21987282828000

Names of 21987282828000

• Cardinal: 21987282828000 can be written as Twenty-one trillion, nine hundred eighty-seven billion, two hundred eighty-two million, eight hundred twenty-eight thousand.

Scientific notation

• Scientific notation: 2.1987282828 × 10¹³

Factors of 21987282828000

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 444470

Divisors of 21987282828000

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 25 28 30 31 32 35 38 40 42 48 50 56 57 60 62 70 75 76 80 84 93 95 96 100 105 112 114 120 124 125 133 140 150 152 155 160 168 175 186 190 200 210 217 224 228 240 248 250 266 280 285 300 304 310 336 350 372 375 380 399 400 420 434 456 465 475 480 496 500 525 532 560 570 589 600 608 620 651 665 672 700 744 750 760 775 798 800 840 868 875 912 930 950 992 1000 1050 1064 1085 1120 1140 1178 1200 1240 1302 1330 1400 1425 1488 1500 1520 1550 1596 1680 1736 1750 1767 1824 1860 1900 1995 2000 2100 2128 2170 2280 2325 2356 2375 2400 2480 2604 2625 2660 2800 2850 2945 2976 3000 3040 3100 3192 3255 3325 3360 3472 3500 3534 3720 3800 3875 3990 4000 4123 4200 4256 4340 4560 4650 4712 4750 4960 5208 5250 5320 5425 5600 5700 5890 6000 6200 6384 6510 6650 6944 7000 7068 7125 7440 7600 7750 7980 8246 8400 8680 8835 9120 9300 9424 9500 9975 10416 10500 10640 10850 11400 11625 11780 12000 12369 12400 12768 13020 13300 14000 14136 14250 14725 14880 15200 15500 15960 16275 16492 16625 16800 17360 17670 18600 18848 19000 19950 20615 20832 21000 21280 21700 22800 23250 23560 24738 24800 26040 26600 27125 28000 28272 28500 29450 31000 31920 32550 32984 33250 34720 35340 37200 38000 39900 41230 42000 43400 44175 45600 46500 47120 49476 49875 52080 53200 54250 56544 57000 58900 61845 62000 63840 65100 65968 66500 70680 73625 74400 76000 79800 81375 82460 84000 86800 88350 93000 94240 98952 99750 103075 104160 106400 108500 114000 117800 123690 124000 130200 131936 133000 141360 147250 159600 162750 164920 173600 176700 186000 197904 199500 206150 217000 220875 228000 235600 247380 260400 266000 282720 294500 309225 319200 325500 329840 353400 372000 395808 399000 412300 434000 441750 444403 471200 494760 515375 520800 532000 589000 618450 651000 659680 706800 798000 824600 868000 883500 888806 989520 1030750 1178000 1236900 1302000 1333209 1413600 1546125 1596000 1649200 1767000 1777612 1979040 2061500 2222015 2356000 2473800 2604000 2666418 3092250 3110821 3298400 3534000 3555224 4123000 4444030 4947600 5332836 6184500 6221642 6666045 7068000 7110448 8246000 8443657 8888060 9332463 9895200 10665672 11110075 12369000 12443284 13332090 13776493 14220896 15554105 16492000 16887314 17776120 18664926 21331344 22220150 24738000 24886568 25330971 26664180 27552986 31108210 33330225 33774628 35552240 37329852 41329479 42218285 42662688 44440300 46662315 49476000 49773136 50661942 53328360 55105972 55550375 59105599 62216420 66660450 67549256 68882465 71104480 74659704 77770525 82658958 84436570 88880600 93324630 96435451 99546272 101323884 106656720 110211944 111100750 118211198 124432840 126654855 133320900 135098512 137764930 149319408 155541050 165317916 166651125 168873140 177316797 177761200 186649260 192870902 202647768 206647395 211091425 213313440 220423888 222201500 233311575 236422396 248865680 253309710 261753367 266641800 270197024 275529860 289306353 295527995 298638816 311082100 330635832 333302250 337746280 344412325 354633594 355522400 373298520 385741804 388852625 405295536 413294790 422182850 440847776 444403000 466623150 472844792 482177255 497731360 506619420 523506734 533283600 551059720 578612706 591055990 622164200 633274275 661271664 666604500 675492560 688824650 709267188 746597040 771483608 777705250 785260101 810591072 826589580 844365700 886583985 888806000 933246300 945689584 964354510 1013238840 1033236975 1047013468 1055457125 1066567200 1102119440 1157225412 1166557875 1182111980 1244328400 1266548550 1308766835 1322543328 1333209000 1350985120 1377649300 1418534376 1446531765 1477639975 1493194080 1542967216 1555410500 1570520202 1653179160 1688731400 1722061625 1773167970 1777612000 1832273569 1866492600 1891379168 1928709020 2026477680 2066473950 2094026936 2110914250 2204238880 2314450824 2333115750 2364223960 2410886275 2488656800 2533097100 2617533670 2666418000 2755298600 2837068752 2893063530 2955279950 3085934432 3110821000 3141040404 3166371375 3306358320 3377462800 3444123250 3546335940 3664547138 3732985200 3857418040 3926300505 4052955360 4132947900 4188053872 4221828500 4432919925 4628901648 4666231500 4728447920 4821772550 5066194200 5166184875 5235067340 5332836000 5496820707 5510597200 5674137504 5786127060 5910559900 6221642000 6282080808 6332742750 6543834175 6612716640 6754925600 6888246500 7092671880 7232658825 7329094276 7388199875 7465970400 7714836080 7852601010 8265895800 8376107744 8443657000 8865839850 9161367845 9257803296 9332463000 9456895840 9643545100 10132388400 10332369750 10470134680 10993641414 11021194400 11572254120 11821119800 12054431375 12443284000 12564161616 12665485500 13087668350 13776493000 14185343760 14465317650 14658188552 14776399750 15429672160 15705202020 16531791600 16887314000 17731679700 18322735690 18664926000 19287090200 19631502525 20264776800 20664739500 20940269360 21987282828 22164599625 23144508240 23642239600 24108862750 25128323232 25330971000 26175336700 27484103535 27552986000 28370687520 28930635300 29316377104 29552799500 31410404040 32719170875 33063583200 33774628000 35463359400 36163294125 36645471380 37329852000 38574180400 39263005050 41329479000 41880538720 43974565656 44329199250 45806839225 46289016480 47284479200 48217725500 50661942000 52350673400 54968207070 55105972000 57861270600 58632754208 59105599000 62820808080 65438341750 70926718800 72326588250 73290942760 77148360800 78526010100 82658958000 87949131312 88658398500 91613678450 96435451000 98157512625 101323884000 104701346800 109936414140 115722541200 118211198000 125641616160 130876683500 137420517675 141853437600 144653176500 146581885520 157052020200 165317916000 175898262624 177316797000 183227356900 192870902000 196315025250 209402693600 219872828280 229034196125 231445082400 236422396000 261753367000 274841035350 289306353000 293163771040 314104040400 354633594000 366454713800 385741804000 392630050500 439745656560 458068392250 523506734000 549682070700 578612706000 628208080800 687102588375 709267188000 732909427600 785260101000 879491313120 916136784500 1047013468000 1099364141400 1157225412000 1374205176750 1465818855200 1570520202000 1832273569000 2198728282800 2748410353500 3141040404000 3664547138000 4397456565600 5496820707000 7329094276000 10993641414000 21987282828000
• Sum of all divisors σ(n): 89448499445760
• Sum of proper divisors (its aliquot sum) s(n): 67461216617760
• 21987282828000 is an abundant number, because the sum of its proper divisors (67461216617760) is greater than itself. Its abundance is 45473933789760

Bases of 21987282828000

• Binary: 100111111111101010000001011101011101011100000₂
• Hexadecimal: 0x13FF502EBAE0
• Base-36: 7SKTGI19C

Squares and roots of 21987282828000

• 21987282828000 squared (21987282828000²) is 483440606158463677584000000
• 21987282828000 cubed (21987282828000³) is 10629545338145899465004411727552000000000
• The square root of 21987282828000 is 4689059.9087663617
• The cube root of 21987282828000 is 28014.9931725473

Scales and comparisons

• 21,987,282,828,000 seconds is equal to 699,127 years, 30 weeks, 2 days, 3 hours, 20 minutes.
• To count from 1 to 21,987,282,828,000 would take you about one million, seven hundred forty-seven thousand, eight hundred eighteen 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 21987282828000 cubic inches would be around 2334.6 feet tall.

Recreational maths with 21987282828000

• 21987282828000 backwards is 00082828278912
• 21987282828000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21987282828000's digits is 57
• More coming soon!