9780139978 is an even 10-digits composite number following 9780139977
and preceding 9780139979 . In scientific notation, it is written as 9.780139978 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 4191488556 positive integers (up to 9780139978) that are relatively prime to 9780139978.
9780139978 has 8 divisors, whose sum is 16765954272
The reverse of 9780139978 is 8799310879
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 61
Digital Root 7
Name
nine billion seven hundred eighty million one hundred thirty-nine thousand nine hundred seventy-eight
Scientific notation
9.780139978 × 10^9
Engineering notation
9.780139978 × 10^9
Prime Factorization
2 × 7 × 698581427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9780139978
Product of the distinct prime numbers
The prime factorization of 9780139978 is 2 × 7 × 698581427.
Since it has a total of 3 prime factors.
8 , 10 , 91 , 56 , 811 , 596 , 2427 , 2842 , 35613 , 69102 , 142982 , 929285 , 6967983 , 3642100 , 73625718 , 49125480 , 763749038 , 682484707 , 6950922517 , 6462026164
n×2
19560279956
n×3
29340419934
n×4
39120559912
n×5
48900699890
n÷2
4890069989
n÷3
3260046659.3333
n÷3
2445034994.5
n÷5
1956027995.6
n2
9.5651137989274E+19
n3
9.3548151859009E+29
n4
9.1491401986431E+39
n5
8.9479871821076E+49
2 √n
98894.590236271
3 √n
2138.5284070024
4 √n
314.47510272877
5 √n
99.556361070303
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
-9780139977
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 9780139978 can be divided by 8 positive divisors.
The sum of these divisors (counting 9780139978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000110111100010001011111001010
3
Ternary
221020121001120212121
4
Quaternary
21012330101133022
5
Quinary
130012203434403
6
Senary
4254250201454
8
Octal
110674213712
10
Decimal
9780139978
12
Duodecimal
1a8b42328a
16
Hexadecimal
246f117ca
20
Vigesimal
7cg5h9ii
36
Base36
4hqucay
md5
8fa3bd37fe629368356f3df32f4454d2
sha1
c7907e74561a1507d3e9079b642e7f10f01b0bb4
sha256
616931f4a1c134fb522d87f53576094d8f2fd98ed33d21b0c7fe12e11cf5a7ad
sha512
aa93d15f9f9dcc013f50de6c10ccf186e1f3f1ac58bd7e6a83ef70acce47d318f11917a7a88d0cf8fecd92d1ae6f919f247b14ef7e66c7c83885ab81c6dcd3a1
ripemd-160
44de9de448930262a494a18935e2061ebf78f329
Diameter
19560279956
Circumference
61450431811.929
Area
3.0049691241461E+20
Volume
3.9185358218289E+30
Surface area
1.2019876496584E+21
Circumference
61450431811.929
Perimeter
39120559912
Area
9.5651137989274E+19
Diagonal
13831206598.795
Surface area
5.7390682793564E+20
Volume
9.3548151859009E+29
Space diagonal
16939699347.032
Perimeter
29340419934
Area
4.1418157699801E+19
Altitude
8469849673.5158
Surface area
4.1418157699801E+19
Volume
1.1024755424496E+29
Height
4610402199.5983