72146872105

Names of 72146872105

• Cardinal: 72146872105 can be written as Seventy-two billion, one hundred forty-six million, eight hundred seventy-two thousand, one hundred five.

Scientific notation

• Scientific notation: 7.2146872105 × 10¹⁰

Factors of 72146872105

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 267

Divisors of 72146872105

• Number of divisors d(n): 256
• Complete list of divisors:
  1 5 7 11 19 31 35 43 49 55 77 95 133 151 155 209 215 217 245 301 341 343 385 473 539 589 665 755 817 931 1045 1057 1085 1333 1463 1505 1519 1661 1705 1715 2107 2365 2387 2695 2869 2945 3311 3773 4085 4123 4655 4681 5285 5719 6479 6493 6517 6665 7315 7399 7595 8305 8987 9331 10241 10535 10633 11627 11935 14345 14663 14749 16555 16709 18865 20083 20615 23177 23405 25327 28595 28861 31559 32395 32465 32585 32767 36995 40033 44935 45353 45451 46655 51205 51491 51793 53165 58135 62909 65317 71423 71687 73315 73745 81389 83545 88939 100415 102641 115885 116963 123367 126635 140581 144305 157795 162239 163835 177289 200165 201283 202027 220913 226765 227255 229369 257455 258965 278597 280231 314545 317471 318157 326585 357115 358435 360437 406945 440363 444695 457219 499961 513205 569723 584815 616835 622573 702905 718487 811195 863569 886445 978329 984067 1006415 1010135 1104565 1146845 1241023 1357037 1392985 1401155 1408981 1546391 1587355 1590785 1605583 1802185 1950179 2201815 2214113 2222297 2227099 2286095 2499805 2523059 2848615 3082541 3112865 3499727 3592435 3824377 4317845 4358011 4891645 4920335 5029409 6044983 6205115 6785185 6848303 7044905 7731955 8027915 8687161 9499259 9750895 9862867 10824737 11070565 11111485 11135495 12615295 13651253 15412705 15498791 17498635 17661413 19121885 21790055 24498089 25147045 26770639 30224915 30506077 34241515 42068147 42314881 43435805 47496295 47938121 49314335 54123685 66494813 68256265 69040069 77493955 88307065 95558771 108491537 122490445 133853195 152530385 187394473 210340735 211574405 239690605 294477029 332474065 335566847 345200345 465463691 477793855 542457685 759440759 936972365 1311761311 1472385145 1677834235 2061339203 2327318455 3797203795 6558806555 10306696015 14429374421 72146872105
• Sum of all divisors σ(n): 123273216000
• Sum of proper divisors (its aliquot sum) s(n): 51126343895
• 72146872105 is a deficient number, because the sum of its proper divisors (51126343895) is less than itself. Its deficiency is 21020528210

Bases of 72146872105

• Binary: 1000011001100010010011110011100101001₂
• Hexadecimal: 0x10CC49E729
• Base-36: X56DUSP

Squares and roots of 72146872105

• 72146872105 squared (72146872105²) is 5205171154535227131025
• 72146872105 cubed (72146872105³) is 375536817570888222539186752557625
• The square root of 72146872105 is 268601.6978818265
• The cube root of 72146872105 is 4162.9944867673

Scales and comparisons

• 72,146,872,105 seconds is equal to 2,294 years, 2 weeks, 3 days, 5 hours, 48 minutes, 25 seconds.
• To count from 1 to 72,146,872,105 would take you about four thousand, five hundred eighty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 72146872105 cubic inches would be around 346.9 feet tall.

Recreational maths with 72146872105

• 72146872105 backwards is 50127864127
• 72146872105 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72146872105's digits is 43
• More coming soon!