157423621 is an odd 9-digits composite number following 157423620
and preceding 157423622 . In scientific notation, it is written as 1.57423621 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 145367040 positive integers (up to 157423621) that are relatively prime to 157423621.
157423621 has 8 divisors, whose sum is 169829784
The reverse of 157423621 is 126324751
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-seven million four hundred twenty-three thousand six hundred twenty-one
Scientific notation
1.57423621 × 10^8
Engineering notation
1.57423621 × 10^6
Prime Factorization
17 × 53 × 174721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157423621
Product of the distinct prime numbers
The prime factorization of 157423621 is 17 × 53 × 174721.
Since it has a total of 3 prime factors.
4 , 10 , 62 , 29 , 72 , 372 , 7599 , 2569 , 11771 , 65289 , 175123 , 650789 , 9970162 , 1046034 , 60720308 , 24495949 , 644325489 , 955756446 , 4711697995 , 2273657837
n×2
314847242
n×3
472270863
n×4
629694484
n×5
787118105
n÷2
78711810.5
n÷3
52474540.333333
n÷3
39355905.25
n÷5
31484724.2
n2
24782196448751641
n3
3.9013031012958E+24
n4
6.1415726082452E+32
n5
9.6682859862437E+40
2 √n
12546.857016799
3 √n
539.95383807499
4 √n
112.01275381312
5 √n
43.592721158621
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
-157423620
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 157423621 can be divided by 8 positive divisors.
The sum of these divisors (counting 157423621) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100001100000000101
3
Ternary
101222012221121111
4
Quaternary
21120201200011
5
Quinary
310300023441
6
Senary
23342045021
8
Octal
1130414005
10
Decimal
157423621
12
Duodecimal
44879771
16
Hexadecimal
9621805
20
Vigesimal
293hj11
36
Base36
2lq4ud
md5
bdae8250586f37eed23d3d84b7dd8b49
sha1
668d096fa3b9845744c62b5efa29bcf3d22d25cd
sha256
750e315ad14f7586d54e35c0cb728235a6b3cc3babf52a857a36c07104fff091
sha512
8e792501e8ed7d9a341525958a1b287266bc13c601febb996b6e2df4b939a0e53bbd8cbfefad59c4cca80a4f52404dc804bfe15522615114bd5e29993277568e
ripemd-160
a7580678ade6490814e9f04010af818998b3f5c7
Diameter
314847242
Circumference
989121782.47021
Area
7.7855566303217E+16
Volume
1.6341740216611E+25
Surface area
3.1142226521287E+17
Circumference
989121782.47021
Perimeter
629694484
Area
24782196448751641
Diagonal
222630619.85608
Surface area
148693178692509846
Volume
3.9013031012958E+24
Space diagonal
272665709.88347
Perimeter
472270863
Area
1.0731005843098E+16
Altitude
136332854.94173
Surface area
1.0731005843098E+16
Volume
4.5977297973173E+23
Height
74210206.618694