157215420 is an even 9-digits composite number following 157215419
and preceding 157215421 . In scientific notation, it is written as 1.57215420 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 41924064 positive integers (up to 157215420) that are relatively prime to 157215420.
157215420 has 24 divisors, whose sum is 391292160
The reverse of 157215420 is 024512751
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 27 Digital Root 9
Name
one hundred fifty-seven million two hundred fifteen thousand four hundred twenty
Scientific notation
1.57215420 × 10^8
Engineering notation
1.57215420 × 10^6
Prime Factorization
2 × 2 × 15 × 3 × 873419
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
78607710 Product of the distinct prime numbers
The prime factorization of 157215420 is 2 × 2 × 15 × 3 × 873419.
Since it has a total of 5 prime factors.
4 , 1 , 34 , 53 , 899 , 230 , 4312 , 7627 , 45817 , 75302 , 539644 , 276975 , 217740 , 1407060 , 26722171 , 77654662 , 190994569 , 136610854 , 1984483168 , 7858893254
n×2
314430840
n×3
471646260
n×4
628861680
n×5
786077100
n÷2
78607710
n÷3
52405140
n÷3
39303855
n÷5
31443084
n2
24716688285776400
n3
3.8858445298574E+24
n4
6.1091467981624E+32
n5
9.6045207971475E+40
2 √n12538.557333282
3 √n539.71569396263
4 √n111.97569974455
5 √n43.581184321501
1 , 2 , 3 , 4 , 6 , 12 , 15 , 30 , 45 , 60 , 90 , 180 , 873419 , 1746838 , 2620257 , 3493676 , 5240514 , 10481028 , 13101285 , 26202570 , 39303855 , 52405140 , 78607710 , 157215420
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-157215419 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157215420 can be divided by 24 positive divisors.
The sum of these divisors (counting 157215420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010111101110101010111100
3
Ternary
101221211101000100
4
Quaternary
21113232222330
5
Quinary
310221343140
6
Senary
23333401100
8
Octal
1127565274
10
Decimal
157215420
12
Duodecimal
44799190
16
Hexadecimal
95eeabc
20
Vigesimal
292bib0
36
Base36
2llo70
md5
966bc4637683516ad35a6a8a7a8367a9
sha1
e0f1947ba58c83eae24ac18f82307bf4e46b0dd8
sha256
4021e0320552bf7636d209d6e43f34ec089b43d4f4d3dd30248b709820c63d05
sha512
8e7354e89be5f84fb44d9ec02d5028f0420718b1217b3ab37717e549f40ab226f37367f7203696c875ab6e7bdffae786eecb7940f4b6a4788af94e6fbd08834d
ripemd-160
c837584c281170d6edea742bd6f5fce6d1734867
Diameter
314430840
Circumference
987813617.00607
Area
7.7649766339664E+16
Volume
1.627698750399E+25
Surface area
3.1059906535866E+17
Circumference
987813617.00607
Perimeter
628861680
Area
24716688285776400
Diagonal
222336179.17818
Surface area
148300129714658400
Volume
3.8858445298574E+24
Space diagonal
272305095.17328
Perimeter
471646260
Area
1.0702639976452E+16
Altitude
136152547.58664
Surface area
1.0702639976452E+16
Volume
4.5795116961647E+23
Height
74112059.726061