157428287 is an odd 9-digits prime number following 157428286
and preceding 157428288 . In scientific notation, it is written as 1.57428287 × 10^8.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 157428286 positive integers (up to 157428287) that are relatively prime to 157428287.
157428287 has 2 divisors, whose sum is 157428288
The reverse of 157428287 is 782824751
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 44 Digital Root 8
Name
one hundred fifty-seven million four hundred twenty-eight thousand two hundred eighty-seven
Scientific notation
1.57428287 × 10^8
Engineering notation
1.57428287 × 10^6
Prime Factorization
157428287
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
157428287 Product of the distinct prime numbers
The prime factorization of 157428287 is 157428287.
Since it has a total of 1 prime factors.
7 , 10 , 20 , 6 , 947 , 202 , 7188 , 2318 , 2741 , 43670 , 762517 , 569471 , 4865777 , 7427020 , 11437088 , 93779601 , 42502749 , 372454934 , 8479277177 , 7952941253
n×2
314856574
n×3
472284861
n×4
629713148
n×5
787141435
n÷2
78714143.5
n÷3
52476095.666667
n÷3
39357071.75
n÷5
31485657.4
n2
24783665547754369
n3
3.9016500127639E+24
n4
6.1423007798295E+32
n5
9.6697189000732E+40
2 √n12547.042958403
3 √n539.9591727249
4 √n112.01358381198
5 √n43.592979571207
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
157428288 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
78714144 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12547.042998253 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999872958 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157428287 can be divided by 2 positive divisors.
The sum of these divisors (counting 157428287) is 157428288, the average is 78714144.
Base
System
Value
2
Binary
1001011000100010101000111111
3
Ternary
101222020012000022
4
Quaternary
21120202220333
5
Quinary
310300201122
6
Senary
23342122355
8
Octal
1130425077
10
Decimal
157428287
12
Duodecimal
448803bb
16
Hexadecimal
9622a3f
20
Vigesimal
293iae7
36
Base36
2lq8fz
md5
c4eca67a4b024f8517b1eb6a32564ca1
sha1
cce5f131ab6330375f3993cc99853ef573337dd9
sha256
8eaab32cd15346c85ac16617d52c644d8707ac6f32c541e2d4b8766d916f083b
sha512
2c29a24fd656a9286817595818f7c68adfd0f612c78eaf772583e48ffe0eca29dcf995d972524158082f5e49175dffd6d7d6a9ad19f118eca49b2ef6cbd67374
ripemd-160
cf9995bafa292b59011c4f2bc6a2059c5263ce41
Diameter
314856574
Circumference
989151099.81285
Area
7.7860181613852E+16
Volume
1.634319335597E+25
Surface area
3.1144072645541E+17
Circumference
989151099.81285
Perimeter
629713148
Area
24783665547754369
Diagonal
222637218.57656
Surface area
148701993286526214
Volume
3.9016500127639E+24
Space diagonal
272673791.63253
Perimeter
472284861
Area
1.0731641981626E+16
Altitude
136336895.81627
Surface area
1.0731641981626E+16
Volume
4.5981386364032E+23
Height
74212406.192188