12920828172

Names of 12920828172

• Cardinal: 12920828172 can be written as Twelve billion, nine hundred twenty million, eight hundred twenty-eight thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.2920828172 × 10¹⁰

Factors of 12920828172

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 414

Divisors of 12920828172

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 12 14 17 19 21 28 34 38 42 51 57 68 76 84 102 109 114 119 133 204 218 228 238 257 266 289 323 327 357 399 436 476 514 532 578 646 654 714 763 771 798 867 969 1028 1156 1292 1308 1428 1526 1542 1596 1734 1799 1853 1938 2023 2071 2261 2289 3052 3084 3468 3598 3706 3876 4046 4142 4369 4522 4578 4883 5397 5491 5559 6069 6213 6783 7196 7412 8092 8284 8738 9044 9156 9766 10794 10982 11118 12138 12426 12971 13107 13566 14497 14649 16473 17476 19532 21588 21964 22236 24276 24852 25942 26214 27132 28013 28994 29298 30583 31501 32946 34181 35207 38437 38913 43491 51884 52428 56026 57988 58596 61166 63002 65892 68362 70414 74273 76874 77826 83011 84039 86982 91749 94503 102543 105621 112052 115311 122332 126004 136724 140828 148546 153748 155652 166022 168078 173964 183498 189006 196091 205086 211242 220507 222819 230622 246449 249033 297092 332044 336156 366996 378012 392182 410172 422484 441014 445638 461244 476221 492898 498066 519911 532247 581077 588273 598519 661521 739347 784364 882028 891276 952442 985796 996132 1039822 1064494 1162154 1176546 1197038 1323042 1411187 1428663 1478694 1559733 1596741 1743231 1795557 1904884 2079644 2128988 2324308 2353092 2394076 2646084 2822374 2857326 2957388 3119466 3193482 3333547 3486462 3591114 3725729 4189633 4233561 5644748 5714652 6238932 6386964 6667094 6972924 7182228 7451458 8095757 8379266 8467122 9048199 9878309 10000641 11177187 12568899 13334188 14902916 16191514 16758532 16934244 18096398 19756618 20001282 22354374 24287271 25137798 27144597 29634927 32383028 36192796 39513236 40002564 44708748 48574542 50275596 54289194 56670299 59269854 63337393 97149084 108578388 113340598 118539708 126674786 153819383 170010897 190012179 226681196 253349572 307638766 340021794 380024358 461458149 615277532 680043588 760048716 922916298 1076735681 1845832596 2153471362 3230207043 4306942724 6460414086 12920828172
• Sum of all divisors σ(n): 39032716800
• Sum of proper divisors (its aliquot sum) s(n): 26111888628
• 12920828172 is an abundant number, because the sum of its proper divisors (26111888628) is greater than itself. Its abundance is 13191060456

Bases of 12920828172

• Binary: 1100000010001001000011000100001100₂
• Hexadecimal: 0x30224310C
• Base-36: 5XOQ6TO

Squares and roots of 12920828172

• 12920828172 squared (12920828172²) is 166947800650348861584
• 12920828172 cubed (12920828172³) is 2157103845896467492382675744448
• The square root of 12920828172 is 113669.8208496873
• The cube root of 12920828172 is 2346.5516451117

Scales and comparisons

• 12,920,828,172 seconds is equal to 410 years, 43 weeks, 5 days, 14 hours, 56 minutes, 12 seconds.
• To count from 1 to 12,920,828,172 would take you about eight hundred twenty-one 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 12920828172 cubic inches would be around 195.5 feet tall.

Recreational maths with 12920828172

• 12920828172 backwards is 27182802921
• 12920828172 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12920828172's digits is 42
• More coming soon!