12168981 is an odd 8-digits composite number following 12168980
and preceding 12168982 . In scientific notation, it is written as 1.2168981 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 7374960 positive integers (up to 12168981) that are relatively prime to 12168981.
12168981 has 16 divisors, whose sum is 19667520
The reverse of 12168981 is 18986121
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million one hundred sixty-eight thousand nine hundred eighty-one
Scientific notation
1.2168981 × 10^7
Engineering notation
1.2168981 × 10^6
Prime Factorization
9 × 3 × 11 × 40973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12168981
Product of the distinct prime numbers
The prime factorization of 12168981 is 9 × 3 × 11 × 40973.
Since it has a total of 4 prime factors.
3 , 10 , 16 , 4 , 283 , 192 , 9216 , 8053 , 95368 , 70460 , 646191 , 413776 , 5359875 , 36838 , 29852457 , 25819448 , 988098863 , 42517276 , 1940666688 , 4315898371
n×2
24337962
n×3
36506943
n×4
48675924
n×5
60844905
n÷2
6084490.5
n÷3
4056327
n÷3
3042245.25
n÷5
2433796.2
n2
148084098578361
n3
1.8020325820022E+21
n4
2.1928900251766E+28
n5
2.6685237051463E+35
2 √n
3488.4066563404
3 √n
230.0124819943
4 √n
59.062734920933
5 √n
26.124671765203
1 , 3 , 9 , 11 , 27 , 33 , 99 , 297 , 40973 , 122919 , 368757 , 450703 , 1106271 , 1352109 , 4056327 , 12168981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12168980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12168981 can be divided by 16 positive divisors.
The sum of these divisors (counting 12168981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101110011010111100010101
3
Ternary
211220020201000
4
Quaternary
232122330111
5
Quinary
11103401411
6
Senary
1112453513
8
Octal
56327425
10
Decimal
12168981
12
Duodecimal
40aa299
16
Hexadecimal
b9af15
20
Vigesimal
3g1291
36
Base36
78tn9
md5
c26ff9a39dba56c3ed27268f045c6a3f
sha1
fbe7f279ad81d4228d55bbce801aeec279c57e5b
sha256
98a036557c32a952e648bf9932c37f20d671a11ae181668fa4edebc9afaec092
sha512
25dfac32914c06ac1af6712aae5e2e9dcc12d3f84d8a9c0c1480fa3624e11766444caa83b7b7064e0273f4042d8cff294e6d70cc408bd2366ead1e1893a26dea
ripemd-160
321cb40dcb986043f5457bd3163eb8d28bc409d3
Diameter
24337962
Circumference
76459962.622548
Area
4.6521991620725E+14
Volume
7.5483364281968E+21
Surface area
1.860879664829E+15
Circumference
76459962.622548
Perimeter
48675924
Area
148084098578361
Diagonal
17209537.970461
Surface area
888504591470166
Volume
1.8020325820022E+21
Space diagonal
21077293.36834
Perimeter
36506943
Area
64122295632690
Altitude
10538646.68417
Surface area
64122295632690
Volume
2.1237157644214E+20
Height
5736512.6568202