21128089399200

Names of 21128089399200

• Cardinal: 21128089399200 can be written as Twenty-one trillion, one hundred twenty-eight billion, eighty-nine million, three hundred ninety-nine thousand, two hundred.

Scientific notation

• Scientific notation: 2.11280893992 × 10¹³

Factors of 21128089399200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 11838

Divisors of 21128089399200

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 32 35 36 40 42 45 48 50 54 56 60 63 70 72 75 80 84 90 96 100 105 108 112 120 126 135 140 144 150 160 168 175 180 189 200 210 216 224 225 240 252 270 280 288 300 315 336 350 360 378 400 420 432 450 480 504 525 540 560 600 630 672 675 700 720 756 800 840 864 900 945 1008 1050 1080 1120 1200 1260 1350 1400 1440 1512 1575 1680 1800 1890 2016 2100 2160 2400 2520 2700 2800 3024 3150 3360 3600 3780 4200 4320 4725 5040 5400 5600 6048 6300 7200 7560 8400 9450 10080 10800 11821 12600 15120 16800 18900 21600 23642 25200 30240 35463 37800 47284 50400 59105 70926 75600 82747 94568 106389 118210 141852 151200 165494 177315 189136 212778 236420 248241 283704 295525 319167 330988 354630 378272 413735 425556 472840 496482 531945 567408 591050 638334 661976 709260 744723 827470 851112 886575 945680 992964 1063890 1134816 1182100 1241205 1276668 1323952 1418520 1489446 1595835 1654940 1702224 1773150 1891360 1985928 2068675 2127780 2234169 2364200 2482410 2553336 2647904 2659725 2837040 2978892 3191670 3309880 3404448 3546300 3723615 3971856 4137350 4255560 4468338 4728400 4964820 5106672 5319450 5674080 5957784 6206025 6383340 6619760 7092600 7447230 7943712 7979175 8274700 8511120 8936676 9456800 9929640 10213344 10638900 11170845 11915568 12412050 12766680 13239520 14185200 14894460 15958350 16549400 17022240 17873352 18618075 19859280 21277800 22341690 23831136 24824100 25533360 28370400 29788920 31916700 33098800 35746704 37236150 39718560 42555600 44683380 49648200 51066720 55854225 59577840 63833400 66197600 71493408 74472300 85111200 89366760 99296400 111708450 119155680 127666800 139736041 148944600 178733520 198592800 223416900 255333600 279472082 297889200 357467040 419208123 446833800 558944164 595778400 698680205 838416246 893667600 978152287 1117888328 1257624369 1397360410 1676832492 1787335200 1956304574 2096040615 2235776656 2515248738 2794720820 2934456861 3353664984 3493401025 3772873107 3912609148 4192081230 4471553312 4890761435 5030497476 5589441640 5868913722 6288121845 6707329968 6986802050 7545746214 7825218296 8384162460 8803370583 9781522870 10060994952 10480203075 11178883280 11737827444 12576243690 13414659936 13973604100 14672284305 15091492428 15650436592 16768324920 17606741166 18864365535 19563045740 20121989904 20960406150 22357766560 23475654888 24453807175 25152487380 26410111749 27947208200 29344568610 30182984856 31300873184 31440609225 33536649840 35213482332 37728731070 39126091480 40243979808 41920812300 44016852915 46951309776 48907614350 50304974760 52820223498 55894416400 58689137220 60365969712 62881218450 67073299680 70426964664 73361421525 75457462140 78252182960 83841624600 88033705830 93902619552 94321827675 97815228700 100609949520 105640446996 111788832800 117378274440 120731939424 125762436900 132050558745 140853929328 146722843050 150914924280 156504365920 167683249200 176067411660 188643655350 195630457400 201219899040 211280893992 220084264575 234756548880 251524873800 264101117490 281707858656 293445686100 301829848560 335366498400 352134823320 377287310700 391260914800 422561787984 440168529150 469513097760 503049747600 528202234980 586891372200 603659697120 660252793725 704269646640 754574621400 782521829600 845123575968 880337058300 1006099495200 1056404469960 1173782744400 1320505587450 1408539293280 1509149242800 1760674116600 2112808939920 2347565488800 2641011174900 3018298485600 3521348233200 4225617879840 5282022349800 7042696466400 10564044699600 21128089399200
• Sum of all divisors σ(n): 87336824460480
• Sum of proper divisors (its aliquot sum) s(n): 66208735061280
• 21128089399200 is an abundant number, because the sum of its proper divisors (66208735061280) is greater than itself. Its abundance is 45080645662080

Bases of 21128089399200

• Binary: 100110011011101000100010000110110111110100000₂
• Hexadecimal: 0x133744436FA0
• Base-36: 7HM3YX0O0

Squares and roots of 21128089399200

• 21128089399200 squared (21128089399200²) is 446396161660587416960640000
• 21128089399200 cubed (21128089399200³) is 9431498011024626472731008267647488000000
• The square root of 21128089399200 is 4596530.1477527589
• The cube root of 21128089399200 is 27645.2215839691

Scales and comparisons

• 21,128,089,399,200 seconds is equal to 671,807 years, 46 weeks, 1 day, 18 hours.
• To count from 1 to 21,128,089,399,200 would take you about one million, six hundred seventy-nine thousand, five hundred nineteen 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 21128089399200 cubic inches would be around 2303.8 feet tall.

Recreational maths with 21128089399200

• 21128089399200 backwards is 00299398082112
• 21128089399200 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21128089399200's digits is 54
• More coming soon!