157020321 is an odd 9-digits composite number following 157020320
and preceding 157020322 . In scientific notation, it is written as 1.57020321 × 10^8.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 102857040 positive integers (up to 157020321) that are relatively prime to 157020321.
157020321 has 8 divisors, whose sum is 158443264
The reverse of 157020321 is 123020751
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred fifty-seven million twenty thousand three hundred twenty-one
Scientific notation
1.57020321 × 10^8
Engineering notation
1.57020321 × 10^6
Prime Factorization
237 × 223 × 2971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157020321
Product of the distinct prime numbers
The prime factorization of 157020321 is 237 × 223 × 2971.
Since it has a total of 3 prime factors.
8 , 10 , 76 , 11 , 225 , 1 , 7319 , 4364 , 96709 , 18219 , 950555 , 342832 , 18469 , 2921950 , 40905250 , 99816886 , 856457205 , 466234665 , 6737409557 , 434757407
n×2
314040642
n×3
471060963
n×4
628081284
n×5
785101605
n÷2
78510160.5
n÷3
52340107
n÷3
39255080.25
n÷5
31404064.2
n2
24655381206943041
n3
3.8713958714916E+24
n4
6.0788782245968E+32
n5
9.545074101461E+40
2 √n
12530.774956083
3 √n
539.49234526204
4 √n
111.94094405571
5 √n
43.570362394207
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
-157020320
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 157020321 can be divided by 8 positive divisors.
The sum of these divisors (counting 157020321) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111000010100001
3
Ternary
101221110110101110
4
Quaternary
21112333002201
5
Quinary
310144122241
6
Senary
23325253533
8
Octal
1126770241
10
Decimal
157020321
12
Duodecimal
447042a9
16
Hexadecimal
95bf0a1
20
Vigesimal
2917ag1
36
Base36
2lhhnl
md5
61cb2749c1f96ec32d3b827d6f43e093
sha1
7ccafdd8d0c2c8090671d722df268e3765a44bc1
sha256
ec9f5db20cebccde87acbb7605b8387726b30427177c432b3d6273f615527f86
sha512
14cb4c1d9bee15bc543fd604346418fc455ab0951ff7edf4559ab4dc8b6af1d204b815527e1aed3cfb0fea8521607e08e7324534e506463c9869719582402c41
ripemd-160
13b14254a4c6e5d6bdb1f4e4010a54c2afc8e3b0
Diameter
314040642
Circumference
986587773.83582
Area
7.7457164471188E+16
Volume
1.6216465105354E+25
Surface area
3.0982865788475E+17
Circumference
986587773.83582
Perimeter
628081284
Area
24655381206943041
Diagonal
222060267.52638
Surface area
147932287241658246
Volume
3.8713958714916E+24
Space diagonal
271967173.79277
Perimeter
471060963
Area
1.0676093232601E+16
Altitude
135983586.89639
Surface area
1.0676093232601E+16
Volume
4.5624837889821E+23
Height
74020089.175459