99971261 is an odd 8-digits composite number following 99971260
and preceding 99971262 . In scientific notation, it is written as 9.9971261 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 90529920 positive integers (up to 99971261) that are relatively prime to 99971261.
99971261 has 16 divisors, whose sum is 109724160
The reverse of 99971261 is 16217999
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
ninety-nine million nine hundred seventy-one thousand two hundred sixty-one
Scientific notation
9.9971261 × 10^7
Engineering notation
9.9971261 × 10^6
Prime Factorization
13 × 79 × 313 × 311
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
99971261
Product of the distinct prime numbers
The prime factorization of 99971261 is 13 × 79 × 313 × 311.
Since it has a total of 4 prime factors.
2 , 6 , 21 , 10 , 972 , 323 , 1284 , 9672 , 17655 , 39363 , 103526 , 497677 , 4632064 , 4717537 , 76357182 , 52326161 , 843859532 , 964224541 , 9992746260 , 3992057600
n×2
199942522
n×3
299913783
n×4
399885044
n×5
499856305
n÷2
49985630.5
n÷3
33323753.666667
n÷3
24992815.25
n÷5
19994252.2
n2
9994253025930121
n3
9.991380777553E+23
n4
9.9885093546313E+31
n5
9.9856387569279E+39
2 √n
9998.5629467439
3 √n
464.11441422718
4 √n
99.992814475561
5 √n
39.808428551862
1 , 13 , 79 , 311 , 313 , 1027 , 4043 , 4069 , 24569 , 24727 , 97343 , 319397 , 321451 , 1265459 , 7690097 , 99971261
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
-99971260
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 99971261 can be divided by 16 positive divisors.
The sum of these divisors (counting 99971261) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111101010111000010111101
3
Ternary
20222010001210022
4
Quaternary
11331113002331
5
Quinary
201043040021
6
Senary
13530421525
8
Octal
575270275
10
Decimal
99971261
12
Duodecimal
295918a5
16
Hexadecimal
5f570bd
20
Vigesimal
1b4g831
36
Base36
1niqbh
md5
8f51d4f18398fcfc15b05b21db9cfa54
sha1
477cf4baf35b4cb5fc78e445276da456d705b93d
sha256
2c7d735571932e5920a447e1e663b26754c1325fffc83dfc3849343350ba9063
sha512
0370d6ea3b88a04b60061d19ba34b05e7a3a079a606547c962d8cf928e89c38b33c3013fb5027e8dd57988cad34993f8b22822016e4cc2a2943281bd2ff20575
ripemd-160
0157e0536c7d334cd0fcc3932cfb061a4a9f04aa
Diameter
199942522
Circumference
628137958.25542
Area
3.139787188438E+16
Volume
4.1851797933305E+24
Surface area
1.2559148753752E+17
Circumference
628137958.25542
Perimeter
399885044
Area
9994253025930121
Diagonal
141380713.15374
Surface area
59965518155580726
Volume
9.991380777553E+23
Space diagonal
173155303.34873
Perimeter
299913783
Area
4.3276385061525E+15
Altitude
86577651.674364
Surface area
4.3276385061525E+15
Volume
1.1774955168708E+23
Height
47126904.38458