77998421 is an odd 8-digits prime number following 77998420
and preceding 77998422 . In scientific notation, it is written as 7.7998421 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 77998420 positive integers (up to 77998421) that are relatively prime to 77998421.
77998421 has 2 divisors, whose sum is 77998422
The reverse of 77998421 is 12489977
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-seven million nine hundred ninety-eight thousand four hundred twenty-one
Scientific notation
7.7998421 × 10^7
Engineering notation
7.7998421 × 10^6
Prime Factorization
77998421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
77998421
Product of the distinct prime numbers
The prime factorization of 77998421 is 77998421.
Since it has a total of 1 prime factors.
8 , 6 , 59 , 28 , 537 , 357 , 2888 , 7281 , 59875 , 25117 , 512543 , 902307 , 6606439 , 6968471 , 79430998 , 35138163 , 223736766 , 565800257 , 2024665969 , 4297000679
n×2
155996842
n×3
233995263
n×4
311993684
n×5
389992105
n÷2
38999210.5
n÷3
25999473.666667
n÷3
19499605.25
n÷5
15599684.2
n2
6083753678493241
n3
4.7452318067541E+23
n4
3.701205882058E+31
n5
2.8868821459644E+39
2 √n
8831.6714726036
3 √n
427.26298501869
4 √n
93.976973097688
5 √n
37.880627292462
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
77998422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
38999211
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8831.671529218
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999743585
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77998421 can be divided by 2 positive divisors.
The sum of these divisors (counting 77998421) is 77998422, the average is 38999211.
Base
System
Value
2
Binary
100101001100010100101010101
3
Ternary
12102202201201102
4
Quaternary
10221202211111
5
Quinary
124431422141
6
Senary
11423435445
8
Octal
451424525
10
Decimal
77998421
12
Duodecimal
22155b85
16
Hexadecimal
4a62955
20
Vigesimal
1479g11
36
Base36
1afryt
md5
36545279a31e79876d1ffe54c9fde5ef
sha1
8f799935d832adc359c91b1782ce41006db4b51e
sha256
7137fb2e7efbfea1cfe067c6ed93a59d914a9c4d08f28c39a6efeed2cd6b2267
sha512
475332d841dfe77259ef697b78837917def54134e9fbd4c8ccb0f7286972df6b29e88b627c4f82ebb95a02323b4ef440e06b20d6d78fff21af71606d4e13b334
ripemd-160
7d439dde0be677e67081c2054d4423127133338a
Diameter
155996842
Circumference
490078532.81041
Area
1.9112675862604E+16
Volume
1.9876780511573E+24
Surface area
7.6450703450417E+16
Circumference
490078532.81041
Perimeter
311993684
Area
6083753678493241
Diagonal
110306424.82189
Surface area
36502522070959446
Volume
4.7452318067541E+23
Space diagonal
135097228.08215
Perimeter
233995263
Area
2.6343426179711E+15
Altitude
67548614.041074
Surface area
2.6343426179711E+15
Volume
5.5923093147632E+22
Height
36768808.273962