1812138385470

Names of 1812138385470

• Cardinal: 1812138385470 can be written as One trillion, eight hundred twelve billion, one hundred thirty-eight million, three hundred eighty-five thousand, four hundred seventy.

Scientific notation

• Scientific notation: 1.81213838547 × 10¹²

Factors of 1812138385470

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1121873

Divisors of 1812138385470

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 157 210 245 294 314 343 471 490 686 735 785 942 1029 1099 1470 1570 1715 2058 2198 2355 3297 3430 4710 5145 5495 6594 7693 10290 10990 15386 16485 23079 32970 38465 46158 53851 76930 107702 115395 161553 230790 269255 323106 538510 807765 1121699 1615530 2243398 3365097 5608495 6730194 7851893 11216990 15703786 16825485 23555679 33650970 39259465 47111358 54963251 78518930 109926502 117778395 164889753 176106743 235556790 274816255 329779506 352213486 384742757 528320229 549632510 769485514 824448765 880533715 1056640458 1154228271 1232747201 1648897530 1761067430 1923713785 2308456542 2465494402 2641601145 3698241603 3847427570 5283202290 5771141355 6163736005 7396483206 8629230407 11542282710 12327472010 17258460814 18491208015 25887691221 36982416030 43146152035 51775382442 60404612849 86292304070 120809225698 129438456105 181213838547 258876912210 302023064245 362427677094 604046128490 906069192735 1812138385470
• Sum of all divisors σ(n): 5104183680000
• Sum of proper divisors (its aliquot sum) s(n): 3292045294530
• 1812138385470 is an abundant number, because the sum of its proper divisors (3292045294530) is greater than itself. Its abundance is 1479906909060

Bases of 1812138385470

• Binary: 11010010111101011110111010110000000111110₂
• Hexadecimal: 0x1A5EBDD603E
• Base-36: N4HGEN26

Squares and roots of 1812138385470

• 1812138385470 squared (1812138385470²) is 3283845528093818307120900
• 1812138385470 cubed (1812138385470³) is 5950782533412811433753596330093323000
• The square root of 1812138385470 is 1346156.8948194709
• The cube root of 1812138385470 is 12191.6865010805

Scales and comparisons

• 1,812,138,385,470 seconds is equal to 57,620 years, 20 weeks, 3 days, 21 hours, 44 minutes, 30 seconds.
• To count from 1 to 1,812,138,385,470 would take you about one hundred forty-four thousand and fifty 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 1812138385470 cubic inches would be around 1016 feet tall.

Recreational maths with 1812138385470

• 1812138385470 backwards is 0745838312181
• The number of decimal digits it has is: 13
• The sum of 1812138385470's digits is 51
• More coming soon!