201987457 is an odd 9-digits composite number following 201987456
and preceding 201987458 . In scientific notation, it is written as 2.01987457 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 171862656 positive integers (up to 201987457) that are relatively prime to 201987457.
201987457 has 8 divisors, whose sum is 207621000
The reverse of 201987457 is 754789102
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred one million nine hundred eighty-seven thousand four hundred fifty-seven
Scientific notation
2.01987457 × 10^8
Engineering notation
2.01987457 × 10^6
Prime Factorization
49 × 137 × 30089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201987457
Product of the distinct prime numbers
The prime factorization of 201987457 is 49 × 137 × 30089.
Since it has a total of 3 prime factors.
3 , 8 , 38 , 82 , 646 , 498 , 607 , 2394 , 12471 , 29057 , 721885 , 751322 , 6780004 , 9090467 , 31532231 , 52887947 , 361277289 , 174259960 , 9497504373 , 4573972958
n×2
403974914
n×3
605962371
n×4
807949828
n×5
1009937285
n÷2
100993728.5
n÷3
67329152.333333
n÷3
50496864.25
n÷5
40397491.4
n2
40798932785326849
n3
8.2408726816221E+24
n4
1.6645529164216E+33
n5
3.3621881062994E+41
2 √n
14212.229135502
3 √n
586.73428610364
4 √n
119.21505414796
5 √n
45.821033474895
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
-201987456
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 201987457 can be divided by 8 positive divisors.
The sum of these divisors (counting 201987457) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000010100001010110000001
3
Ternary
112002002000200221
4
Quaternary
30002201112001
5
Quinary
403202044312
6
Senary
32013143041
8
Octal
1402412601
10
Decimal
201987457
12
Duodecimal
5778aa81
16
Hexadecimal
c0a1581
20
Vigesimal
33288ch
36
Base36
3c9aip
md5
99d4be43ed9d2e58e0a0472cb42224ef
sha1
bbf9badf8cab44d53d48b2afbd442bed0aa5b58a
sha256
4084503bfeb6b7d34723f90f9e99a515d5adca386f3dac4f84bc974397709740
sha512
0bf11fbb66ee5b7b3a2272532ed052500b2f4cda3ebeaaca5d509904df03f1f3265bfd0d8e0b9576d2923c16d249a1dee9fa32562b0ad1d5208eeef995a80844
ripemd-160
5aee0aea9c9c461fcc7d5400d136c8769e5c2407
Diameter
403974914
Circumference
1269124622.057
Area
1.2817362751269E+17
Volume
3.451928676767E+25
Surface area
5.1269451005075E+17
Circumference
1269124622.057
Perimeter
807949828
Area
40798932785326849
Diagonal
285653401.11865
Surface area
244793596711961094
Volume
8.2408726816221E+24
Space diagonal
349852538.01563
Perimeter
605962371
Area
1.7666456119693E+16
Altitude
174926269.00782
Surface area
1.7666456119693E+16
Volume
9.7119615934499E+23
Height
95217800.372884