77772921 is an odd 8-digits composite number following 77772920
and preceding 77772922 . In scientific notation, it is written as 7.7772921 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 50745360 positive integers (up to 77772921) that are relatively prime to 77772921.
77772921 has 8 divisors, whose sum is 105903744
The reverse of 77772921 is 12927777
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-seven million seven hundred seventy-two thousand nine hundred twenty-one
Scientific notation
7.7772921 × 10^7
Engineering notation
7.7772921 × 10^6
Prime Factorization
3 × 47 × 551581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77772921
Product of the distinct prime numbers
The prime factorization of 77772921 is 3 × 47 × 551581.
Since it has a total of 3 prime factors.
6 , 6 , 86 , 48 , 187 , 751 , 5070 , 4834 , 79560 , 93644 , 26698 , 220821 , 6346836 , 7315532 , 86407366 , 93078704 , 179227514 , 159694970 , 187054105 , 830000311
n×2
155545842
n×3
233318763
n×4
311091684
n×5
388864605
n÷2
38886460.5
n÷3
25924307
n÷3
19443230.25
n÷5
15554584.2
n2
6048627240872241
n3
4.704194085628E+23
n4
3.6585891499022E+31
n5
2.845391649268E+39
2 √n
8818.8956791653
3 √n
426.85083649408
4 √n
93.908975498433
5 √n
37.858698702458
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77772920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77772921 can be divided by 8 positive divisors.
The sum of these divisors (counting 77772921) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101000101011100001111001
3
Ternary
12102100021101120
4
Quaternary
10220223201321
5
Quinary
124402213141
6
Senary
11414535453
8
Octal
450534171
10
Decimal
77772921
12
Duodecimal
22067589
16
Hexadecimal
4a2b879
20
Vigesimal
1461c61
36
Base36
1aaxyx
md5
817bbfe8c73cb70d264223e38a55675b
sha1
042dc865f816580483d3e69316d150e38006609c
sha256
369f725d6937670955755ddb2eebc0505fca134a3d35fca7f7fe0a1962eb4eb8
sha512
1ec16cb4978bea8ba776cb069021653b37900be7eedcfb94b227041a73221fa66357d5401cee645c2d639e044cb00944aa1171d1fe3f0ef9b05d3c7ee6de8698
ripemd-160
3a9d3df07bef87e12bf4408f063b52f583a82711
Diameter
155545842
Circumference
488661674.52364
Area
1.9002322904227E+16
Volume
1.9704882107293E+24
Surface area
7.6009291616909E+16
Circumference
488661674.52364
Perimeter
311091684
Area
6048627240872241
Diagonal
109987519.66357
Surface area
36291763445233446
Volume
4.704194085628E+23
Space diagonal
134706650.62504
Perimeter
233318763
Area
2.619132424309E+15
Altitude
67353325.31252
Surface area
2.619132424309E+15
Volume
5.5439458966087E+22
Height
36662506.554524