19987066 is an even 8-digits composite number following 19987065
and preceding 19987067 . In scientific notation, it is written as 1.9987066 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 9085020 positive integers (up to 19987066) that are relatively prime to 19987066.
19987066 has 8 divisors, whose sum is 32706144
The reverse of 19987066 is 66078991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred eighty-seven thousand sixty-six
Scientific notation
1.9987066 × 10^7
Engineering notation
1.9987066 × 10^6
Prime Factorization
2 × 11 × 908503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19987066
Product of the distinct prime numbers
The prime factorization of 19987066 is 2 × 11 × 908503.
Since it has a total of 3 prime factors.
3 , 8 , 91 , 20 , 999 , 263 , 955 , 9875 , 79301 , 21583 , 294840 , 928946 , 2427817 , 6441491 , 74703796 , 41477725 , 173274123 , 667442230 , 3808988237 , 9386816054
n×2
39974132
n×3
59961198
n×4
79948264
n×5
99935330
n÷2
9993533
n÷3
6662355.3333333
n÷3
4996766.5
n÷5
3997413.2
n2
399482807288356
n3
7.9844892351377E+21
n4
1.5958651331899E+29
n5
3.1896661744164E+36
2 √n
4470.6896559703
3 √n
271.38323524558
4 √n
66.863216015761
5 √n
28.850265176265
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19987065
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19987066 can be divided by 8 positive divisors.
The sum of these divisors (counting 19987066) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001111101001111010
3
Ternary
1101121110002201
4
Quaternary
1030033221322
5
Quinary
20104041231
6
Senary
1552220414
8
Octal
114175172
10
Decimal
19987066
12
Duodecimal
683a70a
16
Hexadecimal
130fa7a
20
Vigesimal
64i7d6
36
Base36
bwe4a
md5
61a534b676baadb303590981275ed2fe
sha1
fd6ffe9bcf7e92b18fe7a94a8e5383ada81683be
sha256
4eb34aa0c13594d3ac4e0f6a64fb88eff726e7ed67f580aba08937c82e373110
sha512
80ff32af6dcef6f22e3b4a4d074a3be1817d01e1dd84a576090f422853057e41016f38da3081eec47ac0fbe15bc8c20e24aef786e26a46292b8a61976634cc99
ripemd-160
346e6cdb8093706e7b078bbac547c277ce6de82d
Diameter
39974132
Circumference
125582439.42483
Area
1.2550122526125E+15
Volume
3.3445350298367E+22
Surface area
5.0200490104501E+15
Circumference
125582439.42483
Perimeter
79948264
Area
399482807288356
Diagonal
28265979.809246
Surface area
2396896843730136
Volume
7.9844892351377E+21
Space diagonal
34618613.806232
Perimeter
59961198
Area
1.7298112974342E+14
Altitude
17309306.903116
Surface area
1.7298112974342E+14
Volume
9.409810804128E+20
Height
9421993.2697487