99971890 is an even 8-digits composite number following 99971889
and preceding 99971891 . In scientific notation, it is written as 9.9971890 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 39988752 positive integers (up to 99971890) that are relatively prime to 99971890.
99971890 has 8 divisors, whose sum is 179949420
The reverse of 99971890 is 09817999
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
ninety-nine million nine hundred seventy-one thousand eight hundred ninety
Scientific notation
9.9971890 × 10^7
Engineering notation
9.9971890 × 10^6
Prime Factorization
2 × 5 × 9997189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99971890
Product of the distinct prime numbers
The prime factorization of 99971890 is 2 × 5 × 9997189.
Since it has a total of 3 prime factors.
6 , 3 , 60 , 34 , 749 , 537 , 409 , 8304 , 54749 , 80464 , 173674 , 725140 , 7157409 , 8944852 , 49806778 , 58115015 , 934007666 , 486681519 , 1113416484 , 6711121369
n×2
199943780
n×3
299915670
n×4
399887560
n×5
499859450
n÷2
49985945
n÷3
33323963.333333
n÷3
24992972.5
n÷5
19994378
n2
9994378790172100
n3
9.9915693702942E+23
n4
9.9887607401442E+31
n5
9.9859528995001E+39
2 √n
9998.5944012146
3 √n
464.1153875981
4 √n
99.992971759092
5 √n
39.808478645136
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99971889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99971890 can be divided by 8 positive divisors.
The sum of these divisors (counting 99971890) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111101010111001100110010
3
Ternary
20222010002122121
4
Quaternary
11331113030302
5
Quinary
201043100030
6
Senary
13530424454
8
Octal
575271462
10
Decimal
99971890
12
Duodecimal
2959212a
16
Hexadecimal
5f57332
20
Vigesimal
1b4g9ea
36
Base36
1niqsy
md5
66ef17a622433496fa188a640b502edf
sha1
edd2a16365330be7919cd77397b2371826050dcb
sha256
d526d1a004191f996dbcf14c6338cbe5616fc1eb4bd46a74254366c72fea0ee5
sha512
1f2c5e10a815ca4a316ead335b190aeea18b6ce5686d68d867fd3597e306b51d6d78373520e5b328b1557f0815cd8a26c35a86a30296960d0047b80fa60df53d
ripemd-160
3a5eeb785c1a068a64243a2ffe14db229d4d6a71
Diameter
199943780
Circumference
628141910.37897
Area
3.1398266984398E+16
Volume
4.1852587908732E+24
Surface area
1.2559306793759E+17
Circumference
628141910.37897
Perimeter
399887560
Area
9994378790172100
Diagonal
141381602.69407
Surface area
59966272741032600
Volume
9.9915693702942E+23
Space diagonal
173156392.80869
Perimeter
299915670
Area
4.3276929636667E+15
Altitude
86578196.404343
Surface area
4.3276929636667E+15
Volume
1.1775177427385E+23
Height
47127200.898024