7977889681 is an odd 10-digits composite number following 7977889680
and preceding 7977889682 . In scientific notation, it is written as 7.977889681 × 10^9.
The sum of its digits is 70. It has a total of 2 prime factors and 4 positive divisors.
There are 7974164772 positive integers (up to 7977889681) that are relatively prime to 7977889681.
7977889681 has 4 divisors, whose sum is 7981614592
The reverse of 7977889681 is 1869887797
Previous prime number is 2143
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 70
Digital Root 7
Name
seven billion nine hundred seventy-seven million eight hundred eighty-nine thousand six hundred eighty-one
Scientific notation
7.977889681 × 10^9
Engineering notation
7.977889681 × 10^9
Prime Factorization
2143 × 3722767
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7977889681
Product of the distinct prime numbers
The prime factorization of 7977889681 is 2143 × 3722767.
Since it has a total of 2 prime factors.
3 , 6 , 81 , 2 , 330 , 960 , 9021 , 5799 , 87736 , 2800 , 935650 , 713633 , 8714502 , 6761830 , 83261992 , 33993326 , 668818044 , 220470210 , 5786502433 , 6527807800
n×2
15955779362
n×3
23933669043
n×4
31911558724
n×5
39889448405
n÷2
3988944840.5
n÷3
2659296560.3333
n÷3
1994472420.25
n÷5
1595577936.2
n2
6.3646723762206E+19
n3
5.0776654073196E+29
n4
4.0509054456626E+39
n5
3.2317676753658E+49
2 √n
89319.033139639
3 √n
1998.1557733534
4 √n
298.86290023962
5 √n
95.582328293735
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
-7977889680
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 7977889681 can be divided by 4 positive divisors.
The sum of these divisors (counting 7977889681) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011011100001001110111110010001
3
Ternary
202120222210210020121
4
Quaternary
13123201032332101
5
Quinary
112314314432211
6
Senary
3355345510241
8
Octal
73341167621
10
Decimal
7977889681
12
Duodecimal
1667942381
16
Hexadecimal
1db84ef91
20
Vigesimal
64d1g441
36
Base36
3nxtv2p
md5
55ba17e454d38d276a5c4784be88c137
sha1
55e03d5ca9bdc6d5a37603da6972c448ca9dc07d
sha256
14fa9a198c7e6097aac9aea88fc6360990870f0c43354bdf1f2b79d6f0746344
sha512
00c5547cbb2cfe810c645eb971a073a6614b2719dff3bcc75c5cb49cfe8c6d7066f4572da4be7c4858c54617e2950a701d9f56960c7a5ad953968ab95a074f42
ripemd-160
c6ab7a558ca5ec1917bbf793be89caacf9d4c11f
Diameter
15955779362
Circumference
50126559225.959
Area
1.9995207979641E+20
Volume
2.1269275121363E+30
Surface area
7.9980831918562E+20
Circumference
50126559225.959
Perimeter
31911558724
Area
6.3646723762206E+19
Diagonal
11282439785.987
Surface area
3.8188034257324E+20
Volume
5.0776654073196E+29
Space diagonal
13818110264.671
Perimeter
23933669043
Area
2.7559839822861E+19
Altitude
6909055132.3357
Surface area
2.7559839822861E+19
Volume
5.9840860701868E+28
Height
3760813261.9955