78381609 is an odd 8-digits composite number following 78381608
and preceding 78381610 . In scientific notation, it is written as 7.8381609 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 50568720 positive integers (up to 78381609) that are relatively prime to 78381609.
78381609 has 8 divisors, whose sum is 107880192
The reverse of 78381609 is 90618387
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million three hundred eighty-one thousand six hundred nine
Scientific notation
7.8381609 × 10^7
Engineering notation
7.8381609 × 10^6
Prime Factorization
3 × 31 × 842813
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78381609
Product of the distinct prime numbers
The prime factorization of 78381609 is 3 × 31 × 842813.
Since it has a total of 3 prime factors.
2 , 1 , 22 , 98 , 922 , 95 , 2048 , 8722 , 10862 , 72298 , 810408 , 167359 , 8317356 , 3011412 , 41043531 , 52408935 , 235182168 , 369501609 , 8076240966 , 1716936697
n×2
156763218
n×3
235144827
n×4
313526436
n×5
391908045
n÷2
39190804.5
n÷3
26127203
n÷3
19595402.25
n÷5
15676321.8
n2
6143676629428881
n3
4.8155125939033E+23
n4
3.7744762526991E+31
n5
2.9584952181884E+39
2 √n
8853.3388616951
3 √n
427.96152338479
4 √n
94.092182787387
5 √n
37.917774099045
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
-78381608
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 78381609 can be divided by 8 positive divisors.
The sum of these divisors (counting 78381609) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011000000001000101001
3
Ternary
12110111012100120
4
Quaternary
10223000020221
5
Quinary
130031202414
6
Senary
11435553453
8
Octal
453001051
10
Decimal
78381609
12
Duodecimal
222bb889
16
Hexadecimal
4ac0229
20
Vigesimal
149he09
36
Base36
1anzmx
md5
ea8ce7d758a00f6b6340ec2b0ded2623
sha1
c90b78cca8dc71ff90ea0bc231ee3a6387674ed2
sha256
08a60216249af0ebd7656a04cc878025ebc74d1b11a15219bf390068abbe6170
sha512
4fac2af70ac09a2d1d9d27979c98847fd3ed0951a19ac647a20d8a75757c21ce4a4dd645bb26d2ff530a19e66bd602913e6f594345b95e1fd3deb55b736444cc
ripemd-160
9c746756b1796c4c7a4bcfaa798faa4cc333f892
Diameter
156763218
Circumference
492486174.0219
Area
1.9300929365045E+16
Volume
2.0171171984368E+24
Surface area
7.720371746018E+16
Circumference
492486174.0219
Perimeter
313526436
Area
6143676629428881
Diagonal
110848334.48843
Surface area
36862059776573286
Volume
4.8155125939033E+23
Space diagonal
135760929.167
Perimeter
235144827
Area
2.6602900168611E+15
Altitude
67880464.583499
Surface area
2.6602900168611E+15
Volume
5.6751360167304E+22
Height
36949444.829475