9780139981 is an odd 10-digits composite number following 9780139980
and preceding 9780139982 . In scientific notation, it is written as 9.780139981 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 9779868252 positive integers (up to 9780139981) that are relatively prime to 9780139981.
9780139981 has 4 divisors, whose sum is 9780411712
The reverse of 9780139981 is 1899310879
Previous prime number is 42703
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
nine billion seven hundred eighty million one hundred thirty-nine thousand nine hundred eighty-one
Scientific notation
9.780139981 × 10^9
Engineering notation
9.780139981 × 10^9
Prime Factorization
42703 × 229027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
9780139981
Product of the distinct prime numbers
The prime factorization of 9780139981 is 42703 × 229027.
Since it has a total of 2 prime factors.
7 , 3 , 71 , 52 , 798 , 417 , 4700 , 8056 , 44290 , 98568 , 963275 , 345830 , 5749249 , 1992930 , 35219900 , 13176598 , 480539138 , 26166565 , 1467416531 , 5764621619
n×2
19560279962
n×3
29340419943
n×4
39120559924
n×5
48900699905
n÷2
4890069990.5
n÷3
3260046660.3333
n÷3
2445034995.25
n÷5
1956027996.2
n2
9.5651138047955E+19
n3
9.3548151945095E+29
n4
9.1491402098689E+39
n5
8.9479871958313E+49
2 √n
98894.590251439
3 √n
2138.5284072211
4 √n
314.47510275289
5 √n
99.55636107641
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
-9780139980
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 9780139981 can be divided by 4 positive divisors.
The sum of these divisors (counting 9780139981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000110111100010001011111001101
3
Ternary
221020121001120212201
4
Quaternary
21012330101133031
5
Quinary
130012203434411
6
Senary
4254250201501
8
Octal
110674213715
10
Decimal
9780139981
12
Duodecimal
1a8b423291
16
Hexadecimal
246f117cd
20
Vigesimal
7cg5h9j1
36
Base36
4hqucb1
md5
99bf87abdda141053d5db4a2afe1c5c6
sha1
d7ac58f74cdd506dfa5d991fee03ed61ebb203b9
sha256
27f6d431e3574fac04804d354d7aa231a6a868f6cd5249bc8f4b8776bac32d67
sha512
fe5ceec6d7efe777a53271a75910c8fbdbce725f3c3bc6f3e531a75b8a14fed61e6c8fd0659ad25143efd82ec925f44c567c79fb833d59a83e1779063cb62d88
ripemd-160
6465fdf518e0e6fa38a8ff2b919f085e9def5d4b
Diameter
19560279962
Circumference
61450431830.779
Area
3.0049691259896E+20
Volume
3.9185358254348E+30
Surface area
1.2019876503958E+21
Circumference
61450431830.779
Perimeter
39120559924
Area
9.5651138047955E+19
Diagonal
13831206603.038
Surface area
5.7390682828773E+20
Volume
9.3548151945095E+29
Space diagonal
16939699352.228
Perimeter
29340419943
Area
4.1418157725211E+19
Altitude
8469849676.1139
Surface area
4.1418157725211E+19
Volume
1.1024755434641E+29
Height
4610402201.0125