21971708 is an even 8-digits composite number following 21971707
and preceding 21971709 . In scientific notation, it is written as 2.1971708 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 9918000 positive integers (up to 21971708) that are relatively prime to 21971708.
21971708 has 24 divisors, whose sum is 42236544
The reverse of 21971708 is 80717912
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million nine hundred seventy-one thousand seven hundred eight
Scientific notation
2.1971708 × 10^7
Engineering notation
2.1971708 × 10^6
Prime Factorization
2 × 2 × 11 × 151 × 3307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10985854
Product of the distinct prime numbers
The prime factorization of 21971708 is 2 × 2 × 11 × 151 × 3307.
Since it has a total of 5 prime factors.
7 , 2 , 13 , 90 , 594 , 555 , 6764 , 9468 , 98642 , 24356 , 292270 , 33277 , 7221384 , 2182165 , 40831623 , 30039225 , 180240614 , 969981 , 9185651165 , 868989691
n×2
43943416
n×3
65915124
n×4
87886832
n×5
109858540
n÷2
10985854
n÷3
7323902.6666667
n÷3
5492927
n÷5
4394341.6
n2
482755952437264
n3
1.0606972822213E+22
n4
2.3305330961361E+29
n5
5.1205792672638E+36
2 √n
4687.398852242
3 √n
280.08376745384
4 √n
68.464581005379
5 √n
29.401721784927
1 , 2 , 4 , 11 , 22 , 44 , 151 , 302 , 604 , 1661 , 3307 , 3322 , 6614 , 6644 , 13228 , 36377 , 72754 , 145508 , 499357 , 998714 , 1997428 , 5492927 , 10985854 , 21971708
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
-21971707
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 21971708 can be divided by 24 positive divisors.
The sum of these divisors (counting 21971708) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011110100001011111100
3
Ternary
1112100021111222
4
Quaternary
1103310023330
5
Quinary
21111043313
6
Senary
2102532512
8
Octal
123641374
10
Decimal
21971708
12
Duodecimal
7437138
16
Hexadecimal
14f42fc
20
Vigesimal
6h6958
36
Base36
d2xh8
md5
f163e90b6100f7573700d3aeb51b91d3
sha1
22135e8b16b421f197a5a4d4a533709f017857b7
sha256
878f9b626e41b34c2e8115e9f50401ea28b98ea4223a1189fa28ea0c5b022658
sha512
4d9748055fe7449f1dc93724217f5b2a70166eca4a7bbf8a8a319ea1d14a15bcdf5840723e919df7e022262129e8a5213d8aa3d9897241e5ed7ffc2d4222f3b8
ripemd-160
14f4544f445194e1e4cbbaf2fda56a1e67149426
Diameter
43943416
Circumference
138052312.87924
Area
1.5166225536537E+15
Volume
4.4430383860123E+22
Surface area
6.0664902146146E+15
Circumference
138052312.87924
Perimeter
87886832
Area
482755952437264
Diagonal
31072687.442101
Surface area
2896535714623584
Volume
1.0606972822213E+22
Space diagonal
38056114.585068
Perimeter
65915124
Area
2.0903945931941E+14
Altitude
19028057.292534
Surface area
2.0903945931941E+14
Volume
1.2500437350748E+21
Height
10357562.4807