157678421 is an odd 9-digits prime number following 157678420
and preceding 157678422 . In scientific notation, it is written as 1.57678421 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 157678420 positive integers (up to 157678421) that are relatively prime to 157678421.
157678421 has 2 divisors, whose sum is 157678422
The reverse of 157678421 is 124876751
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 41 Digital Root 5
Name
one hundred fifty-seven million six hundred seventy-eight thousand four hundred twenty-one
Scientific notation
1.57678421 × 10^8
Engineering notation
1.57678421 × 10^6
Prime Factorization
157678421
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
157678421 Product of the distinct prime numbers
The prime factorization of 157678421 is 157678421.
Since it has a total of 1 prime factors.
6 , 3 , 7 , 13 , 485 , 983 , 6365 , 6267 , 88015 , 94829 , 404099 , 823771 , 377252 , 3511031 , 87669288 , 74008291 , 870883542 , 369670819 , 346525607 , 2717414120
n×2
315356842
n×3
473035263
n×4
630713684
n×5
788392105
n÷2
78839210.5
n÷3
52559473.666667
n÷3
39419605.25
n÷5
31535684.2
n2
24862484449053241
n3
3.9202772900638E+24
n4
6.1814313297941E+32
n5
9.7467833160187E+40
2 √n12557.006848768
3 √n540.24499742437
4 √n112.05805124474
5 √n43.606823541771
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
157678422 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
78839211 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12557.006888586 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999987316 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157678421 can be divided by 2 positive divisors.
The sum of these divisors (counting 157678421) is 157678422, the average is 78839211.
Base
System
Value
2
Binary
1001011001011111101101010101
3
Ternary
101222200220010112
4
Quaternary
21121133231111
5
Quinary
310331202141
6
Senary
23351332405
8
Octal
1131375525
10
Decimal
157678421
12
Duodecimal
44981105
16
Hexadecimal
965fb55
20
Vigesimal
2959g11
36
Base36
2lvlg5
md5
f1e56667aee44a7b62049a82f69267aa
sha1
df2e71a0ae1b29698daa7102f798cdaf654dea80
sha256
1378acf08c461d82cd903f7c4ceab6cf2df99147462f9866a520b7cc3f1b0ce2
sha512
a426118c851954cd8e8ee508f5e20f63c18bf741982a7a7a7f0729cf5de462e33fc0abe28ff5c663adb9cdd375e70e33641396d65b7e90be26ac72151f7a11b2
ripemd-160
ce293e4e78045b72cfe4563665c95f25fa9181fa
Diameter
315356842
Circumference
990722738.08648
Area
7.8107798495136E+16
Volume
1.6421219112666E+25
Surface area
3.1243119398054E+17
Circumference
990722738.08648
Perimeter
630713684
Area
24862484449053241
Diagonal
222990961.47177
Surface area
149174906694319446
Volume
3.9202772900638E+24
Space diagonal
273107036.42924
Perimeter
473035263
Area
1.0765771567038E+16
Altitude
136553518.21462
Surface area
1.0765771567038E+16
Volume
4.6200910932262E+23
Height
74330320.490592