21022138368

Names of 21022138368

• Cardinal: 21022138368 can be written as Twenty-one billion, twenty-two million, one hundred thirty-eight thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1022138368 × 10¹⁰

Factors of 21022138368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 46

Divisors of 21022138368

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 23 24 28 32 33 36 42 44 46 48 49 56 63 64 66 69 72 77 84 88 92 96 98 99 112 126 128 132 138 144 147 154 161 168 176 184 192 196 198 207 224 231 252 253 256 264 276 288 294 308 322 336 352 368 384 392 396 414 441 448 462 483 504 506 512 528 529 539 552 576 588 616 644 672 693 704 736 759 768 784 792 828 882 896 924 966 1008 1012 1024 1056 1058 1078 1104 1127 1152 1176 1232 1288 1344 1386 1408 1449 1472 1518 1536 1568 1584 1587 1617 1656 1764 1771 1792 1848 1932 2016 2024 2048 2112 2116 2156 2208 2254 2277 2304 2352 2464 2576 2688 2772 2816 2898 2944 3036 3072 3136 3168 3174 3234 3312 3381 3528 3542 3584 3696 3703 3864 4032 4048 4096 4224 4232 4312 4416 4508 4554 4608 4704 4761 4851 4928 5152 5313 5376 5544 5632 5796 5819 5888 6072 6144 6272 6336 6348 6468 6624 6762 7056 7084 7168 7392 7406 7728 8064 8096 8192 8448 8464 8624 8832 9016 9108 9216 9408 9522 9702 9856 10143 10304 10626 10752 11088 11109 11264 11592 11638 11776 12144 12288 12397 12544 12672 12696 12936 13248 13524 14112 14168 14336 14784 14812 15456 15939 16128 16192 16896 16928 17248 17457 17664 18032 18216 18432 18816 19044 19404 19712 20286 20608 21252 21504 22176 22218 22528 23184 23276 23552 24288 24576 24794 25088 25344 25392 25872 25921 26496 27048 28224 28336 28672 29568 29624 30912 31878 32256 32384 33327 33792 33856 34496 34914 35328 36064 36432 36864 37191 37632 38088 38808 39424 40572 40733 41216 42504 43008 44352 44436 45056 46368 46552 47104 48576 49588 50176 50688 50784 51744 51842 52371 52992 54096 56448 56672 57344 59136 59248 61824 63756 64512 64768 66654 67584 67712 68992 69828 70656 72128 72864 73728 74382 75264 76176 77616 77763 78848 81144 81466 82432 85008 86016 88704 88872 90112 92736 93104 94208 97152 99176 100352 101376 101568 103488 103684 104742 105984 108192 111573 112896 113344 118272 118496 122199 123648 127512 129024 129536 133308 135168 135424 137984 139656 141312 144256 145728 148764 150528 152352 155232 155526 157696 162288 162932 164864 170016 172032 177408 177744 185472 186208 188416 194304 198352 200704 202752 203136 206976 207368 209484 211968 216384 223146 225792 226688 233289 236544 236992 244398 247296 255024 258048 259072 266616 270336 270848 275968 279312 282624 285131 288512 291456 297528 301056 304704 310464 311052 315392 324576 325864 329728 340032 354816 355488 366597 370944 372416 388608 396704 401408 405504 406272 413952 414736 418968 423936 432768 446292 451584 453376 466578 473088 473984 488796 494592 510048 516096 518144 533232 541696 551936 558624 565248 570262 577024 582912 595056 602112 609408 620928 622104 630784 649152 651728 659456 680064 709632 710976 733194 741888 744832 777216 793408 811008 812544 827904 829472 837936 847872 855393 865536 892584 903168 906752 933156 946176 947968 977592 989184 1020096 1036288 1066464 1083392 1103872 1117248 1140524 1154048 1165824 1190112 1204224 1218816 1241856 1244208 1298304 1303456 1318912 1360128 1419264 1421952 1466388 1483776 1489664 1554432 1586816 1625088 1655808 1658944 1675872 1695744 1710786 1731072 1785168 1806336 1813504 1866312 1892352 1895936 1955184 1978368 2040192 2072576 2132928 2166784 2207744 2234496 2281048 2308096 2331648 2380224 2437632 2483712 2488416 2566179 2596608 2606912 2720256 2838528 2843904 2932776 2967552 2979328 3108864 3173632 3250176 3311616 3317888 3351744 3421572 3462144 3570336 3612672 3627008 3732624 3791872 3910368 3956736 4080384 4265856 4333568 4415488 4468992 4562096 4616192 4663296 4760448 4875264 4967424 4976832 5132358 5193216 5213824 5440512 5677056 5687808 5865552 5935104 5958656 6217728 6347264 6500352 6623232 6635776 6703488 6843144 6924288 7140672 7254016 7465248 7583744 7820736 8160768 8531712 8937984 9124192 9232384 9326592 9520896 9750528 9934848 9953664 10264716 10386432 10427648 10881024 11375616 11731104 11870208 11917312 12694528 13000704 13246464 13271552 13406976 13686288 13848576 14281344 14508032 14930496 15167488 15641472 16321536 17063424 17875968 18248384 18653184 19041792 19501056 19869696 19907328 20529432 20772864 20855296 21762048 22751232 23462208 23834624 25389056 26543104 26813952 27372576 27697152 28562688 29860992 30334976 31282944 32643072 34126848 35751936 36496768 38083584 39002112 39739392 39814656 41058864 41545728 41710592 43524096 45502464 46924416 47669248 50778112 53086208 53627904 54745152 57125376 59721984 62565888 65286144 68253696 71503872 72993536 76167168 79629312 82117728 83091456 83421184 91004928 93848832 101556224 106172416 107255808 109490304 114250752 119443968 125131776 130572288 136507392 143007744 145987072 152334336 159258624 164235456 166842368 187697664 212344832 214511616 218980608 228501504 238887936 250263552 273014784 291974144 304668672 318517248 328470912 333684736 375395328 429023232 437961216 457003008 477775872 500527104 583948288 637034496 656941824 750790656 875922432 914006016 955551744 1001054208 1167896576 1313883648 1501581312 1751844864 1911103488 2335793152 2627767296 3003162624 3503689728 5255534592 7007379456 10511069184 21022138368
• Sum of all divisors σ(n): 80559732708
• Sum of proper divisors (its aliquot sum) s(n): 59537594340
• 21022138368 is an abundant number, because the sum of its proper divisors (59537594340) is greater than itself. Its abundance is 38515455972

Bases of 21022138368

• Binary: 10011100101000001000110000000000000₂
• Hexadecimal: 0x4E5046000
• Base-36: 9NO1DS0

Squares and roots of 21022138368

• 21022138368 squared (21022138368²) is 441930301563337703424
• 21022138368 cubed (21022138368³) is 9290319948476451917290675372032
• The square root of 21022138368 is 144990.1319676617
• The cube root of 21022138368 is 2759.8933292105

Scales and comparisons

• 21,022,138,368 seconds is equal to 668 years, 22 weeks, 5 days, 18 hours, 52 minutes, 48 seconds.
• To count from 1 to 21,022,138,368 would take you about one thousand, three hundred thirty-six 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 21022138368 cubic inches would be around 230 feet tall.

Recreational maths with 21022138368

• 21022138368 backwards is 86383122012
• 21022138368 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21022138368's digits is 36
• More coming soon!