77886921 is an odd 8-digits composite number following 77886920
and preceding 77886922 . In scientific notation, it is written as 7.7886921 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 43417920 positive integers (up to 77886921) that are relatively prime to 77886921.
77886921 has 16 divisors, whose sum is 95534208
The reverse of 77886921 is 12968877
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-seven million eight hundred eighty-six thousand nine hundred twenty-one
Scientific notation
7.7886921 × 10^7
Engineering notation
7.7886921 × 10^6
Prime Factorization
21 × 7 × 41 × 12923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77886921
Product of the distinct prime numbers
The prime factorization of 77886921 is 21 × 7 × 41 × 12923.
Since it has a total of 4 prime factors.
7 , 1 , 41 , 45 , 410 , 261 , 6289 , 5740 , 41420 , 73567 , 125961 , 365413 , 5657914 , 9012342 , 53920093 , 18421666 , 475834258 , 876563602 , 9538657275 , 7197903055
n×2
155773842
n×3
233660763
n×4
311547684
n×5
389434605
n÷2
38943460.5
n÷3
25962307
n÷3
19471730.25
n÷5
15577384.2
n2
6066372462860241
n3
4.7249107277137E+23
n4
3.6800874858149E+31
n5
2.8663068328075E+39
2 √n
8825.356706672
3 √n
427.05929482045
4 √n
93.943369679142
5 √n
37.869790900916
1 , 7 , 21 , 41 , 147 , 287 , 861 , 6027 , 12923 , 90461 , 271383 , 529843 , 1899681 , 3708901 , 11126703 , 77886921
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
-77886920
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 77886921 can be divided by 16 positive divisors.
The sum of these divisors (counting 77886921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101001000111010111001001
3
Ternary
12102120001202210
4
Quaternary
10221013113021
5
Quinary
124414340141
6
Senary
11421215333
8
Octal
451072711
10
Decimal
77886921
12
Duodecimal
22101549
16
Hexadecimal
4a475c9
20
Vigesimal
146fh61
36
Base36
1addxl
md5
8205f3798a8100375044d0844b109dc5
sha1
07bd8b8098f236a0c26527633b254f1555aeeb1b
sha256
5a835401224d1ad6e25a5c36210c3ac21141dc1474158b3d6e9c57fe6bbf1d88
sha512
e45e8d1055ac07e8f46aa1088e82bf4182295c602e74c545ca55a0c49665bae6d547012ffecfaf04095bc34624311164eb8b0428f6b093ca8a9985a8b2df106b
ripemd-160
bfaf520d84029ae1531bf7cd57eb4f004aefa15c
Diameter
155773842
Circumference
489377957.64866
Area
1.9058071163261E+16
Volume
1.9791659774737E+24
Surface area
7.6232284653045E+16
Circumference
489377957.64866
Perimeter
311547684
Area
6066372462860241
Diagonal
110148740.00968
Surface area
36398234777161446
Volume
4.7249107277137E+23
Space diagonal
134904104.4171
Perimeter
233660763
Area
2.6268163308277E+15
Altitude
67452052.208552
Surface area
2.6268163308277E+15
Volume
5.5683606934457E+22
Height
36716246.669894