7979961805 is an odd 10-digits composite number following 7979961804
and preceding 7979961806 . In scientific notation, it is written as 7.979961805 × 10^9.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 6383969440 positive integers (up to 7979961805) that are relatively prime to 7979961805.
7979961805 has 4 divisors, whose sum is 9575954172
The reverse of 7979961805 is 5081699797
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
seven billion nine hundred seventy-nine million nine hundred sixty-one thousand eight hundred five
Scientific notation
7.979961805 × 10^9
Engineering notation
7.979961805 × 10^9
Prime Factorization
5 × 1595992361
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7979961805
Product of the distinct prime numbers
The prime factorization of 7979961805 is 5 × 1595992361.
Since it has a total of 2 prime factors.
7 , 5 , 91 , 50 , 189 , 567 , 9392 , 225 , 94675 , 64975 , 502241 , 546363 , 6256958 , 3029268 , 91459371 , 1252725 , 779767186 , 938313899 , 1075057505 , 9519739578
n×2
15959923610
n×3
23939885415
n×4
31919847220
n×5
39899809025
n÷2
3989980902.5
n÷3
2659987268.3333
n÷3
1994990451.25
n÷5
1595992361
n2
6.3679790409259E+19
n3
5.0816229521629E+29
n4
4.0551157065671E+39
n5
3.2359668453261E+49
2 √n
89330.631952315
3 √n
1998.3287542745
4 √n
298.8823045152
5 √n
95.587292961601
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
-7979961804
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 7979961805 can be divided by 4 positive divisors.
The sum of these divisors (counting 7979961805) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011011101001001000110111001101
3
Ternary
202121010201001122221
4
Quaternary
13123221020313031
5
Quinary
112320332234210
6
Senary
3355502135341
8
Octal
73351106715
10
Decimal
7979961805
12
Duodecimal
1668581551
16
Hexadecimal
1dba48dcd
20
Vigesimal
64def4a5
36
Base36
3nz29xp
md5
edd5860a1a0ac8e5d8932d65774ea4f2
sha1
c2d004c7cf3e9bfa909d7b4ef2320ef16309dee7
sha256
67b3ff8a79bf5740bfc8dbb62ff74f6e63326b91310ef70ff7f20b2831b287a7
sha512
c2e3768ff81e87db720326e16e9aee7000b35e1dc87fdf76fb84b4c1bfd87cd69207961d5e3f0a34cb61c824269870961825db532e2e0e9e928418c9766046aa
ripemd-160
8a1ef925a5679c59a018a1a6603cf79d1c9a3396
Diameter
15959923610
Circumference
50139578765.03
Area
2.0005596173187E+20
Volume
2.1285852446438E+30
Surface area
8.0022384692746E+20
Circumference
50139578765.03
Perimeter
31919847220
Area
6.3679790409259E+19
Diagonal
11285370211.85
Surface area
3.8207874245555E+20
Volume
5.0816229521629E+29
Space diagonal
13821699288.719
Perimeter
23939885415
Area
2.7574158101043E+19
Altitude
6910849644.3595
Surface area
2.7574158101043E+19
Volume
5.9887500815127E+28
Height
3761790070.6168