21155193846000

Names of 21155193846000

• Cardinal: 21155193846000 can be written as Twenty-one trillion, one hundred fifty-five billion, one hundred ninety-three million, eight hundred forty-six thousand.

Scientific notation

• Scientific notation: 2.1155193846 × 10¹³

Factors of 21155193846000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 19803

Divisors of 21155193846000

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 125 135 144 150 180 200 216 225 240 250 270 300 360 375 400 432 450 500 540 600 675 720 750 900 1000 1080 1125 1200 1350 1500 1800 2000 2160 2250 2700 3000 3375 3600 4500 5400 6000 6750 9000 10800 13500 18000 19793 27000 39586 54000 59379 79172 98965 118758 158344 178137 197930 237516 296895 316688 356274 395860 475032 494825 534411 593790 712548 791720 890685 950064 989650 1068822 1187580 1425096 1484475 1583440 1781370 1979300 2137644 2375160 2474125 2672055 2850192 2968950 3562740 3958600 4275288 4453425 4750320 4948250 5344110 5937900 7125480 7422375 7917200 8550576 8906850 9896500 10688220 11875800 13360275 14250960 14844750 17813700 19793000 21376440 22267125 23751600 26720550 29689500 35627400 39586000 42752880 44534250 53441100 59379000 66801375 71254800 89068500 106882200 118758000 133602750 178137000 213764400 267205500 356274000 391762849 534411000 783525698 1068822000 1175288547 1567051396 1958814245 2350577094 3134102792 3525865641 3917628490 4701154188 5876442735 6268205584 7051731282 7835256980 9402308376 9794071225 10577596923 11752885470 14103462564 15670513960 17629328205 18804616752 19588142450 21155193846 23505770940 28206925128 29382213675 31341027920 35258656410 39176284900 42310387692 47011541880 48970356125 52887984615 56413850256 58764427350 70517312820 78352569800 84620775384 88146641025 94023083760 97940712250 105775969230 117528854700 141034625640 146911068375 156705139600 169241550768 176293282050 195881424500 211551938460 235057709400 264439923075 282069251280 293822136750 352586564100 391762849000 423103876920 440733205125 470115418800 528879846150 587644273500 705173128200 783525698000 846207753840 881466410250 1057759692300 1175288547000 1322199615375 1410346256400 1762932820500 2115519384600 2350577094000 2644399230750 3525865641000 4231038769200 5288798461500 7051731282000 10577596923000 21155193846000
• Sum of all divisors σ(n): 75786434461920
• Sum of proper divisors (its aliquot sum) s(n): 54631240615920
• 21155193846000 is an abundant number, because the sum of its proper divisors (54631240615920) is greater than itself. Its abundance is 33476046769920

Bases of 21155193846000

• Binary: 100110011110110010011110100000111100011110000₂
• Hexadecimal: 0x133D93D078F0
• Base-36: 7HYK87DO0

Squares and roots of 21155193846000

• 21155193846000 squared (21155193846000²) is 447542226661836271716000000
• 21155193846000 cubed (21155193846000³) is 9467842559301615818465907059736000000000
• The square root of 21155193846000 is 4599477.5622890041
• The cube root of 21155193846000 is 27657.0382108249

Scales and comparisons

• 21,155,193,846,000 seconds is equal to 672,669 years, 37 weeks, 5 days, 15 hours.
• To count from 1 to 21,155,193,846,000 would take you about one million, six hundred eighty-one thousand, six hundred seventy-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 21155193846000 cubic inches would be around 2304.8 feet tall.

Recreational maths with 21155193846000

• 21155193846000 backwards is 00064839155112
• 21155193846000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21155193846000's digits is 45
• More coming soon!