71388520 is an even 8-digits composite number following 71388519
and preceding 71388521 . In scientific notation, it is written as 7.1388520 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors.
There are 24475968 positive integers (up to 71388520) that are relatively prime to 71388520.
71388520 has 32 divisors, whose sum is 183571200
The reverse of 71388520 is 02588317
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-one million three hundred eighty-eight thousand five hundred twenty
Scientific notation
7.1388520 × 10^7
Engineering notation
7.1388520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 7 × 254959
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17847130
Product of the distinct prime numbers
The prime factorization of 71388520 is 2 × 2 × 2 × 5 × 7 × 254959.
Since it has a total of 6 prime factors.
10 , 5 , 72 , 16 , 82 , 458 , 4754 , 6130 , 76640 , 4802 , 762279 , 701432 , 2651694 , 1400024 , 39356411 , 89468692 , 676233529 , 351055152 , 8287993373 , 5719777219
n×2
142777040
n×3
214165560
n×4
285554080
n×5
356942600
n÷2
35694260
n÷3
23796173.333333
n÷3
17847130
n÷5
14277704
n2
5096320787790400
n3
3.6381879848559E+23
n4
2.5972485572065E+31
n5
1.854137305711E+39
2 √n
8449.1727405705
3 √n
414.83570212835
4 √n
91.91938174602
5 √n
37.215655741591
1 , 2 , 4 , 5 , 7 , 8 , 10 , 14 , 20 , 28 , 35 , 40 , 56 , 70 , 140 , 280 , 254959 , 509918 , 1019836 , 1274795 , 1784713 , 2039672 , 2549590 , 3569426 , 5099180 , 7138852 , 8923565 , 10198360 , 14277704 , 17847130 , 35694260 , 71388520
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388520 can be divided by 32 positive divisors.
The sum of these divisors (counting 71388520) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100110101101000
3
Ternary
11222022220122021
4
Quaternary
10100110311220
5
Quinary
121233413040
6
Senary
11030034224
8
Octal
420246550
10
Decimal
71388520
12
Duodecimal
1baa8974
16
Hexadecimal
4414d68
20
Vigesimal
1263b60
36
Base36
16i3qg
md5
b164bda1b9c565badac2a00840670ea8
sha1
6a2b94ce5c4e3f4c13541cf520ab762ad4a8d35b
sha256
69bc805bf346f69336db722b579ee0b73f4d2c7f697b243c9cf36f1086964114
sha512
ef4d9597328fbe87c50d213e890551483878c099024ac22589c737be6aabaa42e0baa377f8d48c50f99a7dad7dbfa3db49eb1af6fc2eed58817279fe6f841ec6
ripemd-160
9e3cba9aa07dc745583daef81b28b669e303f7c3
Diameter
142777040
Circumference
448547299.9653
Area
1.6010563947259E+16
Volume
1.5239606194136E+24
Surface area
6.4042255789037E+16
Circumference
448547299.9653
Perimeter
285554080
Area
5096320787790400
Diagonal
100958613.18174
Surface area
30577924726742400
Volume
3.6381879848559E+23
Space diagonal
123648543.71715
Perimeter
214165560
Area
2.2067716340306E+15
Altitude
61824271.858573
Surface area
2.2067716340306E+15
Volume
4.2876456588717E+22
Height
33652871.060581