21238790976

Names of 21238790976

• Cardinal: 21238790976 can be written as Twenty-one billion, two hundred thirty-eight million, seven hundred ninety thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 2.1238790976 × 10¹⁰

Factors of 21238790976

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 134

Divisors of 21238790976

• Number of divisors d(n): 588
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 24 26 27 32 36 38 39 48 52 54 57 64 72 76 78 81 96 97 104 108 114 117 144 152 156 162 171 192 194 208 216 228 234 243 247 288 291 304 312 324 342 351 361 388 416 432 456 468 486 494 513 576 582 608 624 648 684 702 722 729 741 776 832 864 873 912 936 972 988 1026 1053 1083 1164 1216 1248 1261 1296 1368 1404 1444 1458 1482 1539 1552 1728 1746 1824 1843 1872 1944 1976 2052 2106 2166 2223 2328 2496 2522 2592 2619 2736 2808 2888 2916 2964 3078 3104 3159 3249 3492 3648 3686 3744 3783 3888 3952 4104 4212 4332 4446 4617 4656 4693 5044 5184 5238 5472 5529 5616 5776 5832 5928 6156 6208 6318 6498 6669 6984 7372 7488 7566 7776 7857 7904 8208 8424 8664 8892 9234 9312 9386 9477 9747 10088 10476 10944 11058 11232 11349 11552 11664 11856 12312 12636 12996 13338 13851 13968 14079 14744 15132 15552 15714 15808 16416 16587 16848 17328 17784 18468 18624 18772 18954 19494 20007 20176 20952 22116 22464 22698 23104 23328 23571 23712 23959 24624 25272 25992 26676 27702 27936 28158 29241 29488 30264 31428 32832 33174 33696 34047 34656 35017 35568 36936 37544 37908 38988 40014 40352 41904 42237 44232 45396 46656 47142 47424 47918 49248 49761 50544 51984 53352 55404 55872 56316 58482 58976 60021 60528 62856 66348 67392 68094 69312 70034 70713 71136 71877 73872 75088 75816 77976 80028 80704 83808 84474 87723 88464 90792 94284 95836 98496 99522 101088 102141 103968 105051 106704 110808 112632 116964 117952 120042 121056 125712 126711 132696 136188 140068 141426 142272 143754 147744 149283 150176 151632 155952 160056 167616 168948 175446 176928 180063 181584 188568 191672 199044 202176 204282 207936 210102 213408 215631 221616 225264 233928 240084 242112 251424 253422 263169 265392 272376 280136 282852 287508 295488 298566 300352 303264 306423 311904 315153 320112 337896 350892 353856 360126 363168 377136 380133 383344 398088 408564 420204 426816 431262 443232 447849 450528 455221 467856 480168 502848 506844 526338 530784 544752 560272 565704 575016 597132 606528 612846 623808 630306 640224 646893 675792 701784 720252 726336 754272 760266 766688 796176 817128 840408 862524 886464 895698 901056 910442 919269 935712 945459 960336 1013688 1052676 1061568 1089504 1120544 1131408 1140399 1150032 1194264 1225692 1260612 1280448 1293786 1343547 1351584 1365663 1403568 1440504 1508544 1520532 1533376 1592352 1634256 1680816 1725048 1791396 1820884 1838538 1871424 1890918 1920672 1940679 2027376 2105352 2179008 2241088 2262816 2280798 2300064 2388528 2451384 2521224 2587572 2687094 2703168 2731326 2807136 2836377 2881008 3041064 3184704 3268512 3361632 3421197 3450096 3582792 3641768 3677076 3781836 3841344 3881358 4054752 4096989 4210704 4525632 4561596 4600128 4777056 4902768 5042448 5175144 5374188 5462652 5614272 5672754 5762016 5822037 6082128 6537024 6723264 6842394 6900192 7165584 7283536 7354152 7563672 7762716 8109504 8193978 8421408 8509131 9123192 9554112 9805536 10084896 10350288 10748376 10925304 11345508 11524032 11644074 12164256 12290967 13684788 13800384 14331168 14567072 14708304 15127344 15525432 16387956 16842816 17018262 17466111 18246384 19611072 20169792 20700576 21496752 21850608 22691016 23288148 24328512 24581934 25527393 27369576 28662336 29134144 29416608 30254688 31050864 32775912 34036524 34932222 36492768 36872901 41401152 42993504 43701216 45382032 46576296 49163868 51054786 54739152 58833216 60509376 62101728 65551824 68073048 69864444 72985536 73745802 85987008 87402432 90764064 93152592 98327736 102109572 109478304 110618703 124203456 131103648 136146096 139728888 147491604 181528128 186305184 196655472 204219144 218956608 221237406 262207296 272292192 279457776 294983208 331856109 372610368 393310944 408438288 442474812 544584384 558915552 589966416 663712218 786621888 816876576 884949624 1117831104 1179932832 1327424436 1633753152 1769899248 2359865664 2654848872 3539798496 5309697744 7079596992 10619395488 21238790976
• Sum of all divisors σ(n): 72560951652
• Sum of proper divisors (its aliquot sum) s(n): 51322160676
• 21238790976 is an abundant number, because the sum of its proper divisors (51322160676) is greater than itself. Its abundance is 30083369700

Bases of 21238790976

• Binary: 10011110001111011100011101101000000₂
• Hexadecimal: 0x4F1EE3B40
• Base-36: 9R91000

Squares and roots of 21238790976

• 21238790976 squared (21238790976²) is 451086242122219032576
• 21238790976 cubed (21238790976³) is 9580526408583136678170598834176
• The square root of 21238790976 is 145735.3456646671
• The cube root of 21238790976 is 2769.3420296837

Scales and comparisons

• 21,238,790,976 seconds is equal to 675 years, 17 weeks, 8 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,238,790,976 would take you about one thousand, three hundred fifty 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 21238790976 cubic inches would be around 230.8 feet tall.

Recreational maths with 21238790976

• 21238790976 backwards is 67909783212
• 21238790976 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21238790976's digits is 54
• More coming soon!