78138975 is an odd 8-digits composite number following 78138974
and preceding 78138976 . In scientific notation, it is written as 7.8138975 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 41674080 positive integers (up to 78138975) that are relatively prime to 78138975.
78138975 has 8 divisors, whose sum is 108352816
The reverse of 78138975 is 57983187
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million one hundred thirty-eight thousand nine hundred seventy-five
Scientific notation
7.8138975 × 10^7
Engineering notation
7.8138975 × 10^6
Prime Factorization
3 × 25 × 1041853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78138975
Product of the distinct prime numbers
The prime factorization of 78138975 is 3 × 25 × 1041853.
Since it has a total of 3 prime factors.
3 , 8 , 21 , 70 , 464 , 16 , 9778 , 8262 , 99980 , 43328 , 476770 , 434092 , 2290441 , 3597253 , 62243459 , 72573522 , 838986585 , 980472649 , 1587800514 , 4241353700
n×2
156277950
n×3
234416925
n×4
312555900
n×5
390694875
n÷2
39069487.5
n÷3
26046325
n÷3
19534743.75
n÷5
15627795
n2
6105699414050625
n3
4.7709309387202E+23
n4
3.7279565334738E+31
n5
2.912987023702E+39
2 √n
8839.6252748632
3 √n
427.51947519088
4 √n
94.019281399419
5 √n
37.894269722667
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
-78138974
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 78138975 can be divided by 8 positive divisors.
The sum of these divisors (counting 78138975) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010000100111001011111
3
Ternary
12110000212112010
4
Quaternary
10222010321133
5
Quinary
130000421400
6
Senary
11430442303
8
Octal
452047137
10
Decimal
78138975
12
Duodecimal
22203393
16
Hexadecimal
4a84e5f
20
Vigesimal
148778f
36
Base36
1aisf3
md5
03a6f57ff51060b690484ffdc25f305d
sha1
6be6592ce25b334383e8b14b8c0be5b94f34beea
sha256
d60cb2ea147af104b9cbbd75c0c7d7434a4063fa3762543d2e3af2fd1abdde71
sha512
adfcb71dfc97dbe9ac4868464ad06d9b512454b638853f1f37129119a2062f0b5ba09893e1f28bdd5f0e6464779e017e27dae5a625aac32e5aef2b87bc1c2d9b
ripemd-160
8a969cb291b9044c13c726d10aa34a412e840b2e
Diameter
156277950
Circumference
490961659.63807
Area
1.9181620424209E+16
Volume
1.9984428783823E+24
Surface area
7.6726481696836E+16
Circumference
490961659.63807
Perimeter
312555900
Area
6105699414050625
Diagonal
110505198.19493
Surface area
36634196484303750
Volume
4.7709309387202E+23
Space diagonal
135340674.75135
Perimeter
234416925
Area
2.6438454002198E+15
Altitude
67670337.375677
Surface area
2.6438454002198E+15
Volume
5.6225960322362E+22
Height
36835066.064977