99971985 (number)

99971985 is an odd 8-digits composite number following 99971984 and preceding 99971986. In scientific notation, it is written as 9.9971985 × 10^7. The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors. There are 49351680 positive integers (up to 99971985) that are relatively prime to 99971985.

Interesting facts

Basic properties

Name

Name ninety-nine million nine hundred seventy-one thousand nine hundred eighty-five

Notation

Scientific notation 9.9971985 × 10^7
Engineering notation 9.9971985 × 10^6

Prime Factorization of 99971985

Prime Factorization 5 × 3 × 17 × 61 × 6427

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 99971985
Product of the distinct prime numbers

The prime factorization of 99971985 is 5 × 3 × 17 × 61 × 6427. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 19, 51, 620, 265, 9190, 4781, 40520, 35723, 740064, 424495, 4382936, 7768647, 39018141, 83584936, 30542313, 731887020, 8666221773, 3542118138

Basic calculations (n = 99971985)

Multiplication

n×y
n×2 199943970
n×3 299915955
n×4 399887940
n×5 499859925

Division

n÷y
n÷2 49985992.5
n÷3 33323995
n÷3 24992996.25
n÷5 19994397

Exponentiation

ny
n2 9994397784840225
n3 9.9915978543008E+23
n4 9.9887987081619E+31
n5 9.9860003462038E+39

Nth Root

y√n
2√n 9998.5991518812
3√n 464.11553460925
4√n 99.992995514092
5√n 39.808486210871

Divisors of 99971985

1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 3111, 5185, 6427, 15555, 19281, 32135, 96405, 109259, 327777, 392047, 546295, 1176141, 1638885, 1960235, 5880705, 6664799, 19994397, 33323995, 99971985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -99971984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 99971985 can be divided by 32 positive divisors. The sum of these divisors (counting 99971985) is 1, the average is 0.03125.

Base conversion 99971985

Base System Value
2 Binary 101111101010111001110010001
3 Ternary 20222010002210010
4 Quaternary 11331113032101
5 Quinary 201043100420
6 Senary 13530425133
8 Octal 575271621
10 Decimal 99971985
12 Duodecimal 295921a9
16 Hexadecimal 5f57391
20 Vigesimal 1b4g9j5
36 Base36 1niqvl

Cryptographic Hash Functions

md5 5aaf3dad1e3d175e0ec4f15738a94082
sha1 8d25796135d51f97b3862d12e9a5e9eca3fbd9a1
sha256 19cf456d692ded169ab665b46feec7639c0ddd566649230eaa55cb050fc1a9c3
sha512 34947547b1f04c656a9a41897246bd9548184c00bf3a3083a7ead5887a2a4f9848aafd896f90ccbee216474cad63463e58eaa640743af142714734e12696c6e1
ripemd-160 b09526e2724cc2195dea20f102c545e177b4058a

99971985 as geometric shapes

Circle

Radius = n
Diameter 199943970
Circumference 628142507.28158
Area 3.1398326657908E+16

Sphere

Radius = n
Volume 4.185270722226E+24
Surface area 1.2559330663163E+17
Circumference 628142507.28158

Square

Length = n
Perimeter 399887940
Area 9994397784840225
Diagonal 141381737.04436

Cube

Length = n
Surface area 59966386709041350
Volume 9.9915978543008E+23
Space diagonal 173156557.35351

Equilateral Triangle

Length = n
Perimeter 299915955
Area 4.3277011885993E+15
Altitude 86578278.676757

Triangular Pyramid

Length = n
Surface area 4.3277011885993E+15
Volume 1.1775210996108E+23
Height 47127245.681453