157213812 is an even 9-digits composite number following 157213811
and preceding 157213813 . In scientific notation, it is written as 1.57213812 × 10^8.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 44817792 positive integers (up to 157213812) that are relatively prime to 157213812.
157213812 has 24 divisors, whose sum is 288870120
The reverse of 157213812 is 218312751
Previous prime number is 509
Is Prime? no Number parity even Number length 9 Sum of Digits 30 Digital Root 3
Name
one hundred fifty-seven million two hundred thirteen thousand eight hundred twelve
Scientific notation
1.57213812 × 10^8
Engineering notation
1.57213812 × 10^6
Prime Factorization
2 × 2 × 21 × 509 × 3677
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
78606906 Product of the distinct prime numbers
The prime factorization of 157213812 is 2 × 2 × 21 × 509 × 3677.
Since it has a total of 5 prime factors.
1 , 3 , 83 , 4 , 900 , 722 , 8190 , 701 , 70051 , 60394 , 440295 , 126307 , 5611375 , 8177519 , 97159982 , 40353196 , 589676923 , 666127280 , 4230913600 , 2856697414
n×2
314427624
n×3
471641436
n×4
628855248
n×5
786069060
n÷2
78606906
n÷3
52404604
n÷3
39303453
n÷5
31442762.4
n2
24716182683571344
n3
3.8857252977726E+24
n4
6.1088968644767E+32
n5
9.6040296317923E+40
2 √n12538.493210909
3 √n539.71385388486
4 √n111.97541342147
5 √n43.581095171427
1 , 2 , 4 , 21 , 42 , 84 , 509 , 1018 , 2036 , 3677 , 7354 , 10689 , 14708 , 21378 , 42756 , 77217 , 154434 , 308868 , 1871593 , 3743186 , 7486372 , 39303453 , 78606906 , 157213812
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
-157213811 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 157213812 can be divided by 24 positive divisors.
The sum of these divisors (counting 157213812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010111101110010001110100
3
Ternary
101221211021210210
4
Quaternary
21113232101310
5
Quinary
310221320222
6
Senary
23333345420
8
Octal
1127562164
10
Decimal
157213812
12
Duodecimal
44798270
16
Hexadecimal
95ee474
20
Vigesimal
292beac
36
Base36
2llmyc
md5
fb60752ed7210aeb5d10cce1b2094874
sha1
b74b8d90a56a29d9284beca82da85702c45febd2
sha256
a210a1a55d6385ca11d2d8a7d16c7390ce4d8630bcb18c3777bc9a9246cf66ed
sha512
e7111be4192003d3cf0509558890ae22041d05b84189464bc861169911d13bd29d472dac6712893356b402697c631b327db63b1f2c6543c62aae005b5e16c30c
ripemd-160
689dd4b0ef68d79e018051e548e2a1a6399aa295
Diameter
314427624
Circumference
987803513.64409
Area
7.7648177943491E+16
Volume
1.6276488065801E+25
Surface area
3.1059271177396E+17
Circumference
987803513.64409
Perimeter
628855248
Area
24716182683571344
Diagonal
222333905.12277
Surface area
148297096101428064
Volume
3.8857252977726E+24
Space diagonal
272302310.03558
Perimeter
471641436
Area
1.0702421044275E+16
Altitude
136151155.01779
Surface area
1.0702421044275E+16
Volume
4.5793711798053E+23
Height
74111301.707591