21695897 is an odd 8-digits prime number following 21695896
and preceding 21695898 . In scientific notation, it is written as 2.1695897 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 21695896 positive integers (up to 21695897) that are relatively prime to 21695897.
21695897 has 2 divisors, whose sum is 21695898
The reverse of 21695897 is 79859612
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
twenty-one million six hundred ninety-five thousand eight hundred ninety-seven
Scientific notation
2.1695897 × 10^7
Engineering notation
2.1695897 × 10^6
Prime Factorization
21695897
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21695897 Product of the distinct prime numbers
The prime factorization of 21695897 is 21695897.
Since it has a total of 1 prime factors.
6 , 3 , 78 , 63 , 648 , 402 , 4723 , 2873 , 37738 , 47324 , 819026 , 342077 , 2666677 , 3709302 , 93473234 , 50552499 , 406884957 , 909392420 , 6800636906 , 9527573037
n×2
43391794
n×3
65087691
n×4
86783588
n×5
108479485
n÷2
10847948.5
n÷3
7231965.6666667
n÷3
5423974.25
n÷5
4339179.4
n2
470711946634609
n3
1.0212517910854E+22
n4
2.2156973670454E+29
n5
4.8071541858589E+36
2 √n4657.885464457
3 √n278.90686459363
4 √n68.248703023992
5 √n29.327532320703
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21695898 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10847949 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4657.8855718019 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999078167 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21695897 can be divided by 2 positive divisors.
The sum of these divisors (counting 21695897) is 21695898, the average is 10847949.
Base
System
Value
2
Binary
1010010110000110110011001
3
Ternary
1111211021011202
4
Quaternary
1102300312121
5
Quinary
21023232042
6
Senary
2053003545
8
Octal
122606631
10
Decimal
21695897
12
Duodecimal
73235b5
16
Hexadecimal
14b0d99
20
Vigesimal
6fbjeh
36
Base36
cx0nt
md5
565d88752969d4ef4305a25678c5f38a
sha1
dbfc2f793a5d72a1066b87d90c4e3ec9a7c50ab2
sha256
ae1d9e0efaed9a6285eb79d2a5bb52225427eaeab893edc37b5e4a56703fbdd3
sha512
018816bd387c6d0286375e292e190ddda968766dca44f8ccf43111f4aad3bfc5e3795ff5b32f8a4131f4922cfba94a8af2f56efca424eba79d16c8e6dc3466f8
ripemd-160
f6585bf71be9d98811b0018863cfac36da30d624
Diameter
43391794
Circumference
136319341.25648
Area
1.4787851935042E+15
Volume
4.2778094991191E+22
Surface area
5.915140774017E+15
Circumference
136319341.25648
Perimeter
86783588
Area
470711946634609
Diagonal
30682631.78525
Surface area
2824271679807654
Volume
1.0212517910854E+22
Space diagonal
37578395.919781
Perimeter
65087691
Area
2.038242518252E+14
Altitude
18789197.959891
Surface area
2.038242518252E+14
Volume
1.203556777959E+21
Height
10227543.928417