157212890 is an even 9-digits composite number following 157212889
and preceding 157212891 . In scientific notation, it is written as 1.57212890 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 62885152 positive integers (up to 157212890) that are relatively prime to 157212890.
157212890 has 8 divisors, whose sum is 282983220
The reverse of 157212890 is 098212751
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred fifty-seven million two hundred twelve thousand eight hundred ninety
Scientific notation
1.57212890 × 10^8
Engineering notation
1.57212890 × 10^6
Prime Factorization
2 × 5 × 15721289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157212890
Product of the distinct prime numbers
The prime factorization of 157212890 is 2 × 5 × 15721289.
Since it has a total of 3 prime factors.
6 , 10 , 74 , 75 , 252 , 239 , 624 , 1880 , 65661 , 79711 , 223644 , 753606 , 3779961 , 4360853 , 52330304 , 55344902 , 207170058 , 694405294 , 1952987147 , 496235285
n×2
314425780
n×3
471638670
n×4
628851560
n×5
786064450
n÷2
78606445
n÷3
52404296.666667
n÷3
39303222.5
n÷5
31442578
n2
24715892782152100
n3
3.8856569332123E+24
n4
6.1087535601884E+32
n5
9.60374801495E+40
2 √n
12538.456444076
3 √n
539.71279880974
4 √n
111.97524924766
5 √n
43.581044053954
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
-157212889
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 157212890 can be divided by 8 positive divisors.
The sum of these divisors (counting 157212890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111101110000011011010
3
Ternary
101221211020112122
4
Quaternary
21113232003122
5
Quinary
310221303030
6
Senary
23333341242
8
Octal
1127560332
10
Decimal
157212890
12
Duodecimal
44797822
16
Hexadecimal
95ee0da
20
Vigesimal
292bc4a
36
Base36
2llm8q
md5
3086d71462911dbbfba7cd7cc4110699
sha1
1a9085b9bde97623093118be5a2ae7292d028ff3
sha256
f317b6f53a5d53d2ad380beccc73de6a8d79cd7a23407378b51fe4847a2b6d8d
sha512
4d2482ee9561f7c1e5e27329daab11bdf3fe974798187258e5132c4fb68479dd81bc8c34ea67b2961f02a32e268b7e87ffe5e4328f2b652e32aa75056e88ee02
ripemd-160
dc699ed9cd55a92a7bdbcb52af99a582c4e65105
Diameter
314425780
Circumference
987797720.54724
Area
7.7647267191322E+16
Volume
1.6276201701E+25
Surface area
3.1058906876529E+17
Circumference
987797720.54724
Perimeter
628851560
Area
24715892782152100
Diagonal
222332601.21787
Surface area
148295356692912600
Volume
3.8856569332123E+24
Space diagonal
272300713.08474
Perimeter
471638670
Area
1.0702295513278E+16
Altitude
136150356.54237
Surface area
1.0702295513278E+16
Volume
4.5792906113982E+23
Height
74110867.072623