77872021 is an odd 8-digits composite number following 77872020
and preceding 77872022 . In scientific notation, it is written as 7.7872021 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 77648544 positive integers (up to 77872021) that are relatively prime to 77872021.
77872021 has 4 divisors, whose sum is 78095500
The reverse of 77872021 is 12027877
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-seven million eight hundred seventy-two thousand twenty-one
Scientific notation
7.7872021 × 10^7
Engineering notation
7.7872021 × 10^6
Prime Factorization
349 × 223129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77872021
Product of the distinct prime numbers
The prime factorization of 77872021 is 349 × 223129.
Since it has a total of 2 prime factors.
9 , 5 , 3 , 85 , 237 , 115 , 941 , 8278 , 45175 , 76825 , 896948 , 973248 , 8244657 , 747097 , 94271504 , 48232347 , 222557212 , 75062258 , 6610507264 , 9799748096
n×2
155744042
n×3
233616063
n×4
311488084
n×5
389360105
n÷2
38936010.5
n÷3
25957340.333333
n÷3
19468005.25
n÷5
15574404.2
n2
6064051654624441
n3
4.72219957794E+23
n4
3.6772722469953E+31
n5
2.8635662164074E+39
2 √n
8824.5125077819
3 √n
427.03206051196
4 √n
93.938876445175
5 √n
37.868341869268
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
-77872020
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 77872021 can be divided by 4 positive divisors.
The sum of these divisors (counting 77872021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001000011101110010101
3
Ternary
12102112022022221
4
Quaternary
10221003232111
5
Quinary
124413401041
6
Senary
11421022341
8
Octal
451035625
10
Decimal
77872021
12
Duodecimal
220b49b1
16
Hexadecimal
4a43b95
20
Vigesimal
146e011
36
Base36
1ad2fp
md5
1f4f507391cc2fdce711af5afb854c16
sha1
a64f271bc3ea3e3ee54209b61dc58258f40dadfa
sha256
8db6a6eef4b594ad1a79ecea6589482bb6de6c64a08556563d04c5c1d8eec00a
sha512
7dc9ef920d59a82cfa684907abb088d75ad5421cd2752e879a017c890fe0452f412c922aad5cd0ab50c04a125146377caf8fe1625a6a55cd23c5f80ce0e5a462
ripemd-160
e958e08705c2d7b534a1868af2f412fede52fd30
Diameter
155744042
Circumference
489284338.18758
Area
1.9050780129157E+16
Volume
1.9780303337121E+24
Surface area
7.6203120516629E+16
Circumference
489284338.18758
Perimeter
311488084
Area
6064051654624441
Diagonal
110127668.2276
Surface area
36384309927746646
Volume
4.72219957794E+23
Space diagonal
134878296.86007
Perimeter
233616063
Area
2.6258113913829E+15
Altitude
67439148.430035
Surface area
2.6258113913829E+15
Volume
5.565165572796E+22
Height
36709222.742534