21054221370

Names of 21054221370

• Cardinal: 21054221370 can be written as Twenty-one billion, fifty-four million, two hundred twenty-one thousand, three hundred seventy.

Scientific notation

• Scientific notation: 2.105422137 × 10¹⁰

Factors of 21054221370

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 212

Divisors of 21054221370

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 17 18 21 26 30 34 35 37 39 42 45 51 61 63 65 67 70 74 78 85 90 91 102 105 111 117 119 122 126 130 134 153 170 182 183 185 195 201 210 221 222 234 238 255 259 273 305 306 315 333 335 357 366 370 390 402 427 442 455 469 481 510 518 546 549 555 585 595 603 610 629 630 663 666 670 714 765 777 793 819 854 871 910 915 938 962 1005 1037 1071 1098 1105 1110 1139 1170 1190 1206 1258 1281 1295 1326 1365 1407 1443 1530 1547 1554 1586 1638 1665 1742 1785 1830 1887 1989 2010 2074 2135 2142 2210 2257 2278 2331 2345 2379 2405 2479 2562 2590 2613 2730 2745 2814 2886 3015 3094 3111 3145 3315 3330 3367 3417 3570 3774 3843 3885 3965 3978 4087 4095 4221 4270 4329 4355 4403 4514 4641 4662 4690 4758 4810 4958 5185 5226 5355 5490 5551 5661 5695 6030 6097 6222 6290 6405 6630 6734 6771 6834 7035 7137 7215 7259 7437 7686 7735 7770 7839 7930 7973 8174 8177 8190 8442 8658 8710 8806 9282 9333 9435 9945 10101 10251 10370 10710 11102 11285 11322 11390 11655 11895 12194 12261 12395 12810 13065 13209 13481 13542 13923 14070 14274 14430 14518 14807 14874 15470 15555 15678 15799 15946 16354 16653 16835 17085 17353 18291 18666 18870 19215 19890 20202 20313 20435 20502 21105 21645 21777 22015 22311 22570 23205 23310 23790 23919 24522 24531 24790 26130 26418 26962 27755 27846 28305 28609 29341 29614 30303 30485 31110 31598 32227 33306 33670 33855 34170 34706 35685 36295 36582 36783 37185 38369 38430 39195 39627 39865 40443 40626 40870 40885 42143 42210 43290 43554 44030 44421 44622 46410 46665 47397 47838 49062 49959 50505 51255 52059 53131 54873 55510 56610 57218 57239 58682 60606 60970 61305 64454 65331 66045 67405 67710 69479 69615 71370 71757 72590 73566 73593 74035 74370 76738 78390 78995 79254 79730 80886 81770 83265 84286 85827 86765 88023 88842 91455 93330 94367 94794 96681 99918 101010 101565 102510 103649 104118 106262 108885 109746 111555 114478 115107 119595 121329 122610 122655 126429 130662 132090 133263 134810 138958 139230 142191 143045 143514 146705 147186 148070 151219 151515 156177 157990 159393 161135 166530 171654 171717 173530 176046 182910 183915 188734 191845 193362 198135 202215 203130 205387 207298 208437 210715 217770 222105 223110 225589 230214 236985 239190 242658 245310 249795 252858 257481 260295 264069 265655 266526 268583 274365 283101 284382 286090 286195 290043 293410 295001 302438 303030 310947 312354 318786 322270 326655 343434 345321 347395 358785 367830 367965 371917 379287 383690 396270 404430 410774 416874 421430 429135 440115 444210 451178 453657 471835 473970 478179 483405 486353 498797 499590 514962 515151 518245 520590 528138 531310 537166 547859 548730 566202 572390 575535 580086 590002 606645 616161 621894 625311 632145 653310 666315 676767 690642 694790 710955 717570 735930 743834 756095 758574 780885 796965 805749 849303 858270 858585 880230 885003 903227 907314 932841 943670 956358 966810 972706 997594 1026935 1030302 1036490 1042185 1058533 1095718 1115751 1127945 1151070 1213290 1232322 1250622 1264290 1287405 1320345 1332630 1342915 1353534 1360971 1415505 1421910 1450215 1459059 1475005 1496391 1512190 1554735 1561770 1593930 1611498 1643577 1698606 1717170 1726605 1770006 1806454 1848483 1859585 1865682 1896435 1965847 2030301 2053870 2084370 2117066 2231502 2255890 2268285 2390895 2417247 2431765 2493985 2570723 2574810 2575755 2640690 2655009 2685830 2709681 2721942 2739295 2831010 2900430 2918118 2950010 2992782 3080805 3109470 3126555 3175599 3287154 3347253 3383835 3453210 3491579 3696966 3719170 3792870 3835013 3931694 4028745 4060602 4246515 4377177 4425015 4489173 4516135 4536570 4664205 4781790 4834494 4863530 4930731 4987970 5141446 5151510 5292665 5310018 5419362 5478590 5578755 5897541 6161610 6253110 6322589 6351198 6694506 6767670 6804855 6983158 7295295 7481955 7670026 7712169 8057490 8129043 8217885 8493030 8754354 8850030 8978346 9032270 9242415 9328410 9526797 9829235 9861462 10151505 10474737 10585330 11157510 11505039 11795082 12086235 12645178 12853615 13275045 13548405 13609710 13760929 14590590 14963910 15424338 15877995 16258086 16435770 16736265 17457895 17692623 17995061 18484830 18967767 19053594 19175065 19658470 20303010 20949474 21885885 22445865 23010078 23136507 24172470 24653655 25707230 26550090 27096810 27521858 29487705 31424211 31612945 31755990 33419399 33472530 34515117 34915790 35385246 35990122 37935534 38350130 38560845 40645215 41282787 43771770 44891730 46273014 47633985 49307310 52373685 53985183 56903301 57525195 58975410 62848422 63225890 66838798 68804645 69030234 77121690 81290430 82565574 88463115 89975305 94838835 95267970 100258197 104747370 107970366 113806602 115050390 115682535 123848361 137609290 157121055 161955549 167096995 172575585 176926230 179950610 189677670 200516394 206413935 231365070 233935793 247696722 269925915 284516505 300774591 314242110 323911098 334193990 345151170 412827870 467871586 501290985 539851830 569033010 601549182 619241805 701807379 809777745 1002581970 1169678965 1238483610 1403614758 1503872955 1619555490 2105422137 2339357930 3007745910 3509036895 4210844274 7018073790 10527110685 21054221370
• Sum of all divisors σ(n): 75577162752
• Sum of proper divisors (its aliquot sum) s(n): 54522941382
• 21054221370 is an abundant number, because the sum of its proper divisors (54522941382) is greater than itself. Its abundance is 33468720012

Bases of 21054221370

• Binary: 10011100110111011011110110000111010₂
• Hexadecimal: 0x4E6EDEC3A
• Base-36: 9O7516I

Squares and roots of 21054221370

• 21054221370 squared (21054221370²) is 443280237496964676900
• 21054221370 cubed (21054221370³) is 9332920249207269010523125353000
• The square root of 21054221370 is 145100.7283579237
• The cube root of 21054221370 is 2761.2966221751

Scales and comparisons

• 21,054,221,370 seconds is equal to 669 years, 23 weeks, 6 days, 2 hours, 49 minutes, 30 seconds.
• To count from 1 to 21,054,221,370 would take you about one thousand, three hundred thirty-eight 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 21054221370 cubic inches would be around 230.1 feet tall.

Recreational maths with 21054221370

• 21054221370 backwards is 07312245012
• The number of decimal digits it has is: 11
• The sum of 21054221370's digits is 27
• More coming soon!