77445285 is an odd 8-digits composite number following 77445284
and preceding 77445286 . In scientific notation, it is written as 7.7445285 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 36864000 positive integers (up to 77445285) that are relatively prime to 77445285.
77445285 has 16 divisors, whose sum is 81887232
The reverse of 77445285 is 58254477
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-seven million four hundred forty-five thousand two hundred eighty-five
Scientific notation
7.7445285 × 10^7
Engineering notation
7.7445285 × 10^6
Prime Factorization
255 × 31 × 101 × 97
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77445285
Product of the distinct prime numbers
The prime factorization of 77445285 is 255 × 31 × 101 × 97.
Since it has a total of 4 prime factors.
7 , 3 , 73 , 61 , 541 , 831 , 8935 , 669 , 87644 , 16027 , 77028 , 644866 , 5909048 , 4514236 , 61118944 , 29995260 , 452925476 , 647203792 , 3407190394 , 7550662623
n×2
154890570
n×3
232335855
n×4
309781140
n×5
387226425
n÷2
38722642.5
n÷3
25815095
n÷3
19361321.25
n÷5
15489057
n2
5997772168731225
n3
4.6449917497246E+23
n4
3.5973270988007E+31
n5
2.7859602240484E+39
2 √n
8800.3002789678
3 √n
426.2505909527
4 √n
93.809915675091
5 √n
37.8267471515
1 , 31 , 97 , 101 , 255 , 3007 , 3131 , 7905 , 9797 , 24735 , 25755 , 303707 , 766785 , 798405 , 2498235 , 77445285
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
-77445284
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 77445285 can be divided by 16 positive divisors.
The sum of these divisors (counting 77445285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100100111011011100010100101
3
Ternary
12101201121221220
4
Quaternary
10213123202211
5
Quinary
124311222120
6
Senary
11403530553
8
Octal
447334245
10
Decimal
77445285
12
Duodecimal
21b29a59
16
Hexadecimal
49db8a5
20
Vigesimal
1440d45
36
Base36
1a3x5x
md5
b870d7289fd3dcd76ba5a210aecc1a60
sha1
0a5018c8950e90d0bb0ab2ce82de2a38aabc31a3
sha256
926aa5f669dcd57ccb06ea6e2b3e88142897914c025e1d6f1db25b070a176ca4
sha512
040f6bf611ee22c6361eadae90896d8b032873845649c177ab2465bec62fea4ddbac2bfd827dc685c43663bf560e59df4f3dd68661a1e14b68a6a7aa38fd7b1d
ripemd-160
0fac1bc7e24aa39c28dd991a2372f1f1b81e66c4
Diameter
154890570
Circumference
486603076.82234
Area
1.8842556983191E+16
Volume
1.945689594256E+24
Surface area
7.5370227932765E+16
Circumference
486603076.82234
Perimeter
309781140
Area
5997772168731225
Diagonal
109524172.38885
Surface area
35986633012387350
Volume
4.6449917497246E+23
Space diagonal
134139168.42665
Perimeter
232335855
Area
2.5971115321163E+15
Altitude
67069584.213326
Surface area
2.5971115321163E+15
Volume
5.474175274643E+22
Height
36508057.46295