120987139 is an odd 9-digits composite number following 120987138
and preceding 120987140 . In scientific notation, it is written as 1.20987139 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 95726016 positive integers (up to 120987139) that are relatively prime to 120987139.
120987139 has 8 divisors, whose sum is 148907360
The reverse of 120987139 is 931789021
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty million nine hundred eighty-seven thousand one hundred thirty-nine
Scientific notation
1.20987139 × 10^8
Engineering notation
1.20987139 × 10^6
Prime Factorization
7 × 13 × 1329529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
120987139
Product of the distinct prime numbers
The prime factorization of 120987139 is 7 × 13 × 1329529.
Since it has a total of 3 prime factors.
8 , 6 , 93 , 26 , 965 , 494 , 8786 , 8220 , 35103 , 12486 , 324017 , 979164 , 7869286 , 7150423 , 26431610 , 92129427 , 539925931 , 706215691 , 1444477173 , 2394919513
n×2
241974278
n×3
362961417
n×4
483948556
n×5
604935695
n÷2
60493569.5
n÷3
40329046.333333
n÷3
30246784.75
n÷5
24197427.8
n2
14637887803405321
n3
1.770996166337E+24
n4
2.1426775934508E+32
n5
2.5923643183102E+40
2 √n
10999.415393556
3 √n
494.59121983879
4 √n
104.87809777812
5 √n
41.356887013277
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-120987138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 120987139 can be divided by 8 positive divisors.
The sum of these divisors (counting 120987139) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001101100001111000000011
3
Ternary
22102122210011011
4
Quaternary
13031201320003
5
Quinary
221433042024
6
Senary
20001101351
8
Octal
715417003
10
Decimal
120987139
12
Duodecimal
34627857
16
Hexadecimal
7361e03
20
Vigesimal
1hg37gj
36
Base36
20169v
md5
cb46246a22de7bf97053db4f57143081
sha1
e2e45aa32c2dc2542c0ccab03ba5230e3f1c39ce
sha256
bc64cdfe80a68b1fbd70277dfd57933b8be0f1e0b61c34363cd8748762a4111d
sha512
8924870118a6a033b1eee19484052501e7b2964b9c050a656874d66949b6018a065fbabcebf22896c13b36d4596d58ab56ba3b38f8a2b4bde2d278e02052e59c
ripemd-160
0c2abee26660de90b2edbc0832ea6f06ed78e19e
Diameter
241974278
Circumference
760184614.12249
Area
4.598628078725E+16
Volume
7.4183313942667E+24
Surface area
1.83945123149E+17
Circumference
760184614.12249
Perimeter
483948556
Area
14637887803405321
Diagonal
171101652.84652
Surface area
87827326820431926
Volume
1.770996166337E+24
Space diagonal
209555871.8104
Perimeter
362961417
Area
6.3383913477477E+15
Altitude
104777935.9052
Surface area
6.3383913477477E+15
Volume
2.0871389977871E+23
Height
57033884.282173