77157421 is an odd 8-digits composite number following 77157420
and preceding 77157422 . In scientific notation, it is written as 7.7157421 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 70143100 positive integers (up to 77157421) that are relatively prime to 77157421.
77157421 has 4 divisors, whose sum is 84171744
The reverse of 77157421 is 12475177
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-seven million one hundred fifty-seven thousand four hundred twenty-one
Scientific notation
7.7157421 × 10^7
Engineering notation
7.7157421 × 10^6
Prime Factorization
11 × 7014311
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77157421
Product of the distinct prime numbers
The prime factorization of 77157421 is 11 × 7014311.
Since it has a total of 2 prime factors.
9 , 1 , 68 , 15 , 320 , 331 , 675 , 275 , 30312 , 98364 , 826569 , 548392 , 297897 , 4181802 , 13397366 , 37822538 , 183324638 , 888102834 , 7399370343 , 1982005377
n×2
154314842
n×3
231472263
n×4
308629684
n×5
385787105
n÷2
38578710.5
n÷3
25719140.333333
n÷3
19289355.25
n÷5
15431484.2
n2
5953267615371241
n3
4.5933877572486E+23
n4
3.5441395300228E+31
n5
2.7345666580071E+39
2 √n
8783.9297014491
3 √n
425.72181099839
4 √n
93.7226210765
5 √n
37.798584856948
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77157420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77157421 can be divided by 4 positive divisors.
The sum of these divisors (counting 77157421) is 1, the average is 0.25.
Base
System
Value
2
Binary
100100110010101010000101101
3
Ternary
12101012000002021
4
Quaternary
10212111100231
5
Quinary
124223014141
6
Senary
11353430141
8
Octal
446252055
10
Decimal
77157421
12
Duodecimal
21a0b351
16
Hexadecimal
499542d
20
Vigesimal
1424db1
36
Base36
19xr1p
md5
d8bfb8b94e8d2794f70bc3c292d6455b
sha1
c6a9cb1ba48f15b61549a8f487864006affb7bab
sha256
2857f92d6ca7ad39c9bea0ac9b7d3ec0de87224555f8e931bd5f9867ec7825e1
sha512
83e4d558a538d1bae831f68eba528c7d56901346aca26c3952e05985cf14706e08783ce4e0b221b02d3d6d11a34e1da7af8a7358b745daa903ad1d7842c335ec
ripemd-160
57cb8f306747c791f0302612cf1c71d0e63e7ba5
Diameter
154314842
Circumference
484794373.96707
Area
1.8702741805304E+16
Volume
1.9240737644349E+24
Surface area
7.4810967221217E+16
Circumference
484794373.96707
Perimeter
308629684
Area
5953267615371241
Diagonal
109117071.21593
Surface area
35719605692227446
Volume
4.5933877572486E+23
Space diagonal
133640573.35298
Perimeter
231472263
Area
2.5778404952194E+15
Altitude
66820286.676491
Surface area
2.5778404952194E+15
Volume
5.413359386283E+22
Height
36372357.071977