157439820 is an even 9-digits composite number following 157439819
and preceding 157439821 . In scientific notation, it is written as 1.57439820 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 41983936 positive integers (up to 157439820) that are relatively prime to 157439820.
157439820 has 12 divisors, whose sum is 293887776
The reverse of 157439820 is 028934751
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred fifty-seven million four hundred thirty-nine thousand eight hundred twenty
Scientific notation
1.57439820 × 10^8
Engineering notation
1.57439820 × 10^6
Prime Factorization
2 × 2 × 15 × 2623997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78719910
Product of the distinct prime numbers
The prime factorization of 157439820 is 2 × 2 × 15 × 2623997.
Since it has a total of 4 prime factors.
3 , 3 , 13 , 88 , 229 , 299 , 6010 , 7942 , 92079 , 44804 , 445754 , 62032 , 2892011 , 5056233 , 73937489 , 89097166 , 55766182 , 467286437 , 1464772305 , 5029104066
n×2
314879640
n×3
472319460
n×4
629759280
n×5
787199100
n÷2
78719910
n÷3
52479940
n÷3
39359955
n÷5
31487964
n2
24787296921632400
n3
3.9025075656284E+24
n4
6.1441008868117E+32
n5
9.6732613768147E+40
2 √n
12547.502540346
3 √n
539.97235798149
4 √n
112.01563524949
5 √n
43.593618265956
1 , 2 , 4 , 15 , 30 , 60 , 2623997 , 5247994 , 10495988 , 39359955 , 78719910 , 157439820
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157439819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157439820 can be divided by 12 positive divisors.
The sum of these divisors (counting 157439820) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011000100101011101001100
3
Ternary
101222020202211110
4
Quaternary
21120211131030
5
Quinary
310301033240
6
Senary
23342252020
8
Octal
1130453514
10
Decimal
157439820
12
Duodecimal
44887010
16
Hexadecimal
962574c
20
Vigesimal
293jjb0
36
Base36
2lqhcc
md5
c288b7d8765f98a3289ea377cf4de704
sha1
404f73bf69c794f5ad800682f2da6c6de6880c18
sha256
3e6c0d5a13886a75e1717c741214c7fefef81f7f4380c5da14ff991a74cf5552
sha512
a4279d1eae88a571c4c97db5d271cf1bbdfdba4e2ecaf36b3c28d030ad5a70bc11cca3b6abb379e6392cda75a6e0baec16e3953e0a7d7564f55a64741b5a5c91
ripemd-160
33d6b150de6db3f886c75949e2b98b88e4e14d22
Diameter
314879640
Circumference
989223563.789
Area
7.7871589911349E+16
Volume
1.6346785465009E+25
Surface area
3.114863596454E+17
Circumference
989223563.789
Perimeter
629759280
Area
24787296921632400
Diagonal
222653528.70158
Surface area
148723781529794400
Volume
3.9025075656284E+24
Space diagonal
272693767.3745
Perimeter
472319460
Area
1.0733214412641E+16
Altitude
136346883.68725
Surface area
1.0733214412641E+16
Volume
4.599149272146E+23
Height
74217842.900526