71387908 is an even 8-digits composite number following 71387907
and preceding 71387909 . In scientific notation, it is written as 7.1387908 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 34463072 positive integers (up to 71387908) that are relatively prime to 71387908.
71387908 has 12 divisors, whose sum is 129236940
The reverse of 71387908 is 80978317
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred eighty-seven thousand nine hundred eight
Scientific notation
7.1387908 × 10^7
Engineering notation
7.1387908 × 10^6
Prime Factorization
2 × 2 × 29 × 615413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35693954
Product of the distinct prime numbers
The prime factorization of 71387908 is 2 × 2 × 29 × 615413.
Since it has a total of 4 prime factors.
2 , 1 , 8 , 11 , 126 , 481 , 7539 , 4164 , 35941 , 18878 , 769222 , 922063 , 6680589 , 584873 , 71116991 , 19348107 , 645423913 , 974503166 , 4418196485 , 5960519923
n×2
142775816
n×3
214163724
n×4
285551632
n×5
356939540
n÷2
35693954
n÷3
23795969.333333
n÷3
17846977
n÷5
14277581.6
n2
5096233408616464
n3
3.6380944172084E+23
n4
2.5971594955099E+31
n5
1.8540578312678E+39
2 √n
8449.1365239295
3 √n
414.8345166895
4 √n
91.919184743608
5 √n
37.215591932846
1 , 2 , 4 , 29 , 58 , 116 , 615413 , 1230826 , 2461652 , 17846977 , 35693954 , 71387908
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
-71387907
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 71387908 can be divided by 12 positive divisors.
The sum of these divisors (counting 71387908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010100101100000100
3
Ternary
11222022212210121
4
Quaternary
10100110230010
5
Quinary
121233403113
6
Senary
11030031324
8
Octal
420245404
10
Decimal
71387908
12
Duodecimal
1baa8544
16
Hexadecimal
4414b04
20
Vigesimal
12639f8
36
Base36
16i39g
md5
2f23a404429f1d12db0d6757acfd1512
sha1
3b0ce3e836336f190685a145ee3ee455147b550d
sha256
a06a1d48848f4e64aaabdf571cdf83c439ac4909bab2d91214d336bae42f465c
sha512
d32ee07faacdb2518396767831ead33f6e12ca5be5a931cb89f773c64dab4e7b3c5cf88817346107ae35ecc1a12c8c14cd424fbc21ebd184cd0bb047b53c52dd
ripemd-160
ebd30746ac0f0fc76a2912949867f6adc19d1098
Diameter
142775816
Circumference
448543454.65589
Area
1.6010289437488E+16
Volume
1.5239214258891E+24
Surface area
6.4041157749953E+16
Circumference
448543454.65589
Perimeter
285551632
Area
5096233408616464
Diagonal
100957747.68304
Surface area
30577400451698784
Volume
3.6380944172084E+23
Space diagonal
123647483.70205
Perimeter
214163724
Area
2.2067337977384E+15
Altitude
61823741.851026
Surface area
2.2067337977384E+15
Volume
4.2875353883416E+22
Height
33652582.561014