77148978 is an even 8-digits composite number following 77148977
and preceding 77148979 . In scientific notation, it is written as 7.7148978 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 25716324 positive integers (up to 77148978) that are relatively prime to 77148978.
77148978 has 8 divisors, whose sum is 154297968
The reverse of 77148978 is 87984177
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-seven million one hundred forty-eight thousand nine hundred seventy-eight
Scientific notation
7.7148978 × 10^7
Engineering notation
7.7148978 × 10^6
Prime Factorization
2 × 3 × 12858163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77148978
Product of the distinct prime numbers
The prime factorization of 77148978 is 2 × 3 × 12858163.
Since it has a total of 3 prime factors.
5 , 1 , 21 , 42 , 393 , 780 , 8322 , 9565 , 31083 , 597 , 249614 , 499403 , 2962232 , 6893174 , 34377771 , 30134352 , 29503335 , 462638801 , 2707784739 , 7220446012
n×2
154297956
n×3
231446934
n×4
308595912
n×5
385744890
n÷2
38574489
n÷3
25716326
n÷3
19287244.5
n÷5
15429795.6
n2
5951964806444484
n3
4.5918800190916E+23
n4
3.5425885057154E+31
n5
2.7330708269049E+39
2 √n
8783.4490947463
3 √n
425.7062821384
4 √n
93.720057056888
5 √n
37.797757593887
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
-77148977
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 77148978 can be divided by 8 positive divisors.
The sum of these divisors (counting 77148978) is 1, the average is 0.125.
Base
System
Value
2
Binary
100100110010011001100110010
3
Ternary
12101011120111120
4
Quaternary
10212103030302
5
Quinary
124222231403
6
Senary
11353323110
8
Octal
446231462
10
Decimal
77148978
12
Duodecimal
21a06496
16
Hexadecimal
4993332
20
Vigesimal
1423c8i
36
Base36
19xkj6
md5
56122f27364885ff6b6f6cd573f5c235
sha1
c4543ea39aa7945329befe8fdd2f04e85997e3a1
sha256
f14513c098382022bd591dce9681eea4d753b4cd9469076ecc18f0d10e877c00
sha512
d7454656827b59dcd91e67eb7d76d88b719e569124e5a629548d5d90f9dad8c5bef7a00a3f1042560f0e6a2a9891db02ec6b0775c9404b0a2db9c2c691e31fa2
ripemd-160
ace1472bea863f7ff85f158b5bdabe0faa0b943a
Diameter
154297956
Circumference
484741325.03352
Area
1.8698648910351E+16
Volume
1.9234422045525E+24
Surface area
7.4794595641404E+16
Circumference
484741325.03352
Perimeter
308595912
Area
5951964806444484
Diagonal
109105131.01082
Surface area
35711788838666904
Volume
4.5918800190916E+23
Space diagonal
133625949.64801
Perimeter
231446934
Area
2.5772763624059E+15
Altitude
66812974.824007
Surface area
2.5772763624059E+15
Volume
5.4115824998245E+22
Height
36368377.003608