252181721 is an odd 9-digits composite number following 252181720
and preceding 252181722 . In scientific notation, it is written as 2.52181721 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 227794320 positive integers (up to 252181721) that are relatively prime to 252181721.
252181721 has 8 divisors, whose sum is 276861504
The reverse of 252181721 is 127181252
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
two hundred fifty-two million one hundred eighty-one thousand seven hundred twenty-one
Scientific notation
2.52181721 × 10^8
Engineering notation
2.52181721 × 10^6
Prime Factorization
11 × 157 × 146023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
252181721
Product of the distinct prime numbers
The prime factorization of 252181721 is 11 × 157 × 146023.
Since it has a total of 3 prime factors.
10 , 3 , 16 , 30 , 894 , 725 , 9284 , 9704 , 5221 , 89794 , 383866 , 747059 , 207683 , 191122 , 8469370 , 3655081 , 519042764 , 353935359 , 5155683604 , 3081412029
n×2
504363442
n×3
756545163
n×4
1008726884
n×5
1260908605
n÷2
126090860.5
n÷3
84060573.666667
n÷3
63045430.25
n÷5
50436344.2
n2
63595620406521841
n3
1.6037653002179E+25
n4
4.0444029348904E+33
n5
1.0199244925381E+42
2 √n
15880.230508403
3 √n
631.78775069033
4 √n
126.01678661354
5 √n
47.900794941509
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
-252181720
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 252181721 can be divided by 8 positive divisors.
The sum of these divisors (counting 252181721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000001111111110011011001
3
Ternary
122120112011021202
4
Quaternary
33001333303121
5
Quinary
1004024303341
6
Senary
41005043545
8
Octal
1701776331
10
Decimal
252181721
12
Duodecimal
705565b5
16
Hexadecimal
f07fcd9
20
Vigesimal
3ig2e61
36
Base36
4654nt
md5
46d452735debc9bb751bb5a764d64c09
sha1
4bd726dab10934f5f8fdad67b34885bbbc75090b
sha256
f4cfb5b0813d584f2eb8cf5973ff62f6147a1c19dcb046a47f9d932f8398c666
sha512
8491de48f1007c71e7f2ec474b85c6c1c9c51c20da99ad5787f6b645844f18d86d63d60c2f5d7816231a834d0e60ca348fb862b7a56a34ca158be49bd9b57956
ripemd-160
88c8e67e2e498faa59892cafc22c8bf9f9d020ff
Diameter
504363442
Circumference
1584504484.1265
Area
1.9979153386961E+17
Volume
6.7178363803292E+25
Surface area
7.9916613547846E+17
Circumference
1584504484.1265
Perimeter
1008726884
Area
63595620406521841
Diagonal
356638810.02079
Surface area
381573722439131046
Volume
1.6037653002179E+25
Space diagonal
436791553.51216
Perimeter
756545163
Area
2.753771142074E+16
Altitude
218395776.75608
Surface area
2.753771142074E+16
Volume
1.8900555320263E+24
Height
118879603.34026