71388946 is an even 8-digits composite number following 71388945
and preceding 71388947 . In scientific notation, it is written as 7.1388946 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 35555328 positive integers (up to 71388946) that are relatively prime to 71388946.
71388946 has 8 divisors, whose sum is 107500860
The reverse of 71388946 is 64988317
Previous prime number is 257
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-one million three hundred eighty-eight thousand nine hundred forty-six
Scientific notation
7.1388946 × 10^7
Engineering notation
7.1388946 × 10^6
Prime Factorization
2 × 257 × 138889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71388946
Product of the distinct prime numbers
The prime factorization of 71388946 is 2 × 257 × 138889.
Since it has a total of 3 prime factors.
7 , 1 , 28 , 30 , 134 , 228 , 2962 , 6359 , 77650 , 99051 , 861959 , 676220 , 9560991 , 8882707 , 8146100 , 26376254 , 283652874 , 513702956 , 5011568654 , 1297404724
n×2
142777892
n×3
214166838
n×4
285555784
n×5
356944730
n÷2
35694473
n÷3
23796315.333333
n÷3
17847236.5
n÷5
14277789.2
n2
5096381610990916
n3
3.6382531162242E+23
n4
2.5973105524846E+31
n5
1.8541926277656E+39
2 √n
8449.1979501015
3 √n
414.83652728277
4 √n
91.919518874402
5 √n
37.215700157224
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
-71388945
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 71388946 can be divided by 8 positive divisors.
The sum of these divisors (counting 71388946) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100111100010010
3
Ternary
11222022221020001
4
Quaternary
10100110330102
5
Quinary
121233421241
6
Senary
11030040214
8
Octal
420247422
10
Decimal
71388946
12
Duodecimal
1baa906a
16
Hexadecimal
4414f12
20
Vigesimal
1263c76
36
Base36
16i42a
md5
8a3273af82600242e9cd719f4e5e0bf6
sha1
1879cda246278c39b250d17c039f6cad4191b4f3
sha256
ec1dc0b8e9a033785662770d621d740152a3e9364fe135a16a9f5f271b690eea
sha512
b24c6fd959e4872b0611ba249051979159355bc968632dd93ae3b72c938fcf335c14d06e62eaa46df7ce9272b2f795b6ef1c4c754b11a6682df7bfd882d4cd86
ripemd-160
00423aebccde52b3c3bc3d0bd863f523a38bcd4f
Diameter
142777892
Circumference
448549976.60224
Area
1.6010755028979E+16
Volume
1.5239879015774E+24
Surface area
6.4043020115917E+16
Circumference
448549976.60224
Perimeter
285555784
Area
5096381610990916
Diagonal
100959215.63672
Surface area
30578289665945496
Volume
3.6382531162242E+23
Space diagonal
123649281.57079
Perimeter
214166838
Area
2.206797971249E+15
Altitude
61824640.785395
Surface area
2.206797971249E+15
Volume
4.2877224169254E+22
Height
33653071.878907