77890621 is an odd 8-digits composite number following 77890620
and preceding 77890622 . In scientific notation, it is written as 7.7890621 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 76793500 positive integers (up to 77890621) that are relatively prime to 77890621.
77890621 has 4 divisors, whose sum is 78987744
The reverse of 77890621 is 12609877
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-seven million eight hundred ninety thousand six hundred twenty-one
Scientific notation
7.7890621 × 10^7
Engineering notation
7.7890621 × 10^6
Prime Factorization
71 × 1097051
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77890621
Product of the distinct prime numbers
The prime factorization of 77890621 is 71 × 1097051.
Since it has a total of 2 prime factors.
7 , 5 , 53 , 42 , 569 , 601 , 1152 , 1060 , 25259 , 52588 , 195186 , 821808 , 5784578 , 1685533 , 96792720 , 20432118 , 626904972 , 243555333 , 7806289973 , 957116056
n×2
155781242
n×3
233671863
n×4
311562484
n×5
389453105
n÷2
38945310.5
n÷3
25963540.333333
n÷3
19472655.25
n÷5
15578124.2
n2
6066948839765641
n3
4.7255841270458E+23
n4
3.6807868224334E+31
n5
2.8669877136795E+39
2 √n
8825.5663274376
3 √n
427.06605716407
4 √n
93.944485348729
5 √n
37.870150693194
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
-77890620
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 77890621 can be divided by 4 positive divisors.
The sum of these divisors (counting 77890621) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001001000010000111101
3
Ternary
12102120020211211
4
Quaternary
10221020100331
5
Quinary
124414444441
6
Senary
11421244421
8
Octal
451102075
10
Decimal
77890621
12
Duodecimal
22103711
16
Hexadecimal
4a4843d
20
Vigesimal
146g6b1
36
Base36
1adgsd
md5
6128237f2f771630af04f9da1a889ce3
sha1
e2220a9258fe7cf9cacc81a3901d4ec8d75cf91f
sha256
199c8f32872d762d2ae0136361323f3020f93332a9694da1615e2780a62b609e
sha512
7bfc18481e680d4a90cafab37bd439dab02c23b280dbba387ab375fabe1f205332e621a6361c3f9c4157f25d21539efd6480df91884c2416c5703b03cae4245c
ripemd-160
db6085f3e25d79fa41de23b2cfbc14436650407c
Diameter
155781242
Circumference
489401205.43429
Area
1.9059881904713E+16
Volume
1.9794480503263E+24
Surface area
7.6239527618851E+16
Circumference
489401205.43429
Perimeter
311562484
Area
6066948839765641
Diagonal
110153972.59986
Surface area
36401693038593846
Volume
4.7255841270458E+23
Space diagonal
134910513.00509
Perimeter
233671863
Area
2.6270659093488E+15
Altitude
67455256.502546
Surface area
2.6270659093488E+15
Volume
5.5691543021693E+22
Height
36717990.866621