157440986 is an even 9-digits composite number following 157440985
and preceding 157440987 . In scientific notation, it is written as 1.57440986 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 78720492 positive integers (up to 157440986) that are relatively prime to 157440986.
157440986 has 4 divisors, whose sum is 236161482
The reverse of 157440986 is 689044751
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred fifty-seven million four hundred forty thousand nine hundred eighty-six
Scientific notation
1.57440986 × 10^8
Engineering notation
1.57440986 × 10^6
Prime Factorization
2 × 78720493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157440986
Product of the distinct prime numbers
The prime factorization of 157440986 is 2 × 78720493.
Since it has a total of 2 prime factors.
10 , 6 , 7 , 80 , 476 , 407 , 9596 , 7357 , 7697 , 59336 , 92518 , 536571 , 9029881 , 3256741 , 34843151 , 16777730 , 79973592 , 567415822 , 4119397594 , 3903345060
n×2
314881972
n×3
472322958
n×4
629763944
n×5
787204930
n÷2
78720493
n÷3
52480328.666667
n÷3
39360246.5
n÷5
31488197.2
n2
24787664072652196
n3
3.9025942722351E+24
n4
6.1442829017865E+32
n5
9.6736195832021E+40
2 √n
12547.54900369
3 √n
539.97369099075
4 √n
112.01584264598
5 √n
43.593682836671
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
-157440985
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 157440986 can be divided by 4 positive divisors.
The sum of these divisors (counting 157440986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100101101111011010
3
Ternary
101222020211102122
4
Quaternary
21120211233122
5
Quinary
310301102421
6
Senary
23342301242
8
Octal
1130455732
10
Decimal
157440986
12
Duodecimal
44887822
16
Hexadecimal
9625bda
20
Vigesimal
2940296
36
Base36
2lqi8q
md5
1f5ff31649438e25fbb44f84c09ea7c1
sha1
0320eba9a003773d85c0ae49055e4bb39a8d44b2
sha256
2670f6efc95564eb8f8da5babb43d43c65f15c34c7fc1c968518dcb4c61ff9cc
sha512
65375b0e1929eca6072027716926a1d43d76e21f053213a42edd8215f1692f0d2688770a182f39afaba69e02046871a645c7ef6797c01762e7c947b5f45818f0
ripemd-160
6a8cb0a876d924d4a13635d29746d214e3350f04
Diameter
314881972
Circumference
989230889.98307
Area
7.7872743350296E+16
Volume
1.6347148660794E+25
Surface area
3.1149097340118E+17
Circumference
989230889.98307
Perimeter
629763944
Area
24787664072652196
Diagonal
222655177.67459
Surface area
148725984435913176
Volume
3.9025942722351E+24
Space diagonal
272695786.94574
Perimeter
472322958
Area
1.0733373393696E+16
Altitude
136347893.47287
Surface area
1.0733373393696E+16
Volume
4.5992514568621E+23
Height
74218392.558198