38942129772

Names of 38942129772

• Cardinal: 38942129772 can be written as Thirty-eight billion, nine hundred forty-two million, one hundred twenty-nine thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 3.8942129772 × 10¹⁰

Factors of 38942129772

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 699283

Divisors of 38942129772

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 17 18 21 26 28 34 36 39 42 51 52 63 68 78 84 91 102 117 119 126 153 156 182 204 221 234 238 252 273 306 357 364 442 468 476 546 612 663 714 819 884 1071 1092 1326 1428 1547 1638 1989 2142 2652 3094 3276 3978 4284 4641 6188 7956 9282 13923 18564 27846 55692 699241 1398482 2097723 2796964 4195446 4894687 6293169 8390892 9090133 9789374 11887097 12586338 14684061 18180266 19578748 23774194 25172676 27270399 29368122 35661291 36360532 44052183 47548388 54540798 58736244 63630931 71322582 81811197 83209679 88104366 106983873 109081596 127261862 142645164 154532261 163622394 166419358 176208732 190892793 213967746 249629037 254523724 309064522 327244788 332838716 381785586 427935492 463596783 499258074 572678379 618129044 748887111 763571172 927193566 998516148 1081725827 1145356758 1390790349 1497774222 1854387132 2163451654 2290713516 2781580698 2995548444 3245177481 4326903308 5563161396 6490354962 9735532443 12980709924 19471064886 38942129772
• Sum of all divisors σ(n): 128280140352
• Sum of proper divisors (its aliquot sum) s(n): 89338010580
• 38942129772 is an abundant number, because the sum of its proper divisors (89338010580) is greater than itself. Its abundance is 50395880808

Bases of 38942129772

• Binary: 100100010001001000011011111001101100₂
• Hexadecimal: 0x91121BE6C
• Base-36: HW14ZN0

Squares and roots of 38942129772

• 38942129772 squared (38942129772²) is 1516489471179288771984
• 38942129772 cubed (38942129772³) is 59055329784535517237263445907648
• The square root of 38942129772 is 197337.6035427613
• The cube root of 38942129772 is 3389.5332607215

Scales and comparisons

• 38,942,129,772 seconds is equal to 1,238 years, 12 weeks, 3 days, 2 hours, 16 minutes, 12 seconds.
• To count from 1 to 38,942,129,772 would take you about two thousand, four hundred seventy-six 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 38942129772 cubic inches would be around 282.5 feet tall.

Recreational maths with 38942129772

• 38942129772 backwards is 27792124983
• The number of decimal digits it has is: 11
• The sum of 38942129772's digits is 54
• More coming soon!