18990156 is an even 8-digits composite number following 18990155
and preceding 18990157 . In scientific notation, it is written as 1.8990156 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 5957632 positive integers (up to 18990156) that are relatively prime to 18990156.
18990156 has 24 divisors, whose sum is 46917360
The reverse of 18990156 is 65109981
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million nine hundred ninety thousand one hundred fifty-six
Scientific notation
1.8990156 × 10^7
Engineering notation
1.8990156 × 10^6
Prime Factorization
2 × 2 × 3 × 17 × 93089
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9495078
Product of the distinct prime numbers
The prime factorization of 18990156 is 2 × 2 × 3 × 17 × 93089.
Since it has a total of 5 prime factors.
2 , 7 , 63 , 71 , 401 , 138 , 2736 , 9950 , 23114 , 58773 , 346316 , 178943 , 2982502 , 5367996 , 87382975 , 57539230 , 203879034 , 844812497 , 3189350745 , 7111023865
n×2
37980312
n×3
56970468
n×4
75960624
n×5
94950780
n÷2
9495078
n÷3
6330052
n÷3
4747539
n÷5
3798031.2
n2
360626024904336
n3
6.8483444705932E+21
n4
1.300511298383E+29
n5
2.4696912436056E+36
2 √n
4357.7696130016
3 √n
266.79407314654
4 √n
66.013404797826
5 √n
28.556547934379
1 , 2 , 3 , 4 , 6 , 12 , 17 , 34 , 51 , 68 , 102 , 204 , 93089 , 186178 , 279267 , 372356 , 558534 , 1117068 , 1582513 , 3165026 , 4747539 , 6330052 , 9495078 , 18990156
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18990155
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18990156 can be divided by 24 positive divisors.
The sum of these divisors (counting 18990156) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000011100010001001100
3
Ternary
1022201210121010
4
Quaternary
1020130101030
5
Quinary
14330141111
6
Senary
1515005220
8
Octal
110342114
10
Decimal
18990156
12
Duodecimal
6439810
16
Hexadecimal
121c44c
20
Vigesimal
5idf7g
36
Base36
bb0wc
md5
8a39f845a18ee32778f67373d6e88c2c
sha1
f3925014cebdb755a71bff4e8ca594ff3a82f57f
sha256
f463d636b64fcb241afeaddac9802cb3236a0c0bd1d8cd7b0bb79a7f9d23d159
sha512
0cd940f73b5af7d0591b440660187cdebc6c419cd2b78b8fba31fac4636e29a70b134125f280cfbd6c47e3f655a2cd558516b97899a7d9229af1a62263d46570
ripemd-160
6101b972300b3e6aa7e89bb7ba5fd81030e3a9c9
Diameter
37980312
Circumference
119318669.16025
Area
1.1329400705328E+15
Volume
2.8686278237424E+22
Surface area
4.531760282131E+15
Circumference
119318669.16025
Perimeter
75960624
Area
360626024904336
Diagonal
26856136.166781
Surface area
2163756149426016
Volume
6.8483444705932E+21
Space diagonal
32891915.035659
Perimeter
56970468
Area
1.5615564941648E+14
Altitude
16445957.517829
Surface area
1.5615564941648E+14
Volume
8.0708513584298E+20
Height
8952045.3889269