21530520798752

Names of 21530520798752

• Cardinal: 21530520798752 can be written as Twenty-one trillion, five hundred thirty billion, five hundred twenty million, seven hundred ninety-eight thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 2.1530520798752 × 10¹³

Factors of 21530520798752

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1066

Divisors of 21530520798752

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 31 32 34 49 56 62 68 98 112 119 124 136 196 217 224 238 248 272 289 343 392 434 476 496 527 544 578 686 784 833 868 952 961 992 1009 1054 1156 1372 1519 1568 1666 1736 1904 1922 2018 2023 2108 2312 2401 2744 3038 3332 3472 3689 3808 3844 4036 4046 4216 4624 4802 5488 5831 6076 6664 6727 6944 7063 7378 7688 8072 8092 8432 8959 9248 9604 10633 10976 11662 12152 13328 13454 14126 14161 14756 15376 16144 16184 16337 16864 17153 17918 19208 21266 23324 24304 25823 26656 26908 28252 28322 29512 30752 31279 32288 32368 32674 34306 35836 38416 40817 42532 46648 47089 48608 49441 51646 53816 56504 56644 59024 62558 62713 64736 65348 68612 71672 74431 76832 81634 85064 93296 94178 98882 99127 103292 107632 113008 113288 114359 118048 120071 125116 125426 130696 137224 143344 148862 163268 170128 180761 186592 188356 197764 198254 206584 215264 218953 226016 226576 228718 240142 250232 250852 261392 274448 277729 286688 291601 297724 326536 329623 340256 346087 361522 376712 395528 396508 413168 437906 438991 453152 457436 480284 500464 501704 522784 531743 548896 555458 583202 595448 653072 659246 692174 693889 723044 753424 791056 793016 800513 826336 840497 875812 877982 914872 960568 969649 1000928 1003408 1063486 1110916 1166404 1190896 1265327 1306144 1318492 1384348 1387778 1446088 1506848 1532671 1582112 1586032 1601026 1680994 1751624 1755964 1829744 1921136 1939298 1944103 2006816 2041207 2126972 2221832 2307361 2332808 2381792 2422609 2530654 2636984 2768696 2775556 2892176 3065342 3072937 3172064 3202052 3361988 3503248 3511928 3659488 3722201 3842272 3878596 3888206 4082414 4253944 4443664 4614722 4665616 4845218 5061308 5273968 5537392 5551112 5603591 5784352 5883479 6130684 6145874 6404104 6723976 6787543 7006496 7023856 7444402 7757192 7776412 8164828 8507888 8887328 9039631 9229444 9331232 9690436 10122616 10547936 10728697 11074784 11102224 11207182 11766958 12261368 12291748 12808208 13447952 13575086 13608721 14047712 14288449 14888804 15514384 15552824 16329656 16484033 17015776 18079262 18458888 19380872 20245232 21457394 21510559 22204448 22414364 23533916 24522736 24583496 25616416 26055407 26895904 27150172 27217442 28576898 29777608 31028768 31105648 32659312 32968066 36158524 36917776 38761744 39225137 40490464 41184353 42914788 43021118 44828728 47067832 47512801 49045472 49166992 52110814 54300344 54434884 57153796 59555216 62211296 63277417 65318624 65936132 72317048 73835552 75100879 77523488 78450274 82368706 85829576 86042236 89657456 94135664 95025602 95261047 98333984 100019143 104221628 108600688 108869768 114307592 115388231 119110432 126554834 131872264 144634096 150201758 156900548 164737412 171659152 172084472 179314912 182387849 188271328 190051204 190522094 200038286 208443256 217201376 217739536 228615184 230776462 253109668 263744528 280228561 289268192 300403516 313801096 329474824 332589607 343318304 344168944 364775698 380102408 381044188 400076572 416886512 435479072 442941919 457230368 461552924 506219336 527489056 560457122 600807032 627602192 658949648 665179214 666827329 688337888 700134001 729551396 760204816 762088376 800153144 807717617 833773024 885883838 923105848 1012438672 1120914244 1201614064 1255204384 1276714943 1317899296 1330358428 1333654658 1400268002 1459102792 1520409632 1524176752 1600306288 1615435234 1771767676 1846211696 1961599927 2024877344 2241828488 2328127249 2403228128 2553429886 2660716856 2667309316 2800536004 2918205584 3048353504 3100593433 3200612576 3230870468 3543535352 3692423392 3923199854 4483656976 4656254498 5106859772 5321433712 5334618632 5601072008 5654023319 5836411168 6201186866 6461740936 7087070704 7846399708 8967313952 9312508996 10213719544 10642867424 10669237264 11202144016 11308046638 12402373732 12923481872 13731199489 14174141408 15692799416 18625017992 20427439088 21338474528 21704154031 22404288032 22616093276 24804747464 25846963744 27462398978 31385598832 37250035984 39578163233 40854878176 43408308062 45232186552 49609494928 54924797956 62771197664 74500071968 79156326466 86816616124 90464373104 96118396423 99218989856 109849595912 158312652932 173633232248 180928746208 192236792846 219699191824 316625305864 347266464496 384473585692 439398383648 633250611728 672828774961 694532928992 768947171384 1266501223456 1345657549922 1537894342768 2691315099844 3075788685536 5382630199688 10765260399376 21530520798752
• Sum of all divisors σ(n): 54332871233130
• Sum of proper divisors (its aliquot sum) s(n): 32802350434378
• 21530520798752 is an abundant number, because the sum of its proper divisors (32802350434378) is greater than itself. Its abundance is 11271829635626

Bases of 21530520798752

• Binary: 100111001010011110111000010110100011000100000₂
• Hexadecimal: 0x1394F70B4620
• Base-36: 7MQZG6JVK

Squares and roots of 21530520798752

• 21530520798752 squared (21530520798752²) is 463563325865492460084757504
• 21530520798752 cubed (21530520798752³) is 9980759829085636383417906612642305835008
• The square root of 21530520798752 is 4640099.2229425439
• The cube root of 21530520798752 is 27819.6403826897

Scales and comparisons

• 21,530,520,798,752 seconds is equal to 684,603 years, 50 weeks, 13 hours, 52 minutes, 32 seconds.
• To count from 1 to 21,530,520,798,752 would take you about one million, seven hundred eleven thousand, five hundred nine 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 21530520798752 cubic inches would be around 2318.3 feet tall.

Recreational maths with 21530520798752

• 21530520798752 backwards is 25789702503512
• 21530520798752 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21530520798752's digits is 56
• More coming soon!