12115978 is an even 8-digits composite number following 12115977
and preceding 12115979 . In scientific notation, it is written as 1.2115978 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 5024880 positive integers (up to 12115978) that are relatively prime to 12115978.
12115978 has 16 divisors, whose sum is 21441024
The reverse of 12115978 is 87951121
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million one hundred fifteen thousand nine hundred seventy-eight
Scientific notation
1.2115978 × 10^7
Engineering notation
1.2115978 × 10^6
Prime Factorization
2 × 7 × 31 × 27917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12115978
Product of the distinct prime numbers
The prime factorization of 12115978 is 2 × 7 × 31 × 27917.
Since it has a total of 4 prime factors.
7 , 4 , 49 , 49 , 605 , 201 , 5497 , 1648 , 41456 , 69058 , 59244 , 376157 , 8676335 , 6933295 , 20201663 , 90344920 , 663873499 , 28654888 , 6712732114 , 2305877488
n×2
24231956
n×3
36347934
n×4
48463912
n×5
60579890
n÷2
6057989
n÷3
4038659.3333333
n÷3
3028994.5
n÷5
2423195.6
n2
146796922896484
n3
1.7785882882815E+21
n4
2.1549336571876E+28
n5
2.6109128781945E+35
2 √n
3480.8013445182
3 √n
229.67804986495
4 √n
58.998316454948
5 √n
26.101874379834
1 , 2 , 7 , 14 , 31 , 62 , 217 , 434 , 27917 , 55834 , 195419 , 390838 , 865427 , 1730854 , 6057989 , 12115978
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
-12115977
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 12115978 can be divided by 16 positive divisors.
The sum of these divisors (counting 12115978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101110001110000000001010
3
Ternary
211210112222221
4
Quaternary
232032000022
5
Quinary
11100202403
6
Senary
1111404254
8
Octal
56160012
10
Decimal
12115978
12
Duodecimal
408368a
16
Hexadecimal
b8e00a
20
Vigesimal
3fe9ii
36
Base36
77oqy
md5
85c1009598d92c08cff708ef917d89bf
sha1
232b8cc84ed64cc65c8d647654def73b416578e1
sha256
8fab12dc0d3642ee380b953d65a77dd0fdb90b30f41e0f9406053cb0b7d05a0f
sha512
0de4f9e69bd79d4d355e36fea81cf7486d91cab775455880258f3c3cd9c7eba9fc2a232060a814a9c8fed77d6c6d8a31893fc28001a5beaf1b6b41922e2bf06f
ripemd-160
638d466220da14864a263a6852252b5902fdb848
Diameter
24231956
Circumference
76126934.951711
Area
4.6117613454118E+14
Volume
7.4501332003013E+21
Surface area
1.8447045381647E+15
Circumference
76126934.951711
Perimeter
48463912
Area
146796922896484
Diagonal
17134580.409014
Surface area
880781537378904
Volume
1.7785882882815E+21
Space diagonal
20985489.479387
Perimeter
36347934
Area
63564932212870
Altitude
10492744.739693
Surface area
63564932212870
Volume
2.0960863993047E+20
Height
5711526.8030047