30129129772

Names of 30129129772

• Cardinal: 30129129772 can be written as Thirty billion, one hundred twenty-nine million, one hundred twenty-nine thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 3.0129129772 × 10¹⁰

Factors of 30129129772

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 699

Divisors of 30129129772

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 23 28 31 46 62 89 92 124 161 178 217 322 356 434 547 623 644 713 868 961 1094 1246 1426 1922 2047 2188 2492 2759 2852 3829 3844 4094 4991 5518 6727 7658 8188 9982 11036 12581 13454 14329 15316 16957 19313 19964 22103 25162 26908 28658 33914 38626 44206 48683 50324 57316 63457 67828 77252 85529 88067 88412 97366 118699 126914 154721 171058 176134 194732 237398 253828 309442 340781 342116 352268 390011 444199 474796 525667 598703 618884 681562 780022 888398 1051334 1119709 1197406 1363124 1509173 1560044 1776796 1967167 2102668 2239418 2394812 2730077 3018346 3679669 3934334 4478836 5460154 6036692 7359338 7837963 7868668 10564211 10920308 12090341 13770169 14718676 15675926 21128422 24180682 27540338 31351852 34710979 42256844 46784363 48361364 55080676 69421958 84632387 93568726 138843916 169264774 187137452 242976853 327490541 338529548 485953706 654981082 971907412 1076040349 1309962164 2152080698 4304161396 7532282443 15064564886 30129129772
• Sum of all divisors σ(n): 65822077440
• Sum of proper divisors (its aliquot sum) s(n): 35692947668
• 30129129772 is an abundant number, because the sum of its proper divisors (35692947668) is greater than itself. Its abundance is 5563817896

Bases of 30129129772

• Binary: 11100000011110101100000100100101100₂
• Hexadecimal: 0x703D6092C
• Base-36: DUA3TBG

Squares and roots of 30129129772

• 30129129772 squared (30129129772²) is 907764460818016771984
• 30129129772 cubed (30129129772³) is 27350153242395636598778469907648
• The square root of 30129129772 is 173577.4460349039
• The cube root of 30129129772 is 3111.6843049975

Scales and comparisons

• 30,129,129,772 seconds is equal to 958 years, 4 days, 18 hours, 42 minutes, 52 seconds.
• To count from 1 to 30,129,129,772 would take you about one thousand, nine hundred sixteen 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 30129129772 cubic inches would be around 259.3 feet tall.

Recreational maths with 30129129772

• 30129129772 backwards is 27792192103
• The number of decimal digits it has is: 11
• The sum of 30129129772's digits is 43
• More coming soon!