157212871 is an odd 9-digits prime number following 157212870
and preceding 157212872 . In scientific notation, it is written as 1.57212871 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 157212870 positive integers (up to 157212871) that are relatively prime to 157212871.
157212871 has 2 divisors, whose sum is 157212872
The reverse of 157212871 is 178212751
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred fifty-seven million two hundred twelve thousand eight hundred seventy-one
Scientific notation
1.57212871 × 10^8
Engineering notation
1.57212871 × 10^6
Prime Factorization
157212871
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
157212871
Product of the distinct prime numbers
The prime factorization of 157212871 is 157212871.
Since it has a total of 1 prime factors.
1 , 9 , 49 , 60 , 60 , 838 , 1396 , 2526 , 27122 , 35505 , 689472 , 835037 , 7034285 , 3076597 , 85596797 , 30875531 , 5197378 , 871639320 , 9280041003 , 8591953773
n×2
314425742
n×3
471638613
n×4
628851484
n×5
786064355
n÷2
78606435.5
n÷3
52404290.333333
n÷3
39303217.75
n÷5
31442574.2
n2
24715886808062641
n3
3.8856555244066E+24
n4
6.1087506070896E+32
n5
9.6037422116356E+40
2 √n
12538.455686407
3 √n
539.71277706737
4 √n
111.97524586446
5 √n
43.581043000555
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
157212872
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
78606436
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12538.455726285
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999872784
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157212871 can be divided by 2 positive divisors.
The sum of these divisors (counting 157212871) is 157212872, the average is 78606436.
Base
System
Value
2
Binary
1001010111101110000011000111
3
Ternary
101221211020111221
4
Quaternary
21113232003013
5
Quinary
310221302441
6
Senary
23333341211
8
Octal
1127560307
10
Decimal
157212871
12
Duodecimal
44797807
16
Hexadecimal
95ee0c7
20
Vigesimal
292bc3b
36
Base36
2llm87
md5
95d38b2665481158c01e6fb9c399c02d
sha1
4fbf98e2be269ba647e612fab0fc2f1bd873035e
sha256
633e6609225b10d1cb21523db17becb8d316aae39661c3a3b57122410d269e37
sha512
90501a9beda22b24361b81ad809aa7a5f81557cb7d8f5b98258158077e75f040a2ffeddbeafd8704f23fc2c2d481372bcb8650fcbffb0544485053d9e7c09130
ripemd-160
f738c1bb4ad19ac29d486a868f6d970118f5b31a
Diameter
314425742
Circumference
987797601.16672
Area
7.7647248423166E+16
Volume
1.6276195799808E+25
Surface area
3.1058899369267E+17
Circumference
987797601.16672
Perimeter
628851484
Area
24715886808062641
Diagonal
222332574.34781
Surface area
148295320848375846
Volume
3.8856555244066E+24
Space diagonal
272300680.17577
Perimeter
471638613
Area
1.0702292926421E+16
Altitude
136150340.08789
Surface area
1.0702292926421E+16
Volume
4.5792889511047E+23
Height
74110858.115937