69872721 is an odd 8-digits composite number following 69872720
and preceding 69872722 . In scientific notation, it is written as 6.9872721 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 45205776 positive integers (up to 69872721) that are relatively prime to 69872721.
69872721 has 16 divisors, whose sum is 95943936
The reverse of 69872721 is 12727896
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-nine million eight hundred seventy-two thousand seven hundred twenty-one
Scientific notation
6.9872721 × 10^7
Engineering notation
6.9872721 × 10^6
Prime Factorization
3 × 43 × 163 × 3323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69872721
Product of the distinct prime numbers
The prime factorization of 69872721 is 3 × 43 × 163 × 3323.
Since it has a total of 4 prime factors.
7 , 9 , 11 , 93 , 136 , 291 , 5398 , 9739 , 20559 , 79287 , 725044 , 422391 , 5380502 , 2487926 , 41697488 , 68714230 , 448767702 , 201907116 , 9391782481 , 926451854
n×2
139745442
n×3
209618163
n×4
279490884
n×5
349363605
n÷2
34936360.5
n÷3
23290907
n÷3
17468180.25
n÷5
13974544.2
n2
4882197139943841
n3
3.4113239862629E+23
n4
2.3835848913276E+31
n5
1.6654756209155E+39
2 √n
8358.9904294717
3 √n
411.87859125712
4 √n
91.427514619351
5 √n
37.056255418775
1 , 3 , 43 , 129 , 163 , 489 , 3323 , 7009 , 9969 , 21027 , 142889 , 428667 , 541649 , 1624947 , 23290907 , 69872721
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-69872720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 69872721 can be divided by 16 positive divisors.
The sum of these divisors (counting 69872721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001010100010110001010001
3
Ternary
11212110220100120
4
Quaternary
10022202301101
5
Quinary
120341411341
6
Senary
10533340453
8
Octal
412426121
10
Decimal
69872721
12
Duodecimal
1b497729
16
Hexadecimal
42a2c51
20
Vigesimal
11ge1g1
36
Base36
15lm4x
md5
1e7ed642fa9de8233e865a87854797b6
sha1
864a252b84e6485a2c1e874175457c37927335f5
sha256
aa5475657d838385aa400ebd1291fd1c5362759872021c9c7d4d6fe070001531
sha512
7cc54ed0306349384ccb21bf47169edc3c61d5edfaea5e9bce7ebb938733e6f8a2aa5822a8bf71ae5f04175ccff6452edc55db11cb3e8315696688f383e7c003
ripemd-160
2bf0d1cfb2f4839cd92e145bd62fedbc33fa9246
Diameter
139745442
Circumference
439023253.95986
Area
1.5337874668225E+16
Volume
1.4289320499011E+24
Surface area
6.1351498672899E+16
Circumference
439023253.95986
Perimeter
279490884
Area
4882197139943841
Diagonal
98814949.678111
Surface area
29293182839663046
Volume
3.4113239862629E+23
Space diagonal
121023102.83508
Perimeter
209618163
Area
2.1140533747375E+15
Altitude
60511551.417542
Surface area
2.1140533747375E+15
Volume
4.0202838725181E+22
Height
32938316.55937