157389621 is an odd 9-digits composite number following 157389620
and preceding 157389622 . In scientific notation, it is written as 1.57389621 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 94459904 positive integers (up to 157389621) that are relatively prime to 157389621.
157389621 has 16 divisors, whose sum is 231859584
The reverse of 157389621 is 126983751
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-seven million three hundred eighty-nine thousand six hundred twenty-one
Scientific notation
1.57389621 × 10^8
Engineering notation
1.57389621 × 10^6
Prime Factorization
3 × 17 × 23 × 134177
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157389621
Product of the distinct prime numbers
The prime factorization of 157389621 is 3 × 17 × 23 × 134177.
Since it has a total of 4 prime factors.
3 , 10 , 65 , 35 , 228 , 260 , 1876 , 1522 , 20395 , 85839 , 288595 , 205825 , 6554965 , 9856207 , 45445822 , 9820 , 355384850 , 466977793 , 6394519804 , 2411324183
n×2
314779242
n×3
472168863
n×4
629558484
n×5
786948105
n÷2
78694810.5
n÷3
52463207
n÷3
39347405.25
n÷5
31477924.2
n2
24771492798523641
n3
3.8987758631639E+24
n4
6.1362685546731E+32
n5
9.6578498217421E+40
2 √n
12545.502022637
3 √n
539.91496260381
4 √n
112.00670525749
5 √n
43.590837984328
1 , 3 , 17 , 23 , 51 , 69 , 391 , 1173 , 134177 , 402531 , 2281009 , 3086071 , 6843027 , 9258213 , 52463207 , 157389621
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157389620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157389621 can be divided by 16 positive divisors.
The sum of these divisors (counting 157389621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011000011001001100110101
3
Ternary
101222011012222020
4
Quaternary
21120121030311
5
Quinary
310242431441
6
Senary
23341223353
8
Octal
1130311465
10
Decimal
157389621
12
Duodecimal
44861b59
16
Hexadecimal
9619335
20
Vigesimal
293de11
36
Base36
2lpelx
md5
3b4f465e7b052de550af8f442126c2f5
sha1
9a655f754289ffa8e257683bd707093f07fb9974
sha256
06f7c18beddd6a19aeaa8456ac09e856ec52e4e4619b1cfff00f8544dfc583eb
sha512
a3e736f10b8ab561a6e7263437a70108a522fbacccffee8b5d74c58cf213cb1e1618f8bffdd6cfbaaae5ab14b2cb01a9e6fd062fe3982418f990095b475c5b80
ripemd-160
b21a7c4be6deed68b37df79fce3d5d30880a74ee
Diameter
314779242
Circumference
988908154.16976
Area
7.7821939794294E+16
Volume
1.6331154146278E+25
Surface area
3.1128775917718E+17
Circumference
988908154.16976
Perimeter
629558484
Area
24771492798523641
Diagonal
222582536.59496
Surface area
148628956791141846
Volume
3.8987758631639E+24
Space diagonal
272606820.15601
Perimeter
472168863
Area
1.0726371026592E+16
Altitude
136303410.078
Surface area
1.0726371026592E+16
Volume
4.594751418616E+23
Height
74194178.864987