27961921 is an odd 8-digits composite number following 27961920
and preceding 27961922 . In scientific notation, it is written as 2.7961921 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 25810992 positive integers (up to 27961921) that are relatively prime to 27961921.
27961921 has 4 divisors, whose sum is 30112852
The reverse of 27961921 is 12916972
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-seven million nine hundred sixty-one thousand nine hundred twenty-one
Scientific notation
2.7961921 × 10^7
Engineering notation
2.7961921 × 10^6
Prime Factorization
13 × 2150917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27961921
Product of the distinct prime numbers
The prime factorization of 27961921 is 13 × 2150917.
Since it has a total of 2 prime factors.
2 , 7 , 83 , 37 , 499 , 678 , 2536 , 2880 , 2042 , 75743 , 407049 , 414378 , 1238404 , 2059286 , 14324144 , 89052807 , 532225905 , 574086574 , 5752133475 , 5113080703
n×2
55923842
n×3
83885763
n×4
111847684
n×5
139809605
n÷2
13980960.5
n÷3
9320640.3333333
n÷3
6990480.25
n÷5
5592384.2
n2
781869026010241
n3
2.1862559937645E+22
n4
6.113191738342E+29
n5
1.7093658444537E+37
2 √n
5287.9032706735
3 √n
303.52117965331
4 √n
72.717970754646
5 √n
30.854136808879
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27961920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27961921 can be divided by 4 positive divisors.
The sum of these divisors (counting 27961921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010101010101001000001
3
Ternary
1221121121112201
4
Quaternary
1222222221001
5
Quinary
24124240141
6
Senary
2435153201
8
Octal
152525101
10
Decimal
27961921
12
Duodecimal
9445801
16
Hexadecimal
1aaaa41
20
Vigesimal
8ef4g1
36
Base36
gnbk1
md5
b5740bd57d26fe6e658e446fb640cde0
sha1
8a04e70de3f7660758f970a08e8234992472c709
sha256
37336fc9b47db248d462169ae870d24266d04f7a01f47efe9dceacb40d500de5
sha512
f9c7ef83b3d60f19c542a7c5444c1ad25a7f43b8728cf42ba29a40eb05e10e59ef9c3ac909f0f488b63aed38523f5d30dd22faade4e0462ebd9d2ec108664424
ripemd-160
91b52eeabcff21f8394b0e431361cb3486fc95ee
Diameter
55923842
Circumference
175689931.18772
Area
2.4563139881832E+15
Volume
9.1577676918364E+22
Surface area
9.8252559527327E+15
Circumference
175689931.18772
Perimeter
111847684
Area
781869026010241
Diagonal
39544127.908205
Surface area
4691214156061446
Volume
2.1862559937645E+22
Space diagonal
48431467.849227
Perimeter
83885763
Area
3.3855921947853E+14
Altitude
24215733.924614
Surface area
3.3855921947853E+14
Volume
2.5765273976677E+21
Height
13181375.969402