157021745 is an odd 9-digits composite number following 157021744
and preceding 157021746 . In scientific notation, it is written as 1.57021745 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 125346544 positive integers (up to 157021745) that are relatively prime to 157021745.
157021745 has 8 divisors, whose sum is 188832384
The reverse of 157021745 is 547120751
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred fifty-seven million twenty-one thousand seven hundred forty-five
Scientific notation
1.57021745 × 10^8
Engineering notation
1.57021745 × 10^6
Prime Factorization
5 × 467 × 67247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157021745
Product of the distinct prime numbers
The prime factorization of 157021745 is 5 × 467 × 67247.
Since it has a total of 3 prime factors.
6 , 2 , 22 , 6 , 446 , 579 , 3901 , 7210 , 19333 , 60259 , 560848 , 588485 , 8368934 , 8299340 , 1169195 , 88914615 , 762272623 , 84940835 , 5857819202 , 6387356817
n×2
314043490
n×3
471065235
n×4
628086980
n×5
785108725
n÷2
78510872.5
n÷3
52340581.666667
n÷3
39255436.25
n÷5
31404349
n2
24655828402845025
n3
3.8715012002353E+24
n4
6.0790987423054E+32
n5
9.545506925441E+40
2 √n
12530.831776063
3 √n
539.49397612266
4 √n
111.94119784987
5 √n
43.570441420885
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
-157021744
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 157021745 can be divided by 8 positive divisors.
The sum of these divisors (counting 157021745) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111011000110001
3
Ternary
101221110112100012
4
Quaternary
21112333120301
5
Quinary
310144143440
6
Senary
23325304305
8
Octal
1126773061
10
Decimal
157021745
12
Duodecimal
44705095
16
Hexadecimal
95bf631
20
Vigesimal
2917e75
36
Base36
2lhir5
md5
4012ffbba1a52b2587b0f82b2cef12a3
sha1
1a03c9c66cf2d43fef25fa2d67664c495a118698
sha256
d98f51329225916b549b85a0f311b767ac329f0179aa6a8c07537455eb1e8d0d
sha512
659f6de97e57a4f3a87eead40515183dd330ad5b0995fd00f90d3eb1cdf9c36fb78f248cccbe9cb8ddeed9c38b80d4bf36a088732c28bda220ebb4f79c89bbcc
ripemd-160
a1f45a06b7f2190df2c223532974dbe479283b59
Diameter
314043490
Circumference
986596721.0917
Area
7.7458569378548E+16
Volume
1.6216906305364E+25
Surface area
3.0983427751419E+17
Circumference
986596721.0917
Perimeter
628086980
Area
24655828402845025
Diagonal
222062281.36649
Surface area
147934970417070150
Volume
3.8715012002353E+24
Space diagonal
271969640.23312
Perimeter
471065235
Area
1.0676286874107E+16
Altitude
135984820.11656
Surface area
1.0676286874107E+16
Volume
4.5626079200971E+23
Height
74020760.455497