80778921 is an odd 8-digits composite number following 80778920
and preceding 80778922 . In scientific notation, it is written as 8.0778921 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 51511152 positive integers (up to 80778921) that are relatively prime to 80778921.
80778921 has 8 divisors, whose sum is 112388160
The reverse of 80778921 is 12987708
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty million seven hundred seventy-eight thousand nine hundred twenty-one
Scientific notation
8.0778921 × 10^7
Engineering notation
8.0778921 × 10^6
Prime Factorization
3 × 23 × 1170709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80778921
Product of the distinct prime numbers
The prime factorization of 80778921 is 3 × 23 × 1170709.
Since it has a total of 3 prime factors.
3 , 10 , 79 , 62 , 442 , 266 , 1154 , 9443 , 71441 , 12389 , 693152 , 178459 , 3836544 , 8722551 , 58407601 , 9431762 , 651364787 , 643874791 , 3652331160 , 2091057874
n×2
161557842
n×3
242336763
n×4
323115684
n×5
403894605
n÷2
40389460.5
n÷3
26926307
n÷3
20194730.25
n÷5
16155784.2
n2
6525234077924241
n3
5.2710136808715E+23
n4
4.2578679771704E+31
n5
3.4394598095628E+39
2 √n
8987.7094412314
3 √n
432.28086909099
4 √n
94.803530742433
5 √n
38.146931505967
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
-80778920
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 80778921 can be divided by 8 positive divisors.
The sum of these divisors (counting 80778921) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100001001011010101001
3
Ternary
12121222222211220
4
Quaternary
10310021122221
5
Quinary
131134411141
6
Senary
12003212253
8
Octal
464113251
10
Decimal
80778921
12
Duodecimal
23077089
16
Hexadecimal
4d096a9
20
Vigesimal
154h761
36
Base36
1c3dex
md5
46447a72d8c88364334e65356b43e2a3
sha1
53ab2c152f731a16ba26a6109644af7d1a38c3e6
sha256
7db0c0646a13b1090ad19112914f38ceff2f8b601ac3c29e670973bfb9aeb9c7
sha512
2b56cb34e4e65595c403bae94fd488f3ce19cdda60e86607514d7ddd15848996aa31e7ebfd4a493fa04362548d05005ad7393e682a63bedbaab6c2956e374c4f
ripemd-160
c7e857f6300f5345ec75ad3f24f2ae6a6c944c17
Diameter
161557842
Circumference
507548929.55702
Area
2.0499627442161E+16
Volume
2.207917047573E+24
Surface area
8.1998509768642E+16
Circumference
507548929.55702
Perimeter
323115684
Area
6525234077924241
Diagonal
114238645.63206
Surface area
39151404467545446
Volume
5.2710136808715E+23
Space diagonal
139913195.35259
Perimeter
242336763
Area
2.8255092385612E+15
Altitude
69956597.676296
Surface area
2.8255092385612E+15
Volume
6.2119491957855E+22
Height
38079548.544022