77989820 is an even 8-digits composite number following 77989819
and preceding 77989821 . In scientific notation, it is written as 7.7989820 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 31046400 positive integers (up to 77989820) that are relatively prime to 77989820.
77989820 has 24 divisors, whose sum is 164563728
The reverse of 77989820 is 02898977
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-seven million nine hundred eighty-nine thousand eight hundred twenty
Scientific notation
7.7989820 × 10^7
Engineering notation
7.7989820 × 10^6
Prime Factorization
2 × 2 × 5 × 211 × 18481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
38994910
Product of the distinct prime numbers
The prime factorization of 77989820 is 2 × 2 × 5 × 211 × 18481.
Since it has a total of 5 prime factors.
7 , 4 , 64 , 45 , 301 , 827 , 9089 , 7059 , 22384 , 70050 , 978404 , 90329 , 2252313 , 1306258 , 16278197 , 84758589 , 716619004 , 392433320 , 162442155 , 167040148
n×2
155979640
n×3
233969460
n×4
311959280
n×5
389949100
n÷2
38994910
n÷3
25996606.666667
n÷3
19497455
n÷5
15597964
n2
6082412023632400
n3
4.7436621888893E+23
n4
3.6995736025228E+31
n5
2.885290793375E+39
2 √n
8831.1845185117
3 √n
427.24727946989
4 √n
93.97438224597
5 √n
37.879791825171
1 , 2 , 4 , 5 , 10 , 20 , 211 , 422 , 844 , 1055 , 2110 , 4220 , 18481 , 36962 , 73924 , 92405 , 184810 , 369620 , 3899491 , 7798982 , 15597964 , 19497455 , 38994910 , 77989820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77989819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77989820 can be divided by 24 positive divisors.
The sum of these divisors (counting 77989820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101001100000011110111100
3
Ternary
12102202021220212
4
Quaternary
10221200132330
5
Quinary
124431133240
6
Senary
11423331552
8
Octal
451403674
10
Decimal
77989820
12
Duodecimal
22150bb8
16
Hexadecimal
4a607bc
20
Vigesimal
1478eb0
36
Base36
1aflbw
md5
1a3946a957e08c883da00b3e3da60edb
sha1
60caaf89f8a985aa009c94040d084523ae5851aa
sha256
75aeca3abfaa06a58dc3a19c0aae02919b72a63028babd301afb7ca57fd90735
sha512
98257f5c0d3f398548ff96fd3c56968568f8345faf452134f53da06fafda22b8482ebe375133b31aec4d7e95718893c8df39fb4ae4880e249415a38f8808fa5e
ripemd-160
d2f2e8c98785c72f800cbe65b680176e3436c88c
Diameter
155979640
Circumference
490024491.13358
Area
1.910846092955E+16
Volume
1.9870205711635E+24
Surface area
7.6433843718199E+16
Circumference
490024491.13358
Perimeter
311959280
Area
6082412023632400
Diagonal
110294261.17104
Surface area
36494472141794400
Volume
4.7436621888893E+23
Space diagonal
135082330.71315
Perimeter
233969460
Area
2.6337616643748E+15
Altitude
67541165.356576
Surface area
2.6337616643748E+15
Volume
5.5904595023697E+22
Height
36764753.723679