77149721 is an odd 8-digits composite number following 77149720
and preceding 77149722 . In scientific notation, it is written as 7.7149721 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 70136000 positive integers (up to 77149721) that are relatively prime to 77149721.
77149721 has 4 divisors, whose sum is 77787444
The reverse of 77149721 is 12794177
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-seven million one hundred forty-nine thousand seven hundred twenty-one
Scientific notation
7.7149721 × 10^7
Engineering notation
7.7149721 × 10^6
Prime Factorization
121 × 637601
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77149721
Product of the distinct prime numbers
The prime factorization of 77149721 is 121 × 637601.
Since it has a total of 2 prime factors.
2 , 3 , 15 , 4 , 905 , 643 , 4893 , 8602 , 78696 , 16949 , 426442 , 757083 , 7219190 , 8359622 , 15457301 , 77155839 , 160646892 , 47573355 , 2451811115 , 3769145671
n×2
154299442
n×3
231449163
n×4
308598884
n×5
385748605
n÷2
38574860.5
n÷3
25716573.666667
n÷3
19287430.25
n÷5
15429944.2
n2
5952079450377841
n3
4.5920126896648E+23
n4
3.542724978361E+31
n5
2.7332024366028E+39
2 √n
8783.4913901022
3 √n
425.70764875297
4 √n
93.720282703918
5 √n
37.79783039751
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
-77149720
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 77149721 can be divided by 4 positive divisors.
The sum of these divisors (counting 77149721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100100110010011011000011001
3
Ternary
12101011121112002
4
Quaternary
10212103120121
5
Quinary
124222242341
6
Senary
11353330345
8
Octal
446233031
10
Decimal
77149721
12
Duodecimal
21a069b5
16
Hexadecimal
4993619
20
Vigesimal
1423e61
36
Base36
19xl3t
md5
851226c256a73319c263f1b606822b73
sha1
80ba7f66cd0f6e15253d5e9b07ff8a7b1d80d793
sha256
051835141509a2a143ff52c99605e2a90e3f9857e4fb8c64c1006f0a7bb863d3
sha512
0d8a6c34e4561756c882a9c9d031a9bd77fd660d7e798ee47c4d91e218ab7f79946e6584ef1c76b14785ce8f47f2610dfc486649a6d9b3add24141d2f85b5612
ripemd-160
ae1a2351787fdd98424cdc3cbae751b8e4d940fa
Diameter
154299442
Circumference
484745993.4402
Area
1.869900907489E+16
Volume
1.9234977774723E+24
Surface area
7.4796036299559E+16
Circumference
484745993.4402
Perimeter
308598884
Area
5952079450377841
Diagonal
109106181.7715
Surface area
35712476702267046
Volume
4.5920126896648E+23
Space diagonal
133627236.56176
Perimeter
231449163
Area
2.5773260046853E+15
Altitude
66813618.280882
Surface area
2.5773260046853E+15
Volume
5.4117388535945E+22
Height
36368727.257167