21828821417640

Names of 21828821417640

• Cardinal: 21828821417640 can be written as Twenty-one trillion, eight hundred twenty-eight billion, eight hundred twenty-one million, four hundred seventeen thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.182882141764 × 10¹³

Factors of 21828821417640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1128

Divisors of 21828821417640

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 79 81 90 108 120 135 158 162 180 216 237 270 316 324 360 395 405 474 540 632 648 711 790 810 948 1039 1080 1185 1422 1580 1620 1896 2078 2133 2370 2844 3117 3160 3240 3555 4156 4266 4740 5195 5688 6234 6241 6399 7110 8312 8532 9351 9480 10390 10665 12468 12482 12798 14220 15585 17064 18702 18723 20780 21330 24936 24964 25596 28053 28440 31170 31205 31995 37404 37446 41560 42660 46755 49928 51192 56106 56169 62340 62410 63990 74808 74892 82081 84159 85320 93510 93615 112212 112338 124680 124820 127980 140265 149784 164162 168318 168507 187020 187230 224424 224676 246243 249640 255960 280530 280845 328324 336636 337014 374040 374460 410405 420795 449352 492486 505521 561060 561690 656648 673272 674028 738729 748920 820810 841590 842535 984972 1011042 1079521 1122120 1123380 1231215 1348056 1477458 1641620 1683180 1685070 1969944 2022084 2159042 2216187 2246760 2462430 2527605 2954916 3238563 3283240 3366360 3370140 3693645 4044168 4318084 4432374 4924860 5055210 5397605 5909832 6477126 6484399 6648561 6740280 7387290 8636168 8864748 9715689 9849720 10110420 10795210 11080935 12954252 12968798 13297122 14774580 16192815 17729496 19431378 19453197 20220840 21590420 22161870 25908504 25937596 26594244 29147067 29549160 32385630 32421995 33242805 38862756 38906394 43180840 44323740 48578445 51875192 53188488 58294134 58359591 64771260 64843990 66485610 77725512 77812788 85282159 87441201 88647480 97156890 97265985 116588268 116719182 129542520 129687980 132971220 145735335 155625576 170564318 174882402 175078773 194313780 194531970 233176536 233438364 255846477 259375960 265942440 291470670 291797955 341128636 349764804 350157546 388627560 389063940 426410795 437206005 466876728 511692954 525236319 582941340 583595910 682257272 699529608 700315092 767539431 778127880 852821590 874412010 875393865 1023385908 1050472638 1165882680 1167191820 1279232385 1400630184 1535078862 1705643180 1748824020 1750787730 2046771816 2100945276 2302618293 2334383640 2558464770 2626181595 3070157724 3411286360 3497648040 3501575460 3837697155 4201890552 4605236586 5116929540 5252363190 6140315448 6737290561 6907854879 7003150920 7675394310 9210473172 10233859080 10504726380 11513091465 13474581122 13815709758 15350788620 18420946344 20211871683 21009452760 23026182930 26949162244 27631419516 30701577240 33686452805 34539274395 40423743366 46052365860 53898324488 55262839032 60635615049 67372905610 69078548790 80847486732 92104731720 101059358415 121271230098 134745811220 138157097580 161694973464 181906845147 202118716830 242542460196 269491622440 276314195160 303178075245 363813690294 404237433660 485084920392 545720535441 606356150490 727627380588 808474867320 909534225735 1091441070882 1212712300980 1455254761176 1819068451470 2182882141764 2425424601960 2728602677205 3638136902940 4365764283528 5457205354410 7276273805880 10914410708820 21828821417640
• Sum of all divisors σ(n): 74381162022090
• Sum of proper divisors (its aliquot sum) s(n): 52552340604450
• 21828821417640 is an abundant number, because the sum of its proper divisors (52552340604450) is greater than itself. Its abundance is 30723519186810

Bases of 21828821417640

• Binary: 100111101101001101011001001010111111010101000₂
• Hexadecimal: 0x13DA6B257EA8
• Base-36: 7QK0SO2I0

Squares and roots of 21828821417640

• 21828821417640 squared (21828821417640²) is 476497444483218779303169600
• 21828821417640 cubed (21828821417640³) is 10401377621586012951218884919217351744000
• The square root of 21828821417640 is 4672132.4272370533
• The cube root of 21828821417640 is 27947.5298897315

Scales and comparisons

• 21,828,821,417,640 seconds is equal to 694,089 years, 54 minutes.
• To count from 1 to 21,828,821,417,640 would take you about one million, seven hundred thirty-five thousand, two hundred twenty-two 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 21828821417640 cubic inches would be around 2329 feet tall.

Recreational maths with 21828821417640

• 21828821417640 backwards is 04671412882812
• 21828821417640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21828821417640's digits is 54
• More coming soon!