20998268928

Names of 20998268928

• Cardinal: 20998268928 can be written as Twenty billion, nine hundred ninety-eight million, two hundred sixty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0998268928 × 10¹⁰

Factors of 20998268928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 132

Divisors of 20998268928

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 64 72 78 81 84 91 96 104 107 108 112 117 126 128 144 156 162 168 169 182 189 192 208 214 216 224 234 252 256 273 288 312 321 324 336 338 351 364 378 384 416 428 432 448 468 504 507 512 546 567 576 624 642 648 672 676 702 728 749 756 768 819 832 856 864 896 936 963 1008 1014 1024 1053 1092 1134 1152 1183 1248 1284 1296 1344 1352 1391 1404 1456 1498 1512 1521 1536 1638 1664 1712 1728 1792 1872 1926 2016 2028 2048 2106 2184 2247 2268 2304 2366 2457 2496 2568 2592 2688 2704 2782 2808 2889 2912 2996 3024 3042 3072 3276 3328 3424 3456 3549 3584 3744 3852 4032 4056 4173 4212 4368 4494 4536 4563 4608 4732 4914 4992 5136 5184 5376 5408 5564 5616 5778 5824 5992 6048 6084 6144 6552 6656 6741 6848 6912 7098 7168 7371 7488 7704 8064 8112 8346 8424 8667 8736 8988 9072 9126 9216 9464 9737 9828 9984 10272 10368 10647 10752 10816 11128 11232 11556 11648 11984 12096 12168 12519 13104 13312 13482 13689 13696 13824 14196 14336 14742 14976 15408 16128 16224 16692 16848 17334 17472 17976 18083 18144 18252 18432 18928 19474 19656 19968 20223 20544 20736 21294 21504 21632 22256 22464 23112 23296 23968 24192 24336 25038 26208 26624 26964 27378 27392 27648 28392 29211 29484 29952 30816 31941 32256 32448 33384 33696 34668 34944 35952 36166 36288 36504 37557 37856 38948 39312 39936 40446 41088 41472 42588 43008 43264 44512 44928 46224 46592 47936 48384 48672 50076 52416 53928 54249 54756 54784 55296 56784 58422 58968 59904 60669 61632 63882 64512 64896 66768 67392 69336 69888 71904 72332 72576 73008 75114 75712 77896 78624 79872 80892 82176 82944 85176 86528 87633 89024 89856 92448 93184 95823 95872 96768 97344 100152 104832 107856 108498 109512 109568 112671 113568 116844 117936 119808 121338 123264 126581 127764 129024 129792 133536 134784 138672 139776 143808 144664 145152 146016 150228 151424 155792 157248 161784 162747 164352 165888 170352 173056 175266 178048 179712 184896 186368 191646 191744 193536 194688 200304 209664 215712 216996 219024 219136 225342 227136 233688 235872 239616 242676 246528 253162 255528 259584 262899 267072 269568 277344 279552 287616 289328 290304 292032 300456 302848 311584 314496 323568 325494 328704 340704 346112 350532 356096 359424 369792 379743 383292 383488 387072 389376 400608 419328 431424 433992 438048 450684 454272 467376 471744 485352 488241 493056 506324 511056 519168 525798 534144 539136 554688 559104 575232 578656 580608 584064 600912 605696 623168 628992 647136 650988 657408 681408 701064 712192 718848 739584 759486 766584 766976 778752 788697 801216 838656 862848 867984 876096 901368 908544 934752 943488 970704 976482 986112 1012648 1022112 1038336 1051596 1068288 1078272 1109376 1139229 1150464 1157312 1161216 1168128 1201824 1211392 1246336 1257984 1294272 1301976 1362816 1402128 1424384 1464723 1479168 1518972 1533168 1533952 1557504 1577394 1602432 1677312 1725696 1735968 1752192 1802736 1817088 1869504 1886976 1941408 1952964 1972224 2025296 2044224 2103192 2136576 2156544 2218752 2278458 2300928 2314624 2336256 2403648 2422784 2492672 2515968 2588544 2603952 2725632 2804256 2848768 2929446 2958336 3037944 3066336 3115008 3154788 3204864 3417687 3451392 3471936 3504384 3605472 3634176 3739008 3773952 3882816 3905928 4050592 4088448 4206384 4273152 4437504 4556916 4601856 4629248 4672512 4807296 4985344 5031936 5177088 5207904 5451264 5608512 5858892 5916672 6075888 6132672 6309576 6409728 6835374 6902784 6943872 7008768 7210944 7268352 7478016 7547904 7765632 7811856 8101184 8176896 8412768 8546304 8875008 9113832 9258496 9345024 9614592 9970688 10253061 10354176 10415808 10902528 11217024 11717784 12151776 12265344 12619152 12819456 13670748 13805568 13887744 14017536 14421888 14956032 15095808 15531264 15623712 16202368 16353792 16825536 17750016 18227664 18516992 19229184 19941376 20506122 20708352 20831616 21805056 22434048 23435568 24303552 24530688 25238304 25638912 27341496 27775488 28035072 28843776 29912064 31062528 31247424 32404736 32707584 33651072 36455328 37033984 38458368 41012244 41416704 41663232 44868096 46871136 48607104 49061376 50476608 54682992 55550976 57687552 59824128 62125056 62494848 64809472 65415168 67302144 72910656 76916736 82024488 83326464 89736192 93742272 97214208 98122752 100953216 109365984 111101952 115375104 124250112 124989696 129618944 134604288 145821312 164048976 166652928 179472384 187484544 194428416 196245504 201906432 218731968 230750208 249979392 259237888 269208576 291642624 328097952 333305856 374969088 388856832 403812864 437463936 499958784 538417152 583285248 656195904 749938176 777713664 807625728 874927872 999917568 1166570496 1312391808 1499876352 1615251456 1749855744 2333140992 2624783616 2999752704 3499711488 5249567232 6999422976 10499134464 20998268928
• Sum of all divisors σ(n): 78343705440
• Sum of proper divisors (its aliquot sum) s(n): 57345436512
• 20998268928 is an abundant number, because the sum of its proper divisors (57345436512) is greater than itself. Its abundance is 36347167584

Bases of 20998268928

• Binary: 10011100011100110000010100000000000₂
• Hexadecimal: 0x4E3982800
• Base-36: 9N9TS00

Squares and roots of 20998268928

• 20998268928 squared (20998268928²) is 440927297972610269184
• 20998268928 cubed (20998268928³) is 9258709980525259610460103114752
• The square root of 20998268928 is 144907.7945729629
• The cube root of 20998268928 is 2758.8483664187

Scales and comparisons

• 20,998,268,928 seconds is equal to 667 years, 35 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 20,998,268,928 would take you about one thousand, three hundred thirty-five 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 20998268928 cubic inches would be around 229.9 feet tall.

Recreational maths with 20998268928

• 20998268928 backwards is 82986289902
• 20998268928 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20998268928's digits is 63
• More coming soon!