21161991096000

Names of 21161991096000

• Cardinal: 21161991096000 can be written as Twenty-one trillion, one hundred sixty-one billion, nine hundred ninety-one million, ninety-six thousand.

Scientific notation

• Scientific notation: 2.1161991096 × 10¹³

Factors of 21161991096000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 471

Divisors of 21161991096000

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 90 96 100 108 120 125 135 144 150 160 180 192 200 216 225 240 250 270 288 300 320 360 375 400 432 450 461 480 500 540 576 600 675 720 750 800 864 900 922 960 1000 1080 1125 1200 1350 1383 1440 1500 1600 1728 1800 1844 2000 2160 2250 2305 2400 2700 2766 2880 3000 3375 3600 3688 4000 4149 4320 4500 4610 4800 5400 5532 6000 6750 6915 7200 7376 8000 8298 8640 9000 9220 10800 11064 11525 12000 12447 13500 13830 14400 14752 16596 18000 18440 20745 21600 22128 23050 24000 24894 27000 27660 29504 33192 34575 36000 36880 41490 43200 44256 46100 49788 54000 55320 57625 62235 66384 69150 72000 73760 82980 88512 92200 99576 103725 108000 110640 115250 124470 132768 138300 147520 165960 172875 184400 199152 207450 212521 216000 221280 230500 248940 265536 276600 311175 331920 345750 368800 398304 414900 425042 442560 461000 497880 518625 553200 622350 637563 663840 691500 737600 796608 829800 850084 922000 995760 1037250 1062605 1106400 1244700 1275126 1327680 1383000 1555875 1659600 1700168 1844000 1912689 1991520 2074500 2125210 2212800 2489400 2550252 2766000 3111750 3187815 3319200 3400336 3688000 3825378 3983040 4149000 4250420 4978800 5100504 5313025 5532000 5738067 6223500 6375630 6638400 6800672 7650756 8298000 8500840 9563445 9957600 10201008 10626050 11064000 11476134 12447000 12751260 13601344 15301512 15939075 16596000 17001680 19126890 19915200 20402016 21252100 22952268 24894000 25502520 26565125 28690335 30603024 31878150 33192000 34003360 38253780 40804032 42504200 45904536 47817225 49788000 51005040 53130250 57380670 61206048 63756300 68006720 76507560 79695375 85008400 91809072 95634450 97972181 99576000 102010080 106260500 114761340 122412096 127512600 143451675 153015120 159390750 170016800 183618144 191268900 195944362 204020160 212521000 229522680 239086125 255025200 286903350 293916543 306030240 318781500 340033600 367236288 382537800 391888724 425042000 459045360 478172250 489860905 510050400 573806700 587833086 612060480 637563000 717258375 765075600 783777448 850084000 881749629 918090720 956344500 979721810 1020100800 1147613400 1175666172 1275126000 1434516750 1469582715 1530151200 1567554896 1700168000 1763499258 1836181440 1912689000 1959443620 2295226800 2351332344 2449304525 2550252000 2645248887 2869033500 2939165430 3060302400 3135109792 3526998516 3825378000 3918887240 4408748145 4590453600 4702664688 4898609050 5100504000 5290497774 5738067000 5878330860 6270219584 7053997032 7347913575 7650756000 7837774480 8817496290 9180907200 9405329376 9797218100 10580995548 11476134000 11756661720 12246522625 13226244435 14107994064 14695827150 15301512000 15675548960 17634992580 18810658752 19594436200 21161991096 22043740725 22952268000 23513323440 24493045250 26452488870 28215988128 29391654300 31351097920 35269985160 36739567875 39188872400 42323982192 44087481450 45904536000 47026646880 48986090500 52904977740 56431976256 58783308600 66131222175 70539970320 73479135750 78377744800 84647964384 88174962900 94053293760 97972181000 105809955480 110218703625 117566617200 132262444350 141079940640 146958271500 156755489600 169295928768 176349925800 195944362000 211619910960 220437407250 235133234400 264524888700 282159881280 293916543000 330656110875 352699851600 391888724000 423239821920 440874814500 470266468800 529049777400 587833086000 661312221750 705399703200 783777448000 846479643840 881749629000 1058099554800 1175666172000 1322624443500 1410799406400 1763499258000 2116199109600 2351332344000 2645248887000 3526998516000 4232398219200 5290497774000 7053997032000 10580995548000 21161991096000
• Sum of all divisors σ(n): 77809778766720
• Sum of proper divisors (its aliquot sum) s(n): 56647787670720
• 21161991096000 is an abundant number, because the sum of its proper divisors (56647787670720) is greater than itself. Its abundance is 35485796574720

Bases of 21161991096000

• Binary: 100110011111100101000111101100100011011000000₂
• Hexadecimal: 0x133F28F646C0
• Base-36: 7I1ON41C0

Squares and roots of 21161991096000

• 21161991096000 squared (21161991096000²) is 447829867147183281216000000
• 21161991096000 cubed (21161991096000³) is 9476971661091555518573056052736000000000
• The square root of 21161991096000 is 4600216.4183872915
• 21161991096000 is a perfect cube number. Its cube root is 27660

Scales and comparisons

• 21,161,991,096,000 seconds is equal to 672,885 years, 44 weeks, 4 days, 12 hours.
• To count from 1 to 21,161,991,096,000 would take you about one million, six hundred eighty-two thousand, two hundred fourteen 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 21161991096000 cubic inches would be around 2305 feet tall.

Recreational maths with 21161991096000

• 21161991096000 backwards is 00069019916112
• 21161991096000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21161991096000's digits is 45
• More coming soon!