78137321 is an odd 8-digits composite number following 78137320
and preceding 78137322 . In scientific notation, it is written as 7.8137321 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 71221248 positive integers (up to 78137321) that are relatively prime to 78137321.
78137321 has 16 divisors, whose sum is 85377600
The reverse of 78137321 is 12373187
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-eight million one hundred thirty-seven thousand three hundred twenty-one
Scientific notation
7.8137321 × 10^7
Engineering notation
7.8137321 × 10^6
Prime Factorization
43 × 17 × 139 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78137321
Product of the distinct prime numbers
The prime factorization of 78137321 is 43 × 17 × 139 × 769.
Since it has a total of 4 prime factors.
7 , 7 , 42 , 56 , 889 , 324 , 7503 , 5434 , 48948 , 69539 , 501367 , 499891 , 9787531 , 5562786 , 88527164 , 23483008 , 621237207 , 900549682 , 8190702287 , 8728097644
n×2
156274642
n×3
234411963
n×4
312549284
n×5
390686605
n÷2
39068660.5
n÷3
26045773.666667
n÷3
19534330.25
n÷5
15627464.2
n2
6105440933057041
n3
4.7706279803282E+23
n4
3.7276408987048E+31
n5
2.9126787347483E+39
2 √n
8839.5317183661
3 √n
427.51645867575
4 √n
94.018783859217
5 √n
37.894109296573
1 , 17 , 43 , 139 , 731 , 769 , 2363 , 5977 , 13073 , 33067 , 101609 , 106891 , 562139 , 1817147 , 4596313 , 78137321
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78137320
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78137321 can be divided by 16 positive divisors.
The sum of these divisors (counting 78137321) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010000100011111101001
3
Ternary
12110000210020212
4
Quaternary
10222010133221
5
Quinary
130000343241
6
Senary
11430430505
8
Octal
452043751
10
Decimal
78137321
12
Duodecimal
22202435
16
Hexadecimal
4a847e9
20
Vigesimal
1487361
36
Base36
1air55
md5
96aac6b51bfc40f0224404d1c957ebf8
sha1
2c6087b5fa71408b770138fec2adacb672b43563
sha256
7d15cbdb475569ea686c6ab15644db7944cd9dd62d3fbe429f5bff02093f3d7d
sha512
102283b7524462b545ea9f380044aa9b791a4361f9e948933f52260b9bad97a626668c3c452e68ed926b1ec23d87c228c6a94be79637a89e35784ce8c6af0a15
ripemd-160
39348b93c7da65468512fd21fa41be6c84433ee1
Diameter
156274642
Circumference
490951267.24957
Area
1.9180808382218E+16
Volume
1.9983159754679E+24
Surface area
7.6723233528874E+16
Circumference
490951267.24957
Perimeter
312549284
Area
6105440933057041
Diagonal
110502859.0857
Surface area
36632645598342246
Volume
4.7706279803282E+23
Space diagonal
135337809.93932
Perimeter
234411963
Area
2.6437334746664E+15
Altitude
67668904.969659
Surface area
2.6437334746664E+15
Volume
5.6222389923472E+22
Height
36834286.3619