77894945 is an odd 8-digits composite number following 77894944
and preceding 77894946 . In scientific notation, it is written as 7.7894945 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 62315952 positive integers (up to 77894945) that are relatively prime to 77894945.
77894945 has 4 divisors, whose sum is 93473940
The reverse of 77894945 is 54949877
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-seven million eight hundred ninety-four thousand nine hundred forty-five
Scientific notation
7.7894945 × 10^7
Engineering notation
7.7894945 × 10^6
Prime Factorization
5 × 15578989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77894945
Product of the distinct prime numbers
The prime factorization of 77894945 is 5 × 15578989.
Since it has a total of 2 prime factors.
1 , 7 , 59 , 24 , 362 , 449 , 973 , 1445 , 66087 , 84094 , 565254 , 943053 , 2421506 , 3872564 , 45154915 , 83450260 , 320856119 , 444902385 , 5703019147 , 5988845908
n×2
155789890
n×3
233684835
n×4
311579780
n×5
389474725
n÷2
38947472.5
n÷3
25964981.666667
n÷3
19473736.25
n÷5
15578989
n2
6067622456553025
n3
4.7263711753396E+23
n4
3.6816042275267E+31
n5
2.8677835881496E+39
2 √n
8825.8112941531
3 √n
427.07395969644
4 √n
93.945789124117
5 √n
37.870571146629
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
-77894944
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 77894945 can be divided by 4 positive divisors.
The sum of these divisors (counting 77894945) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001001001010100100001
3
Ternary
12102120110202222
4
Quaternary
10221021110201
5
Quinary
124420114240
6
Senary
11421320425
8
Octal
451112441
10
Decimal
77894945
12
Duodecimal
22106115
16
Hexadecimal
4a49521
20
Vigesimal
146gh75
36
Base36
1adk4h
md5
acc733d8e81543bada75c770a4e79c22
sha1
484adc54e7f3496b82714a35200d0c17fe6d7b5c
sha256
3dc12589d3ea1f3106f9d9d4a6dfb664580f56df50816164741dba0c40e07f2d
sha512
e02d16f97f6fc394c8b4ad033a9b178e98f191ef80489724c1c3cfecec88cea799411dbbd82409f256ee885f2c48a7b4367e059c544a97f8eb90b898636d7d3d
ripemd-160
88988e0146a9e25a92b378d5686bc80a722bda7f
Diameter
155789890
Circumference
489428373.92756
Area
1.9061998134263E+16
Volume
1.9797777283447E+24
Surface area
7.6247992537054E+16
Circumference
489428373.92756
Perimeter
311579780
Area
6067622456553025
Diagonal
110160087.65931
Surface area
36405734739318150
Volume
4.7263711753396E+23
Space diagonal
134918002.39278
Perimeter
233684835
Area
2.6273575939739E+15
Altitude
67459001.196392
Surface area
2.6273575939739E+15
Volume
5.5700818474788E+22
Height
36720029.219769