72919991 is an odd 8-digits prime number following 72919990
and preceding 72919992 . In scientific notation, it is written as 7.2919991 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 72919990 positive integers (up to 72919991) that are relatively prime to 72919991.
72919991 has 2 divisors, whose sum is 72919992
The reverse of 72919991 is 19991927
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-two million nine hundred nineteen thousand nine hundred ninety-one
Scientific notation
7.2919991 × 10^7
Engineering notation
7.2919991 × 10^6
Prime Factorization
72919991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72919991
Product of the distinct prime numbers
The prime factorization of 72919991 is 72919991.
Since it has a total of 1 prime factors.
9 , 3 , 43 , 24 , 131 , 551 , 3332 , 8881 , 29568 , 39286 , 919211 , 702177 , 6882139 , 247527 , 86263976 , 51323226 , 719027786 , 716386133 , 9167955659 , 619814770
n×2
145839982
n×3
218759973
n×4
291679964
n×5
364599955
n÷2
36459995.5
n÷3
24306663.666667
n÷3
18229997.75
n÷5
14583998.2
n2
5317325087440081
n3
3.877392975202E+23
n4
2.827394608552E+31
n5
2.0617358940906E+39
2 √n
8539.3202891097
3 √n
417.7811767214
4 √n
92.408442737175
5 √n
37.37397762682
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72919992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36459996
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8539.3203476623
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999725727
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72919991 can be divided by 2 positive divisors.
The sum of these divisors (counting 72919991) is 72919992, the average is 36459996.
Base
System
Value
2
Binary
100010110001010101110110111
3
Ternary
12002012201102102
4
Quaternary
10112022232313
5
Quinary
122131414431
6
Senary
11122532315
8
Octal
426125667
10
Decimal
72919991
12
Duodecimal
2050709b
16
Hexadecimal
458abb7
20
Vigesimal
12fejjb
36
Base36
17exfb
md5
38fc09838b6424dd93e836dcaf1bf77f
sha1
b4f7f29a15fd2b53f3c8e7042e50285a2e12f56c
sha256
c1dbfeecea84b5b5fd4612f90abe7e1d356b5ac3e218094ce6374e57241ceb1b
sha512
7f82aed9789012c0ddbc7b817b1063b5da65887a68b8c13208751c4e043306e27c1e1765b28c2505ea785d020cdea6fed38edfe2c678eaefdbd4ce31c70fcbaf
ripemd-160
d211c8cd58dc3874a5370ac568b0ebab1e21991d
Diameter
145839982
Circumference
458169816.05087
Area
1.670486943145E+16
Volume
1.6241585714634E+24
Surface area
6.6819477725802E+16
Circumference
458169816.05087
Perimeter
291679964
Area
5317325087440081
Diagonal
103124440.24032
Surface area
31903950524640486
Volume
3.877392975202E+23
Space diagonal
126301129.29947
Perimeter
218759973
Area
2.3024693029517E+15
Altitude
63150564.649733
Surface area
2.3024693029517E+15
Volume
4.5695514434841E+22
Height
34374813.413441