212821212240

Names of 212821212240

• Cardinal: 212821212240 can be written as Two hundred twelve billion, eight hundred twenty-one million, two hundred twelve thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.1282121224 × 10¹¹

Factors of 212821212240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1082759

Divisors of 212821212240

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 84 90 91 104 105 108 112 117 120 126 130 135 140 144 156 168 180 182 189 195 208 210 216 234 240 252 260 270 273 280 312 315 336 351 360 364 378 390 420 432 455 468 504 520 540 546 560 585 624 630 702 720 728 756 780 819 840 910 936 945 1008 1040 1080 1092 1170 1260 1365 1404 1456 1512 1560 1638 1680 1755 1820 1872 1890 2160 2184 2340 2457 2520 2730 2808 3024 3120 3276 3510 3640 3780 4095 4368 4680 4914 5040 5460 5616 6552 7020 7280 7560 8190 9360 9828 10920 12285 13104 14040 15120 16380 19656 21840 24570 28080 32760 39312 49140 65520 98280 196560 1082729 2165458 3248187 4330916 5413645 6496374 7579103 8661832 9744561 10827290 12992748 14075477 15158206 16240935 17323664 19489122 21654580 22737309 25985496 28150954 29233683 30316412 32481870 37895515 38978244 42226431 43309160 45474618 48722805 51970992 56301908 58467366 60632824 64963740 68211927 70377385 75791030 77956488 84452862 86618320 90949236 97445610 98528339 112603816 113686545 116934732 121265648 126679293 129927480 136423854 140754770 146168415 151582060 155912976 168905724 181898472 194891220 197056678 204635781 211132155 225207632 227373090 233869464 253358586 259854960 272847708 281509540 292336830 295585017 303164120 337811448 341059635 363796944 380037879 389782440 394113356 409271562 422264310 454746180 467738928 492641695 506717172 545695416 563019080 584673660 591170034 606328240 633396465 675622896 682119270 760075758 779564880 788226712 818543124 844528620 886755051 909492360 985283390 1013434344 1023178905 1091390832 1126038160 1169347320 1182340068 1266792930 1364238540 1477925085 1520151516 1576453424 1637086248 1689057240 1773510102 1818984720 1900189395 1970566780 2026868688 2046357810 2338694640 2364680136 2533585860 2660265153 2728477080 2955850170 3040303032 3274172496 3378114480 3547020204 3800378790 3941133560 4092715620 4433775255 4729360272 5067171720 5320530306 5456954160 5911700340 6080606064 7094040408 7600757580 7882267120 8185431240 8867550510 10134343440 10641060612 11823400680 13301325765 14188080816 15201515160 16370862480 17735101020 21282121224 23646801360 26602651530 30403030320 35470202040 42564242448 53205303060 70940404080 106410606120 212821212240
• Sum of all divisors σ(n): 902217254400
• Sum of proper divisors (its aliquot sum) s(n): 689396042160
• 212821212240 is an abundant number, because the sum of its proper divisors (689396042160) is greater than itself. Its abundance is 476574829920

Bases of 212821212240

• Binary: 11000110001101001000011111110001010000₂
• Hexadecimal: 0x318D21FC50
• Base-36: 2PRO96C0

Squares and roots of 212821212240

• 212821212240 squared (212821212240²) is 45292868379303125817600
• 212821212240 cubed (212821212240³) is 9639283154310055362922873127424000
• The square root of 212821212240 is 461325.4948948737
• The cube root of 212821212240 is 5970.4212020693

Scales and comparisons

• 212,821,212,240 seconds is equal to 6,767 years, 2 weeks, 6 days, 11 hours, 24 minutes.
• To count from 1 to 212,821,212,240 would take you about thirteen thousand, five hundred thirty-four 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 212821212240 cubic inches would be around 497.5 feet tall.

Recreational maths with 212821212240

• 212821212240 backwards is 042212128212
• 212821212240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 212821212240's digits is 27
• More coming soon!