157045681 is an odd 9-digits composite number following 157045680
and preceding 157045682 . In scientific notation, it is written as 1.57045681 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 142107840 positive integers (up to 157045681) that are relatively prime to 157045681.
157045681 has 16 divisors, whose sum is 172488960
The reverse of 157045681 is 186540751
Previous prime number is 743
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-seven million forty-five thousand six hundred eighty-one
Scientific notation
1.57045681 × 10^8
Engineering notation
1.57045681 × 10^6
Prime Factorization
71 × 13 × 743 × 229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157045681
Product of the distinct prime numbers
The prime factorization of 157045681 is 71 × 13 × 743 × 229.
Since it has a total of 4 prime factors.
2 , 4 , 62 , 53 , 128 , 427 , 4841 , 1946 , 41076 , 41397 , 881749 , 491641 , 6419014 , 2398227 , 83916358 , 56440454 , 300942580 , 910154088 , 3350491072 , 3081361066
n×2
314091362
n×3
471137043
n×4
628182724
n×5
785228405
n÷2
78522840.5
n÷3
52348560.333333
n÷3
39261420.25
n÷5
31409136.2
n2
24663345920753761
n3
3.8732719558633E+24
n4
6.0828063200676E+32
n5
9.5527846092612E+40
2 √n
12531.786823913
3 √n
539.52138776494
4 √n
111.94546361471
5 √n
43.571769693603
1 , 13 , 71 , 229 , 743 , 923 , 2977 , 9659 , 16259 , 52753 , 170147 , 211367 , 685789 , 2211911 , 12080437 , 157045681
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157045680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157045681 can be divided by 16 positive divisors.
The sum of these divisors (counting 157045681) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111000101001110110001
3
Ternary
101221111202011201
4
Quaternary
21113011032301
5
Quinary
310200430211
6
Senary
23330011201
8
Octal
1127051661
10
Decimal
157045681
12
Duodecimal
44716b01
16
Hexadecimal
95c53b1
20
Vigesimal
291ae41
36
Base36
2li181
md5
140fc2d29950850ae37d234545a5608e
sha1
23d5623180d1bb5bb10592eaf0d78fc759c05ac3
sha256
365e88f4fbf0b5b2b0d134b84325ca9c7ab151b67f41af3e1a798685c975666d
sha512
03f912f835c86a88fa513e550c618efea91795c63ced977b2f4a2224a4a7fef423eee9ffa0cc9a4bc6d39225119d39963de243bab4ddfe9f444524563e4b1af9
ripemd-160
973a180ce99ceb6f6ce62429c8eedc0f4b1e2663
Diameter
314091362
Circumference
986747115.41521
Area
7.7482186357584E+16
Volume
1.6224323629194E+25
Surface area
3.0992874543034E+17
Circumference
986747115.41521
Perimeter
628182724
Area
24663345920753761
Diagonal
222096131.98232
Surface area
147980075524522566
Volume
3.8732719558633E+24
Space diagonal
272011098.60125
Perimeter
471137043
Area
1.0679542054848E+16
Altitude
136005549.30063
Surface area
1.0679542054848E+16
Volume
4.5646947756178E+23
Height
74032043.994106