18972661 is an odd 8-digits prime number following 18972660
and preceding 18972662 . In scientific notation, it is written as 1.8972661 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 18972660 positive integers (up to 18972661) that are relatively prime to 18972661.
18972661 has 2 divisors, whose sum is 18972662
The reverse of 18972661 is 16627981
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred seventy-two thousand six hundred sixty-one
Scientific notation
1.8972661 × 10^7
Engineering notation
1.8972661 × 10^6
Prime Factorization
18972661
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18972661
Product of the distinct prime numbers
The prime factorization of 18972661 is 18972661.
Since it has a total of 1 prime factors.
6 , 8 , 46 , 86 , 714 , 814 , 8615 , 2900 , 73277 , 82866 , 164475 , 508908 , 175344 , 1194537 , 70582441 , 76909493 , 293744160 , 686801386 , 5891948520 , 3734069169
n×2
37945322
n×3
56917983
n×4
75890644
n×5
94863305
n÷2
9486330.5
n÷3
6324220.3333333
n÷3
4743165.25
n÷5
3794532.2
n2
359961865420921
n3
6.8294344455588E+21
n4
1.2957254455731E+29
n5
2.4583359627932E+36
2 √n
4355.7618162613
3 √n
266.71211846784
4 √n
65.99819555307
5 √n
28.551284354525
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18972662
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9486331
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4355.7619310518
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998945852
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18972661 can be divided by 2 positive divisors.
The sum of these divisors (counting 18972661) is 18972662, the average is 9486331.
Base
System
Value
2
Binary
1001000010111111111110101
3
Ternary
1022200220121011
4
Quaternary
1020113333311
5
Quinary
14324111121
6
Senary
1514352221
8
Octal
110277765
10
Decimal
18972661
12
Duodecimal
642b671
16
Hexadecimal
1217ff5
20
Vigesimal
5ibbd1
36
Base36
baned
md5
fdabf8869ffb7817907a455d67a0dcd8
sha1
aa382e6c376efe5188888f3be0dbdf6e76d0de82
sha256
c83e8961f275641f89860539ac5b2e7d14a196a1ea998c2507dea5d20eff7ee0
sha512
57926a0aaf8a47efa78206fc06314b33431da673ee01cf7ebe080a79c2b7029e0308648fd0b20d99a78168005075c13599755025aedde866addd83dab7180fdc
ripemd-160
4a16542fe933807eb5d2a1bc57b710d021d0f7c4
Diameter
37945322
Circumference
119208744.8333
Area
1.1308535519788E+15
Volume
2.8607068109787E+22
Surface area
4.5234142079154E+15
Circumference
119208744.8333
Perimeter
75890644
Area
359961865420921
Diagonal
26831394.500507
Surface area
2159771192525526
Volume
6.8294344455588E+21
Space diagonal
32861612.806781
Perimeter
56917983
Area
1.5586805992408E+14
Altitude
16430806.40339
Surface area
1.5586805992408E+14
Volume
8.048565680206E+20
Height
8943798.1668357