12378421055

Names of 12378421055

• Cardinal: 12378421055 can be written as Twelve billion, three hundred seventy-eight million, four hundred twenty-one thousand and fifty-five.

Scientific notation

• Scientific notation: 1.2378421055 × 10¹⁰

Factors of 12378421055

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 103

Divisors of 12378421055

• Number of divisors d(n): 288
• Complete list of divisors:
  1 5 7 11 13 17 19 31 35 55 65 77 85 91 95 119 133 143 155 169 187 209 217 221 247 323 341 361 385 403 455 527 589 595 665 715 845 935 1001 1045 1085 1105 1183 1235 1309 1463 1547 1615 1705 1729 1805 1859 2015 2261 2387 2431 2527 2635 2717 2821 2873 2945 3211 3553 3689 3971 4123 4199 4433 4693 5005 5239 5797 5915 6137 6479 6545 6851 7315 7657 7735 8645 9295 10013 11191 11305 11935 12155 12635 13013 13585 14105 14365 16055 17017 17765 18445 19019 19855 20111 20615 20995 22165 22477 23465 24871 26195 27797 28985 29393 30685 31031 31603 32395 32851 34255 35321 36673 38285 40579 42959 45353 46189 47957 50065 51623 53599 54587 55955 57629 61009 65065 67507 70091 75361 78337 79781 84227 85085 89063 95095 99541 100555 110143 112385 123101 124355 130169 138985 145483 146965 155155 158015 164255 176605 183365 190247 202895 214795 221221 226765 230945 239785 247247 258115 267995 272935 288145 305045 323323 337535 350455 361361 376805 382109 391685 398905 403403 421135 427063 445315 472549 497705 527527 550715 558467 589589 600457 615505 623441 650845 671099 696787 727415 771001 861707 877591 911183 951235 979693 1018381 1037153 1094951 1106105 1236235 1331729 1431859 1600313 1616615 1692197 1806805 1891279 1910545 2017015 2092717 2135315 2362745 2473211 2637635 2792335 2947945 3002285 3117205 3355495 3483935 3855005 4203199 4308535 4387955 4555915 4697693 4898465 5091905 5185765 5474755 6143137 6658645 6857851 7159295 7260071 7664657 8001565 8460985 9456395 10023013 10463585 11202191 11408683 11845379 12366055 13238953 14649019 17312477 18614167 20804069 21015995 23488465 27205321 30715685 32151743 34289255 36300355 38323285 50115065 56010955 57043415 59226895 66194765 73245095 79860781 86562385 93070835 104020345 130299169 136026605 145628483 160758715 190437247 225062201 353669173 399303905 651495845 728142415 952186235 1125311005 1768345865 2475684211 12378421055
• Sum of all divisors σ(n): 23132418048
• Sum of proper divisors (its aliquot sum) s(n): 10753996993
• 12378421055 is a deficient number, because the sum of its proper divisors (10753996993) is less than itself. Its deficiency is 1624424062

Bases of 12378421055

• Binary: 1011100001110011111011011100111111₂
• Hexadecimal: 0x2E1CFB73F
• Base-36: 5OPSITB

Squares and roots of 12378421055

• 12378421055 squared (12378421055²) is 153225307814867313025
• 12378421055 cubed (12378421055³) is 1896687376414409589579935741375
• The square root of 12378421055 is 111258.3527426145
• The cube root of 12378421055 is 2313.2456300417

Scales and comparisons

• 12,378,421,055 seconds is equal to 393 years, 30 weeks, 6 days, 18 hours, 17 minutes, 35 seconds.
• To count from 1 to 12,378,421,055 would take you about seven hundred eighty-seven 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 12378421055 cubic inches would be around 192.8 feet tall.

Recreational maths with 12378421055

• 12378421055 backwards is 55012487321
• The number of decimal digits it has is: 11
• The sum of 12378421055's digits is 38
• More coming soon!