77952978 is an even 8-digits composite number following 77952977
and preceding 77952979 . In scientific notation, it is written as 7.7952978 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 25431192 positive integers (up to 77952978) that are relatively prime to 77952978.
77952978 has 24 divisors, whose sum is 172493568
The reverse of 77952978 is 87925977
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-seven million nine hundred fifty-two thousand nine hundred seventy-eight
Scientific notation
7.7952978 × 10^7
Engineering notation
7.7952978 × 10^6
Prime Factorization
2 × 3 × 3 × 47 × 92143
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
25984326
Product of the distinct prime numbers
The prime factorization of 77952978 is 2 × 3 × 3 × 47 × 92143.
Since it has a total of 5 prime factors.
6 , 2 , 56 , 69 , 17 , 280 , 8762 , 635 , 66975 , 32390 , 420937 , 465376 , 6185853 , 1167542 , 72926114 , 76656828 , 559114426 , 230908955 , 2707794211 , 1789904839
n×2
155905956
n×3
233858934
n×4
311811912
n×5
389764890
n÷2
38976489
n÷3
25984326
n÷3
19488244.5
n÷5
15590595.6
n2
6076666779068484
n3
4.7369427174206E+23
n4
3.6925879143835E+31
n5
2.87848224453E+39
2 √n
8829.0983684632
3 √n
427.17999238242
4 √n
93.963282022624
5 √n
37.876212303975
1 , 2 , 3 , 6 , 9 , 18 , 47 , 94 , 141 , 282 , 423 , 846 , 92143 , 184286 , 276429 , 552858 , 829287 , 1658574 , 4330721 , 8661442 , 12992163 , 25984326 , 38976489 , 77952978
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77952977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77952978 can be divided by 24 positive divisors.
The sum of these divisors (counting 77952978) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101001010111011111010010
3
Ternary
12102200102101100
4
Quaternary
10221113133102
5
Quinary
124423443403
6
Senary
11422445230
8
Octal
451273722
10
Decimal
77952978
12
Duodecimal
22133816
16
Hexadecimal
4a577d2
20
Vigesimal
147428i
36
Base36
1aeswi
md5
3e68b0212c8b1f09972da309ff5bc8e3
sha1
863010f86cf69812fe4229487de7797d24f07c9a
sha256
0df2b2b9ce3e6576ee58541e3e71268aaef9fde5748ec1f573cbc973c7e7ec11
sha512
d49f064efcea0eb0c35f7a7e0cf2869ce972cca7c225f84fef7e783b9ce8ce4864da4736174d298541fd08dfa27b178cb76e244c31138c9c39aeced83f0efe1f
ripemd-160
eed0fffec733c58f21ae9240052c8466af1500ba
Diameter
155905956
Circumference
489793006.02049
Area
1.9090411711435E+16
Volume
1.9842059255365E+24
Surface area
7.6361646845739E+16
Circumference
489793006.02049
Perimeter
311811912
Area
6076666779068484
Diagonal
110242158.71497
Surface area
36460000674410904
Volume
4.7369427174206E+23
Space diagonal
135018518.4973
Perimeter
233858934
Area
2.6312739005031E+15
Altitude
67509259.248649
Surface area
2.6312739005031E+15
Volume
5.5825405293005E+22
Height
36747386.238324