72156978 is an even 8-digits composite number following 72156977
and preceding 72156979 . In scientific notation, it is written as 7.2156978 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 23955000 positive integers (up to 72156978) that are relatively prime to 72156978.
72156978 has 24 divisors, whose sum is 156972816
The reverse of 72156978 is 87965127
Previous prime number is 251
Is Prime? no Number parity even Number length 8 Sum of Digits 45 Digital Root 9
Name
seventy-two million one hundred fifty-six thousand nine hundred seventy-eight
Scientific notation
7.2156978 × 10^7
Engineering notation
7.2156978 × 10^6
Prime Factorization
2 × 3 × 3 × 251 × 15971
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
24052326 Product of the distinct prime numbers
The prime factorization of 72156978 is 2 × 3 × 3 × 251 × 15971.
Since it has a total of 5 prime factors.
3 , 6 , 86 , 3 , 724 , 650 , 4469 , 3553 , 63490 , 43147 , 73111 , 511957 , 2955794 , 3319981 , 8052454 , 23902013 , 292653605 , 8923682 , 7897576888 , 1444648063
n×2
144313956
n×3
216470934
n×4
288627912
n×5
360784890
n÷2
36078489
n÷3
24052326
n÷3
18039244.5
n÷5
14431395.6
n2
5206629474092484
n3
3.7569464841624E+23
n4
2.7108990480489E+31
n5
1.9561028297028E+39
2 √n8494.5263552478
3 √n416.31888533409
4 √n92.165754785863
5 √n37.295434165919
1 , 2 , 3 , 6 , 9 , 18 , 251 , 502 , 753 , 1506 , 2259 , 4518 , 15971 , 31942 , 47913 , 95826 , 143739 , 287478 , 4008721 , 8017442 , 12026163 , 24052326 , 36078489 , 72156978
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-72156977 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72156978 can be divided by 24 positive divisors.
The sum of these divisors (counting 72156978) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010011010000011100110010
3
Ternary
12000202221202200
4
Quaternary
10103100130302
5
Quinary
121433010403
6
Senary
11054324030
8
Octal
423203462
10
Decimal
72156978
12
Duodecimal
201b9616
16
Hexadecimal
44d0732
20
Vigesimal
12ajc8i
36
Base36
16ykoi
md5
e74706c470a77ad3d08f9589bf4a69b1
sha1
1657756d7460f25468cc7a5be9ecc1421cd40418
sha256
d73b9f97be29ae070331a5f73063be940cf84c4fe007a228b175ca176090da0a
sha512
4240411dd3ecafd5a279bd1328b58d8158588e38b4c18bfa5e616d16cd96ed1d7c3ecd8fdb1292a11dae53d7154134da964a369526018e045903abdb36f14e1e
ripemd-160
8042e15367791c95805958c78faeccb25c43c282
Diameter
144313956
Circumference
453375663.98008
Area
1.6357108905773E+16
Volume
1.5737060632766E+24
Surface area
6.5428435623092E+16
Circumference
453375663.98008
Perimeter
288627912
Area
5206629474092484
Diagonal
102045376.90746
Surface area
31239776844554904
Volume
3.7569464841624E+23
Space diagonal
124979552.01663
Perimeter
216470934
Area
2.2545366963285E+15
Altitude
62489776.008315
Surface area
2.2545366963285E+15
Volume
4.4276038925104E+22
Height
34015125.635819