157020745 is an odd 9-digits composite number following 157020744
and preceding 157020746 . In scientific notation, it is written as 1.57020745 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 107671200 positive integers (up to 157020745) that are relatively prime to 157020745.
157020745 has 8 divisors, whose sum is 192270600
The reverse of 157020745 is 547020751
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-seven million twenty thousand seven hundred forty-five
Scientific notation
1.57020745 × 10^8
Engineering notation
1.57020745 × 10^6
Prime Factorization
5 × 49 × 640901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157020745
Product of the distinct prime numbers
The prime factorization of 157020745 is 5 × 49 × 640901.
Since it has a total of 3 prime factors.
1 , 6 , 19 , 44 , 865 , 682 , 5086 , 7535 , 9807 , 39914 , 327801 , 462615 , 13703 , 9707768 , 15496984 , 38378182 , 56557637 , 973891116 , 176118786 , 3340137874
n×2
314041490
n×3
471062235
n×4
628082980
n×5
785103725
n÷2
78510372.5
n÷3
52340248.333333
n÷3
39255186.25
n÷5
31404149
n2
24655514360355025
n3
3.8714272332211E+24
n4
6.0789438837367E+32
n5
9.5452029743753E+40
2 √n
12530.791874419
3 √n
539.4928308564
4 √n
111.94101962381
5 √n
43.570385924682
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157020744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157020745 can be divided by 8 positive divisors.
The sum of these divisors (counting 157020745) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111001001001001
3
Ternary
101221110110222011
4
Quaternary
21112333021021
5
Quinary
310144130440
6
Senary
23325255521
8
Octal
1126771111
10
Decimal
157020745
12
Duodecimal
447045a1
16
Hexadecimal
95bf249
20
Vigesimal
2917bh5
36
Base36
2lhhzd
md5
5e8294784cfe92088a9ae807174bb1fe
sha1
51951d2d4ca537452a1e12a6f746be54c580fabc
sha256
dac93aae4d54d0a5c0192223eb551003361d1b1e4f72b27a35f07f7313f19704
sha512
9276d60b0e91fbbc61b1d13e38506ef8bb2f544b92aa766c7bfec21f2b04586bb97618299fc8a3f615c4438fc75e829c975401b6a73080ec43b1dda96afb860b
ripemd-160
446962222a27272de6aad430f119942d48d3fa02
Diameter
314041490
Circumference
986590437.90639
Area
7.7457582784969E+16
Volume
1.621659647306E+25
Surface area
3.0983033113988E+17
Circumference
986590437.90639
Perimeter
628082980
Area
24655514360355025
Diagonal
222060867.15293
Surface area
147933086162130150
Volume
3.8714272332211E+24
Space diagonal
271967908.18232
Perimeter
471062235
Area
1.067615088972E+16
Altitude
135983954.09116
Surface area
1.067615088972E+16
Volume
4.5625207491349E+23
Height
74020289.050976