77973921 is an odd 8-digits composite number following 77973920
and preceding 77973922 . In scientific notation, it is written as 7.7973921 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 49805280 positive integers (up to 77973921) that are relatively prime to 77973921.
77973921 has 32 divisors, whose sum is 118643200
The reverse of 77973921 is 12937977
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-seven million nine hundred seventy-three thousand nine hundred twenty-one
Scientific notation
7.7973921 × 10^7
Engineering notation
7.7973921 × 10^6
Prime Factorization
129 × 3 × 9 × 61 × 367
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
77973921
Product of the distinct prime numbers
The prime factorization of 77973921 is 129 × 3 × 9 × 61 × 367.
Since it has a total of 5 prime factors.
5 , 7 , 87 , 11 , 493 , 593 , 6073 , 5905 , 5717 , 13261 , 993424 , 476259 , 1863127 , 6950058 , 50622447 , 82339624 , 847811012 , 129680371 , 5023146166 , 5145321352
n×2
155947842
n×3
233921763
n×4
311895684
n×5
389869605
n÷2
38986960.5
n÷3
25991307
n÷3
19493480.25
n÷5
15594784.2
n2
6079932356114241
n3
4.74076165221E+23
n4
3.6965577454925E+31
n5
2.8823510161897E+39
2 √n
8830.2843102586
3 √n
427.21824462858
4 √n
93.969592476815
5 √n
37.878247264801
1 , 3 , 9 , 27 , 61 , 129 , 183 , 367 , 387 , 549 , 1101 , 1161 , 1647 , 3303 , 3483 , 7869 , 9909 , 22387 , 23607 , 47343 , 67161 , 70821 , 142029 , 201483 , 212463 , 426087 , 604449 , 1278261 , 2887923 , 8663769 , 25991307 , 77973921
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77973920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77973921 can be divided by 32 positive divisors.
The sum of these divisors (counting 77973921) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101001011100100110100001
3
Ternary
12102201111010000
4
Quaternary
10221130212201
5
Quinary
124430131141
6
Senary
11423130213
8
Octal
451344641
10
Decimal
77973921
12
Duodecimal
22143969
16
Hexadecimal
4a5c9a1
20
Vigesimal
1476eg1
36
Base36
1af929
md5
3e0c88335c25755b080705d3760da139
sha1
b8308cc6d21be7ae450410a25de9a2d02f795469
sha256
c83c22aecd0434f0c53a41541afa6e921a5b25b7bde4fa82eb63dd8fcb79b1c1
sha512
dfd0a97cc326a551ddb23a7fe402dcfadea2d0db28e222887c8b8252bd47f416c66aa96b6133c8fead67f39cf6ea34cb4b98b771ccf6f2254a420e50163bb7fd
ripemd-160
b5ec56ca0e3f1b957b84fbf8277275d770a5d317
Diameter
155947842
Circumference
489924594.77038
Area
1.9100670824291E+16
Volume
1.9858055972004E+24
Surface area
7.6402683297166E+16
Circumference
489924594.77038
Perimeter
311895684
Area
6079932356114241
Diagonal
110271776.58961
Surface area
36479594136685446
Volume
4.74076165221E+23
Space diagonal
135054792.83736
Perimeter
233921763
Area
2.632687936843E+15
Altitude
67527396.418681
Surface area
2.632687936843E+15
Volume
5.5870411871113E+22
Height
36757258.863203