247992021 is an odd 9-digits composite number following 247992020
and preceding 247992022 . In scientific notation, it is written as 2.47992021 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 159626880 positive integers (up to 247992021) that are relatively prime to 247992021.
247992021 has 12 divisors, whose sum is 370563180
The reverse of 247992021 is 120299742
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred forty-seven million nine hundred ninety-two thousand twenty-one
Scientific notation
2.47992021 × 10^8
Engineering notation
2.47992021 × 10^6
Prime Factorization
3 × 3 × 29 × 950161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82664007
Product of the distinct prime numbers
The prime factorization of 247992021 is 3 × 3 × 29 × 950161.
Since it has a total of 4 prime factors.
3 , 8 , 80 , 69 , 949 , 123 , 9333 , 8559 , 16119 , 97990 , 339091 , 604842 , 4129136 , 1297465 , 20236231 , 82720040 , 871972028 , 858660850 , 2305382834 , 7654616492
n×2
495984042
n×3
743976063
n×4
991968084
n×5
1239960105
n÷2
123996010.5
n÷3
82664007
n÷3
61998005.25
n÷5
49598404.2
n2
61500042479664441
n3
1.5251519826118E+25
n4
3.7822552250005E+33
n5
9.3796911718569E+41
2 √n
15747.762412483
3 √n
628.2693924823
4 √n
125.49008890141
5 √n
47.740563580435
1 , 3 , 9 , 29 , 87 , 261 , 950161 , 2850483 , 8551449 , 27554669 , 82664007 , 247992021
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-247992020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 247992021 can be divided by 12 positive divisors.
The sum of these divisors (counting 247992021) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110010000000111011010101
3
Ternary
122021122022002200
4
Quaternary
32302000323111
5
Quinary
1001441221041
6
Senary
40335155113
8
Octal
1662007325
10
Decimal
247992021
12
Duodecimal
6b075a99
16
Hexadecimal
ec80ed5
20
Vigesimal
3h9j011
36
Base36
43nbv9
md5
00487188850bfd844356cd1d47afbe1c
sha1
20d55c573be7a15e3c5d1db2e2cc1047b4eadfbc
sha256
3512f1f10185572616127698bc99e5f7fe9b2666f08ae3958049ac3887109c51
sha512
0b169f145db2e124774738d14f3641a8bd6fc5fadfdea8e05d67327ba30247f89dacc41b30e93bca2c8e3b24193b2fc0177aa5e387ac39bfcd592a4832af90cc
ripemd-160
b8997e5d9ac06d1e1165d8a83716321fe22a7122
Diameter
495984042
Circumference
1558179822.645
Area
1.9320808164957E+17
Volume
6.3885416855748E+25
Surface area
7.728323265983E+17
Circumference
1558179822.645
Perimeter
991968084
Area
61500042479664441
Diagonal
350713679.45851
Surface area
369000254877986646
Volume
1.5251519826118E+25
Space diagonal
429534780.24369
Perimeter
743976063
Area
2.6630299560606E+16
Altitude
214767390.12184
Surface area
2.6630299560606E+16
Volume
1.7974088487415E+24
Height
116904559.8195