c831c5e616b11c2209292c
sha512
5703b269b71d7ccd2b4390a67567f27a32b150252b2a225d46d37f9205bbf017ef58466f20f28fec07a80c8d91b3aadb23849aac97de3042ca110a03957734f0
ripemd-160
f56222521432f5ef453d7896886df264fafc16d7
Diameter
39974196
Circumference
125582640.48676
Area
1.2550162712538E+15
Volume
3.3445510940193E+22
Surface area
5.0200650850152E+15
Circumference
125582640.48676
Perimeter
79948392
Area
399484086461604
Diagonal
28266025.06408
Surface area
2396904518769624
Volume
7.9845275855486E+21
Space diagonal
34618669.231858
Perimeter
59961294
Area
1.7298168364168E+14
Altitude
17309334.615929
Surface area
1.7298168364168E+14
Volume
9.4098560005207E+20
Height
9422008.3546934