18996861 is an odd 8-digits composite number following 18996860
and preceding 18996862 . In scientific notation, it is written as 1.8996861 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 11690352 positive integers (up to 18996861) that are relatively prime to 18996861.
18996861 has 8 divisors, whose sum is 27277600
The reverse of 18996861 is 16869981
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighteen million nine hundred ninety-six thousand eight hundred sixty-one
Scientific notation
1.8996861 × 10^7
Engineering notation
1.8996861 × 10^6
Prime Factorization
3 × 13 × 487099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18996861
Product of the distinct prime numbers
The prime factorization of 18996861 is 3 × 13 × 487099.
Since it has a total of 3 prime factors.
2 , 9 , 51 , 14 , 170 , 970 , 1293 , 1996 , 5645 , 11512 , 5309 , 705651 , 9893824 , 1744125 , 42483654 , 69751076 , 124152592 , 35411826 , 7329584883 , 537330730
n×2
37993722
n×3
56990583
n×4
75987444
n×5
94984305
n÷2
9498430.5
n÷3
6332287
n÷3
4749215.25
n÷5
3799372.2
n2
360880727853321
n3
6.8556010246084E+21
n4
1.3023489973594E+29
n5
2.4740542876326E+36
2 √n
4358.5388606734
3 √n
266.82546912817
4 √n
66.01923099123
5 √n
28.558564185513
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
-18996860
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 18996861 can be divided by 8 positive divisors.
The sum of these divisors (counting 18996861) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011101111001111101
3
Ternary
1022202010210110
4
Quaternary
1020131321331
5
Quinary
14330344421
6
Senary
1515100233
8
Octal
110357175
10
Decimal
18996861
12
Duodecimal
6441679
16
Hexadecimal
121de7d
20
Vigesimal
5iec31
36
Base36
bb62l
md5
7a8b1d3b36b41e8a605fe7e4d51cf6fd
sha1
f38f9ddf3879739ea91764300e0597c1415e2af4
sha256
a421bd3c911a9c743c3579e0784e8f74b0ce80729d31f7601af67f7c7e946383
sha512
0e9de40b49db6a379eafec9b2f6086ce71dd746b606b03819d4fd278653a9be29d2e89105890aeb28420f98fcbc2f28d4f8bb69ca084a470750986448a9f43ef
ripemd-160
70936df00259688b9548a1424e6f88751fea4d9e
Diameter
37993722
Circumference
119360797.91773
Area
1.1337402434461E+15
Volume
2.8716674419803E+22
Surface area
4.5349609737845E+15
Circumference
119360797.91773
Perimeter
75987444
Area
360880727853321
Diagonal
26865618.468717
Surface area
2165284367119926
Volume
6.8556010246084E+21
Space diagonal
32903528.436324
Perimeter
56990583
Area
1.562659390286E+14
Altitude
16451764.218162
Surface area
1.562659390286E+14
Volume
8.07940328935E+20
Height
8955206.1562388