78972005 is an odd 8-digits composite number following 78972004
and preceding 78972006 . In scientific notation, it is written as 7.8972005 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 54152208 positive integers (up to 78972005) that are relatively prime to 78972005.
78972005 has 8 divisors, whose sum is 108304512
The reverse of 78972005 is 50027987
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million nine hundred seventy-two thousand five
Scientific notation
7.8972005 × 10^7
Engineering notation
7.8972005 × 10^6
Prime Factorization
5 × 7 × 2256343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78972005
Product of the distinct prime numbers
The prime factorization of 78972005 is 5 × 7 × 2256343.
Since it has a total of 3 prime factors.
3 , 4 , 69 , 100 , 814 , 14 , 5925 , 4152 , 96467 , 49622 , 413298 , 812249 , 7383224 , 7783236 , 77501413 , 41258472 , 681871120 , 265153113 , 7554620238 , 880067138
n×2
157944010
n×3
236916015
n×4
315888020
n×5
394860025
n÷2
39486002.5
n÷3
26324001.666667
n÷3
19743001.25
n÷5
15794401
n2
6236577573720025
n3
4.9251503533471E+23
n4
3.8894899833028E+31
n5
3.0716082240884E+39
2 √n
8886.6194359835
3 √n
429.03335229348
4 √n
94.268867798354
5 √n
37.974724592101
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
-78972004
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 78972005 can be divided by 8 positive divisors.
The sum of these divisors (counting 78972005) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101101010000010001100101
3
Ternary
12111121012020002
4
Quaternary
10231100101211
5
Quinary
130204101010
6
Senary
11500351045
8
Octal
455202145
10
Decimal
78972005
12
Duodecimal
22545485
16
Hexadecimal
4b50465
20
Vigesimal
14dba05
36
Base36
1b0n6t
md5
0e07e2e2ddceb9c567530054189bf184
sha1
d4905046881ac7846fd5d6739e60b21a3496094a
sha256
30b3c48eb631ab2d884ac27520d4170a8544eefc1fbcb7120d1be93f962d30ef
sha512
1ab50f38d73f5232401c9c23ff5a24de93001c15705063100753f401a9128284c673a022bfd0ab296c447ee286dd618e75f618f8c7ea0048891c8147698dc11e
ripemd-160
bf9a96e7a5a3a791017351ded16121b3e273fc46
Diameter
157944010
Circumference
496195741.49451
Area
1.9592786289142E+16
Volume
2.06304215572E+24
Surface area
7.8371145156567E+16
Circumference
496195741.49451
Perimeter
315888020
Area
6236577573720025
Diagonal
111683280.5188
Surface area
37419465442320150
Volume
4.9251503533471E+23
Space diagonal
136783525.03558
Perimeter
236916015
Area
2.7005173057569E+15
Altitude
68391762.517792
Surface area
2.7005173057569E+15
Volume
5.8043453553584E+22
Height
37227760.172932