77996981 is an odd 8-digits prime number following 77996980
and preceding 77996982 . In scientific notation, it is written as 7.7996981 × 10^7.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 77996980 positive integers (up to 77996981) that are relatively prime to 77996981.
77996981 has 2 divisors, whose sum is 77996982
The reverse of 77996981 is 18969977
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 56 Digital Root 2
Name
seventy-seven million nine hundred ninety-six thousand nine hundred eighty-one
Scientific notation
7.7996981 × 10^7
Engineering notation
7.7996981 × 10^6
Prime Factorization
77996981
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
77996981 Product of the distinct prime numbers
The prime factorization of 77996981 is 77996981.
Since it has a total of 1 prime factors.
2 , 3 , 15 , 32 , 932 , 209 , 1439 , 5622 , 72831 , 63068 , 609524 , 462542 , 27936 , 8193789 , 8378076 , 12147496 , 505559220 , 12180328 , 4070524064 , 6707698814
n×2
155993962
n×3
233990943
n×4
311987924
n×5
389984905
n÷2
38998490.5
n÷3
25998993.666667
n÷3
19499245.25
n÷5
15599396.2
n2
6083529045114361
n3
4.7449689934473E+23
n4
3.700932564275E+31
n5
2.8866156689804E+39
2 √n8831.5899474557
3 √n427.2603556386
4 √n93.976539346029
5 √n37.880487421666
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
77996982 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
38998491 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8831.5900040706 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999974358 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77996981 can be divided by 2 positive divisors.
The sum of these divisors (counting 77996981) is 77996982, the average is 38998491.
Base
System
Value
2
Binary
100101001100010001110110101
3
Ternary
12102202122202002
4
Quaternary
10221202032311
5
Quinary
124431400411
6
Senary
11423425045
8
Octal
451421665
10
Decimal
77996981
12
Duodecimal
22155185
16
Hexadecimal
4a623b5
20
Vigesimal
1479c91
36
Base36
1afqut
md5
ef09e066d2d17028a4df6362499f97ed
sha1
ebe47d5fe6f15483af353eec7a2825e72f078ce9
sha256
38152ded37c56fac09c7f4e450c3bbd2e6ebeb197c58a333a3ada1179b1437ad
sha512
c913c6bdee09fd548ee84969f16a9e6fe8d167ebb4b6c2b20af56f34098f2df91bfa6c7b6217a12a7921386f4ab40011f326e3aeaa20de9d1e2ee130724370c7
ripemd-160
8d7403f3c97434f5a44dbe328e01ea410aabbab8
Diameter
155993962
Circumference
490069485.02357
Area
1.9111970156031E+16
Volume
1.9875679641767E+24
Surface area
7.6447880624126E+16
Circumference
490069485.02357
Perimeter
311987924
Area
6083529045114361
Diagonal
110304388.35436
Surface area
36501174270686166
Volume
4.7449689934473E+23
Space diagonal
135094733.92898
Perimeter
233990943
Area
2.6342453488648E+15
Altitude
67547366.964492
Surface area
2.6342453488648E+15
Volume
5.5919995863109E+22
Height
36768129.451452