157441721 is an odd 9-digits prime number following 157441720
and preceding 157441722 . In scientific notation, it is written as 1.57441721 × 10^8.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 157441720 positive integers (up to 157441721) that are relatively prime to 157441721.
157441721 has 2 divisors, whose sum is 157441722
The reverse of 157441721 is 127144751
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 32 Digital Root 5
Name
one hundred fifty-seven million four hundred forty-one thousand seven hundred twenty-one
Scientific notation
1.57441721 × 10^8
Engineering notation
1.57441721 × 10^6
Prime Factorization
157441721
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
157441721 Product of the distinct prime numbers
The prime factorization of 157441721 is 157441721.
Since it has a total of 1 prime factors.
7 , 4 , 25 , 49 , 252 , 66 , 6039 , 4074 , 52785 , 3035 , 168072 , 430401 , 2923267 , 7153196 , 85097508 , 75237260 , 352578692 , 375850226 , 1100512524 , 6452234158
n×2
314883442
n×3
472325163
n×4
629766884
n×5
787208605
n÷2
78720860.5
n÷3
52480573.666667
n÷3
39360430.25
n÷5
31488344.2
n2
24787895511441841
n3
3.9026489292896E+24
n4
6.1443976388616E+32
n5
9.673845387707E+40
2 √n12547.578292244
3 √n539.97453126337
4 √n112.01597337989
5 √n43.593723539283
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
157441722 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
78720861 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12547.578332093 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999872969 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157441721 can be divided by 2 positive divisors.
The sum of these divisors (counting 157441721) is 157441722, the average is 78720861.
Base
System
Value
2
Binary
1001011000100101111010111001
3
Ternary
101222020212102212
4
Quaternary
21120211322321
5
Quinary
310301113341
6
Senary
23342304505
8
Octal
1130457271
10
Decimal
157441721
12
Duodecimal
44888135
16
Hexadecimal
9625eb9
20
Vigesimal
2940461
36
Base36
2lqit5
md5
9ae115e9dbb55cc2059697633eae4687
sha1
cac148ff5fb161733dea7d6d5f114adf9e5cb838
sha256
a903c5fde0fc22ab6f982a113b19609118eb1c54bd2d5ac9ae599e306184a563
sha512
e47a36d8dba5fa70743b7e3dade77da34742a8e7158e1fb475aa7b48e5c5731ef718093a44b9af37b8b77493310a0a773c4e020b6bce15aa825e6970500d9b7e
ripemd-160
848d1d8f9fb534c258725523c3e84c2190adb4d5
Diameter
314883442
Circumference
989235508.12427
Area
7.7873470436697E+16
Volume
1.6347377607728E+25
Surface area
3.1149388174679E+17
Circumference
989235508.12427
Perimeter
629766884
Area
24787895511441841
Diagonal
222656217.12156
Surface area
148727373068651046
Volume
3.9026489292896E+24
Space diagonal
272697060.00308
Perimeter
472325163
Area
1.0733473609631E+16
Altitude
136348530.00154
Surface area
1.0733473609631E+16
Volume
4.5993158708185E+23
Height
74218739.04052