17961990 is an even 8-digits composite number following 17961989
and preceding 17961991 . In scientific notation, it is written as 1.7961990 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 4687584 positive integers (up to 17961990) that are relatively prime to 17961990.
17961990 has 32 divisors, whose sum is 44029440
The reverse of 17961990 is 09916971
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventeen million nine hundred sixty-one thousand nine hundred ninety
Scientific notation
1.7961990 × 10^7
Engineering notation
1.7961990 × 10^6
Prime Factorization
2 × 5 × 3 × 47 × 12739
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17961990
Product of the distinct prime numbers
The prime factorization of 17961990 is 2 × 5 × 3 × 47 × 12739.
Since it has a total of 5 prime factors.
5 , 8 , 14 , 80 , 759 , 97 , 6384 , 998 , 15217 , 58163 , 158767 , 102128 , 1130844 , 2273070 , 96412987 , 28954602 , 125501247 , 538980769 , 4727476925 , 3743611885
n×2
35923980
n×3
53885970
n×4
71847960
n×5
89809950
n÷2
8980995
n÷3
5987330
n÷3
4490497.5
n÷5
3592398
n2
322633084760100
n3
5.7951322421301E+21
n4
1.0409210738182E+29
n5
1.8697013918711E+36
2 √n
4238.1587983463
3 √n
261.8895383464
4 √n
65.10114283441
5 √n
28.240403006635
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 47 , 94 , 141 , 235 , 282 , 470 , 705 , 1410 , 12739 , 25478 , 38217 , 63695 , 76434 , 127390 , 191085 , 382170 , 598733 , 1197466 , 1796199 , 2993665 , 3592398 , 5987330 , 8980995 , 17961990
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
-17961989
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 17961990 can be divided by 32 positive divisors.
The sum of these divisors (counting 17961990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000100100001010000000110
3
Ternary
1020210120012220
4
Quaternary
1010201100012
5
Quinary
14044240430
6
Senary
1440553210
8
Octal
104412006
10
Decimal
17961990
12
Duodecimal
6022806
16
Hexadecimal
1121406
20
Vigesimal
5c54ja
36
Base36
aozk6
md5
f7b12944eb6c76a3623f4e008ea494e2
sha1
3b5793d82059691831cb28846279794afbc52044
sha256
d525e4e7cb71038b79446bf372200af1ad15dadf6146f3f17408d19e17357aba
sha512
e97f6da7db025b2503261f65ccba0127083e8213fd8ba1a260b81b7dd6090fd1e9d726963d66cc4920dbf08b32680d21480fa235b5544b9532bc213f06a918de
ripemd-160
abbd8170354512324741a7ccb3cea957c60243f9
Diameter
35923980
Circumference
112858511.65571
Area
1.0135817288873E+15
Volume
2.4274593171276E+22
Surface area
4.0543269155494E+15
Circumference
112858511.65571
Perimeter
71847960
Area
322633084760100
Diagonal
25402089.86521
Surface area
1935798508560600
Volume
5.7951322421301E+21
Space diagonal
31111079.285044
Perimeter
53885970
Area
1.3970422375179E+14
Altitude
15555539.642522
Surface area
1.3970422375179E+14
Volume
6.829628843805E+20
Height
8467363.2884033