12151985 is an odd 8-digits composite number following 12151984
and preceding 12151986 . In scientific notation, it is written as 1.2151985 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 9721584 positive integers (up to 12151985) that are relatively prime to 12151985.
12151985 has 4 divisors, whose sum is 14582388
The reverse of 12151985 is 58915121
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million one hundred fifty-one thousand nine hundred eighty-five
Scientific notation
1.2151985 × 10^7
Engineering notation
1.2151985 × 10^6
Prime Factorization
5 × 2430397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12151985
Product of the distinct prime numbers
The prime factorization of 12151985 is 5 × 2430397.
Since it has a total of 2 prime factors.
7 , 3 , 25 , 69 , 649 , 315 , 3243 , 7731 , 42163 , 54655 , 309230 , 840216 , 8470754 , 6977583 , 46504394 , 54469771 , 39316957 , 649362640 , 5670707724 , 3777605892
n×2
24303970
n×3
36455955
n×4
48607940
n×5
60759925
n÷2
6075992.5
n÷3
4050661.6666667
n÷3
3037996.25
n÷5
2430397
n2
147670739440225
n3
1.7944926106165E+21
n4
2.1806647286823E+28
n5
2.6499405072976E+35
2 √n
3485.9697359558
3 √n
229.90534857727
4 √n
59.042101384993
5 √n
26.117370197625
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
-12151984
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 12151985 can be divided by 4 positive divisors.
The sum of these divisors (counting 12151985) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110010110110010110001
3
Ternary
211212101101112
4
Quaternary
232112302301
5
Quinary
11102330420
6
Senary
1112243105
8
Octal
56266261
10
Decimal
12151985
12
Duodecimal
40a0495
16
Hexadecimal
b96cb1
20
Vigesimal
3fijj5
36
Base36
78gj5
md5
125819ee39bb782a2b7fd287b9775d98
sha1
2445457a4d466d4e16ee515a50d56dd4f7a2329d
sha256
62329708b2fbbe5a962b35d1ac1299d2c41f66d6e310b4ac4854404ad7c36f42
sha512
7b89642a646b05026c808af267fbf1c65699e283d3f91519665ca32b001235a11f12c7b2287d160153f347422866342d1c885232d4041945b2eff49eb2be56f3
ripemd-160
e0b7d7bfe30873b834184b0ad4f72d8645444f2e
Diameter
24303970
Circumference
76353173.605067
Area
4.6392131017558E+14
Volume
7.516753069912E+21
Surface area
1.8556852407023E+15
Circumference
76353173.605067
Perimeter
48607940
Area
147670739440225
Diagonal
17185501.996754
Surface area
886024436641350
Volume
1.7944926106165E+21
Space diagonal
21047855.432815
Perimeter
36455955
Area
63943305875434
Altitude
10523927.716407
Surface area
63943305875434
Volume
2.1148298229268E+20
Height
5728500.6655848