71620281 is an odd 8-digits composite number following 71620280
and preceding 71620282 . In scientific notation, it is written as 7.1620281 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 47746800 positive integers (up to 71620281) that are relatively prime to 71620281.
71620281 has 4 divisors, whose sum is 72504564
The reverse of 71620281 is 18202617
Previous prime number is 81
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-one million six hundred twenty thousand two hundred eighty-one
Scientific notation
7.1620281 × 10^7
Engineering notation
7.1620281 × 10^6
Prime Factorization
81 × 884201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71620281
Product of the distinct prime numbers
The prime factorization of 71620281 is 81 × 884201.
Since it has a total of 2 prime factors.
5 , 9 , 63 , 99 , 46 , 977 , 5946 , 2542 , 27236 , 95173 , 788960 , 267894 , 6812374 , 6613148 , 41985174 , 25768613 , 596158717 , 741286235 , 8878608951 , 5959263182
n×2
143240562
n×3
214860843
n×4
286481124
n×5
358101405
n÷2
35810140.5
n÷3
23873427
n÷3
17905070.25
n÷5
14324056.2
n2
5129464650518961
n3
3.6737369964973E+23
n4
2.6311407600924E+31
n5
1.8844304058837E+39
2 √n
8462.8766385905
3 √n
415.28413502653
4 √n
91.99389457236
5 √n
37.239788357992
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71620280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71620281 can be divided by 4 positive divisors.
The sum of these divisors (counting 71620281) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010001001101011010111001
3
Ternary
11222202200120000
4
Quaternary
10101031122321
5
Quinary
121313322111
6
Senary
11035023213
8
Octal
421153271
10
Decimal
71620281
12
Duodecimal
1bb9ab09
16
Hexadecimal
444d6b9
20
Vigesimal
127cae1
36
Base36
16n2k9
md5
2cd2db85d4705a14d061577e76d7da62
sha1
5d55edcda6249fcaaab121b574324932d5638c68
sha256
9fcfb4878e15ac514ce064c09dd03cfceacc7c59055768851690c352030eed0c
sha512
9b52a1972aa26982d11f5732c16a4104dcb6b3666062605c43ee6a19411bb99f5bf9893c58efcc6277160ffaacdcb1845fb8b9c426eb9465ce127a9f61f79239
ripemd-160
385637f3d02157f31fb731fcac89fc8068888dbb
Diameter
143240562
Circumference
450003497.27527
Area
1.6114688462919E+16
Volume
1.5388513545889E+24
Surface area
6.4458753851676E+16
Circumference
450003497.27527
Perimeter
286481124
Area
5129464650518961
Diagonal
101286372.73117
Surface area
30776787903113766
Volume
3.6737369964973E+23
Space diagonal
124049965.54436
Perimeter
214860843
Area
2.2211233475818E+15
Altitude
62024982.77218
Surface area
2.2211233475818E+15
Volume
4.3295405708653E+22
Height
33762124.243724