12387946 is an even 8-digits composite number following 12387945
and preceding 12387947 . In scientific notation, it is written as 1.2387946 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 6193972 positive integers (up to 12387946) that are relatively prime to 12387946.
12387946 has 4 divisors, whose sum is 18581922
The reverse of 12387946 is 64978321
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million three hundred eighty-seven thousand nine hundred forty-six
Scientific notation
1.2387946 × 10^7
Engineering notation
1.2387946 × 10^6
Prime Factorization
2 × 6193973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12387946
Product of the distinct prime numbers
The prime factorization of 12387946 is 2 × 6193973.
Since it has a total of 2 prime factors.
10 , 8 , 8 , 16 , 144 , 318 , 5148 , 8126 , 86092 , 5165 , 527927 , 494639 , 5212964 , 2289343 , 36461337 , 22978072 , 564550095 , 828975529 , 3020520371 , 175343620
n×2
24775892
n×3
37163838
n×4
49551784
n×5
61939730
n÷2
6193973
n÷3
4129315.3333333
n÷3
3096986.5
n÷5
2477589.2
n2
153461206098916
n3
1.9010691342482E+21
n4
2.3550341777334E+28
n5
2.9174036221916E+35
2 √n
3519.6514031932
3 √n
231.3838809852
4 √n
59.326650025037
5 √n
26.21801820647
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12387945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12387946 can be divided by 4 positive divisors.
The sum of these divisors (counting 12387946) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111010000011001101010
3
Ternary
212022101001211
4
Quaternary
233100121222
5
Quinary
11132403241
6
Senary
1121303334
8
Octal
57203152
10
Decimal
12387946
12
Duodecimal
4194b4a
16
Hexadecimal
bd066a
20
Vigesimal
3h89h6
36
Base36
7dilm
md5
fefdedcfb2611ad88732692ff979bdd5
sha1
c54c82d284c9d5e9e1b75b92d5630bed06374877
sha256
012f1053ce3fc224a06f701abf2bf317683bfbab1ae676653ddee6a1dd4efeff
sha512
b4decd413bbb64be825071a0c61c044af80628ecf167462821fa4ac9c6e992fbd7665fc5f395fe02a788caeba28e42efdf47159a4131b5137d75fccd9486d289
ripemd-160
9c2f6c3201ca3a6b5d0b484559935797e405f3d6
Diameter
24775892
Circumference
77835760.293334
Area
4.8211259769138E+14
Volume
7.9631797681608E+21
Surface area
1.9284503907655E+15
Circumference
77835760.293334
Perimeter
49551784
Area
153461206098916
Diagonal
17519201.243146
Surface area
920767236593496
Volume
1.9010691342482E+21
Space diagonal
21456551.87342
Perimeter
37163838
Area
66450651488530
Altitude
10728275.93671
Surface area
66450651488530
Volume
2.2404314605523E+20
Height
5839733.7477152