7977984987 is an odd 10-digits composite number following 7977984986
and preceding 7977984988 . In scientific notation, it is written as 7.977984987 × 10^9.
The sum of its digits is 75. It has a total of 4 prime factors and 16 positive divisors.
There are 4529809440 positive integers (up to 7977984987) that are relatively prime to 7977984987.
7977984987 has 16 divisors, whose sum is 12234367232
The reverse of 7977984987 is 7894897797
Previous prime number is 157
Is Prime? no Number parity odd Number length 10 Sum of Digits 75 Digital Root 3
Name
seven billion nine hundred seventy-seven million nine hundred eighty-four thousand nine hundred eighty-seven
Scientific notation
7.977984987 × 10^9
Engineering notation
7.977984987 × 10^9
Prime Factorization
3 × 7 × 157 × 2419771
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
7977984987 Product of the distinct prime numbers
The prime factorization of 7977984987 is 3 × 7 × 157 × 2419771.
Since it has a total of 4 prime factors.
4 , 1 , 58 , 1 , 217 , 88 , 9200 , 7143 , 97339 , 25972 , 196503 , 92712 , 825356 , 510957 , 78731424 , 84903612 , 128476397 , 602773471 , 953797384 , 6025681424
n×2
15955969974
n×3
23933954961
n×4
31911939948
n×5
39889924935
n÷2
3988992493.5
n÷3
2659328329
n÷3
1994496246.75
n÷5
1595596997.4
n2
6.3648244452797E+19
n3
5.0778473869332E+29
n4
4.0510990219231E+39
n5
3.2319607177753E+49
2 √n89319.566652554
3 √n1998.1637301558
4 √n298.86379280962
5 √n95.582556663046
1 , 3 , 7 , 21 , 157 , 471 , 1099 , 3297 , 2419771 , 7259313 , 16938397 , 50815191 , 379904047 , 1139712141 , 2659328329 , 7977984987
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-7977984986 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7977984987 can be divided by 16 positive divisors.
The sum of these divisors (counting 7977984987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011011100001100110001111011011
3
Ternary
202120222222121222110
4
Quaternary
13123201212033123
5
Quinary
112314331004422
6
Senary
3355351523403
8
Octal
73341461733
10
Decimal
7977984987
12
Duodecimal
1667989563
16
Hexadecimal
1db8663db
20
Vigesimal
64d28297
36
Base36
3nxvwm3
md5
1ce63e4dab693e463738966e05b0bdeb
sha1
aa0cdc1a5e8e36d330b9ce04fddcddfb028d2ebc
sha256
762dfae22a56a31fdd63fbfdc1230700449d34c4ac4305c1f4dad9305271f1b6
sha512
fdbc840667906802b6713dac9073ea1fef9c89e7e5f426f63a28d0c1905c9c79b2b0add680c14ddd5e3473924cfc7be45a4187b0d7fa7bd8fe93f56ef76c1518
ripemd-160
c8f70421c5febc81cd9f34d9e847e207dbe4651f
Diameter
15955969974
Circumference
50127158051.218
Area
1.999568571868E+20
Volume
2.1270037395786E+30
Surface area
7.9982742874718E+20
Circumference
50127158051.218
Perimeter
31911939948
Area
6.3648244452797E+19
Diagonal
11282574569.024
Surface area
3.8188946671678E+20
Volume
5.0778473869332E+29
Space diagonal
13818275339.506
Perimeter
23933954961
Area
2.7560498301202E+19
Altitude
6909137669.7529
Surface area
2.7560498301202E+19
Volume
5.9843005352181E+28
Height
3760858189.6748