72671621 is an odd 8-digits composite number following 72671620
and preceding 72671622 . In scientific notation, it is written as 7.2671621 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 64824000 positive integers (up to 72671621) that are relatively prime to 72671621.
72671621 has 16 divisors, whose sum is 80784000
The reverse of 72671621 is 12617627
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million six hundred seventy-one thousand six hundred twenty-one
Scientific notation
7.2671621 × 10^7
Engineering notation
7.2671621 × 10^6
Prime Factorization
11 × 101 × 149 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72671621
Product of the distinct prime numbers
The prime factorization of 72671621 is 11 × 101 × 149 × 439.
Since it has a total of 4 prime factors.
1 , 8 , 65 , 91 , 751 , 777 , 1534 , 3444 , 36497 , 32600 , 115202 , 251939 , 5960005 , 3656511 , 35805264 , 45168263 , 605874299 , 424429603 , 1023942896 , 4505083836
n×2
145343242
n×3
218014863
n×4
290686484
n×5
363358105
n÷2
36335810.5
n÷3
24223873.666667
n÷3
18167905.25
n÷5
14534324.2
n2
5281164498767641
n3
3.837907848931E+23
n4
2.7890698463044E+31
n5
2.0268622681316E+39
2 √n
8524.7651580557
3 √n
417.30630765787
4 √n
92.329654813909
5 √n
37.348483253021
1 , 11 , 101 , 149 , 439 , 1111 , 1639 , 4829 , 15049 , 44339 , 65411 , 165539 , 487729 , 719521 , 6606511 , 72671621
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
-72671620
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 72671621 can be divided by 16 positive divisors.
The sum of these divisors (counting 72671621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101001110000110000101
3
Ternary
12001202002201112
4
Quaternary
10111032012011
5
Quinary
122100442441
6
Senary
11113334405
8
Octal
425160605
10
Decimal
72671621
12
Duodecimal
20407405
16
Hexadecimal
454e185
20
Vigesimal
12e3j11
36
Base36
179ls5
md5
cc9482e6db15d356766557a7cb4aac70
sha1
f19d7df45d758b0e3b5d8fb0fe2afbffb010618a
sha256
0fd32fe04b3824aaadc4ce816b59b7b4f9b77e0ba6d48404922b46a4484e5060
sha512
76abba2e9e2bf84d2c84ba5faeab2722a57e386d68e192a397cc03312b01d7a12eb6e93b60dfe9e6a7e297a1aa655ff5352891daf864fcd47d223613a5171546
ripemd-160
fbc93c383ae3f9e654ad36a2985084fce35c380a
Diameter
145343242
Circumference
456609261.31612
Area
1.6591267591728E+16
Volume
1.6076190804475E+24
Surface area
6.6365070366911E+16
Circumference
456609261.31612
Perimeter
290686484
Area
5281164498767641
Diagonal
102773192.01784
Surface area
31686986992605846
Volume
3.837907848931E+23
Space diagonal
125870939.84039
Perimeter
218014863
Area
2.2868113087486E+15
Altitude
62935469.920195
Surface area
2.2868113087486E+15
Volume
4.5230177759136E+22
Height
34257730.672612