21248365824

Names of 21248365824

• Cardinal: 21248365824 can be written as Twenty-one billion, two hundred forty-eight million, three hundred sixty-five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1248365824 × 10¹⁰

Factors of 21248365824

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 217

Divisors of 21248365824

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 32 34 36 42 48 51 54 56 63 64 68 72 79 81 84 96 102 108 109 112 119 126 128 136 144 153 158 162 168 189 192 204 216 218 224 237 238 252 256 272 288 306 316 324 327 336 357 378 384 408 432 436 448 459 474 476 504 544 553 567 576 612 632 648 654 672 711 714 756 763 768 816 864 872 896 918 948 952 981 1008 1071 1088 1106 1134 1152 1224 1264 1296 1308 1343 1344 1377 1422 1428 1512 1526 1632 1659 1728 1744 1792 1836 1853 1896 1904 1962 2016 2133 2142 2176 2212 2268 2289 2304 2448 2528 2592 2616 2686 2688 2754 2844 2856 2943 3024 3052 3213 3264 3318 3456 3488 3672 3706 3792 3808 3924 4029 4032 4266 4284 4352 4424 4536 4578 4896 4977 5056 5184 5232 5372 5376 5508 5559 5688 5712 5886 6048 6104 6399 6426 6528 6636 6867 6912 6976 7344 7412 7584 7616 7848 8058 8064 8532 8568 8611 8829 8848 9072 9156 9401 9639 9792 9954 10112 10368 10464 10744 11016 11118 11376 11424 11772 12087 12096 12208 12798 12852 12971 13056 13272 13734 13952 14688 14824 14931 15168 15232 15696 16116 16128 16677 17064 17136 17222 17658 17696 18144 18312 18802 19278 19584 19908 20224 20601 20736 20928 21488 22032 22236 22752 22848 23544 24174 24192 24416 25596 25704 25833 25942 26544 27468 27904 28203 29376 29648 29862 30336 30464 31392 32232 33354 34128 34272 34444 35316 35392 36261 36288 36624 37604 38556 38913 39168 39816 41202 41856 42976 44064 44472 44793 45504 45696 47088 48348 48384 48832 50031 51192 51408 51666 51884 53088 54936 56406 58752 59296 59724 60277 60672 61803 62784 64464 66708 68256 68544 68888 70632 70784 72522 72576 73248 75208 77112 77499 77826 79632 82404 83712 84609 85952 88128 88944 89586 91008 91392 94176 96696 97664 100062 102384 102816 103332 103768 106176 108783 109872 112812 116739 117504 118592 119448 120554 123606 125568 128928 133416 136512 137088 137776 141264 141568 145044 145152 146387 146496 150093 150416 154224 154998 155652 159264 164808 169218 171904 176256 177888 179172 180831 182016 188352 193392 195328 200124 204768 205632 206664 207536 212352 217566 219744 225624 232497 233478 237184 238896 241108 247212 251136 253827 257856 266832 273024 274176 275552 282528 290088 292774 292992 300186 300832 308448 309996 311304 318528 329616 338436 343808 350217 352512 355776 358344 361662 376704 386784 400248 409536 411264 413328 415072 424704 435132 439161 439488 451248 464994 466956 474368 477792 482216 494424 507654 515712 533664 542493 546048 551104 565056 580176 585548 585984 600372 601664 616896 619992 622608 637056 659232 676872 697491 700434 711552 716688 723324 753408 761481 773568 800496 819072 822528 826656 830144 870264 878322 878976 902496 929988 933912 955584 964432 988848 1015308 1024709 1031424 1050651 1067328 1084986 1102208 1130112 1160352 1171096 1200744 1203328 1233792 1239984 1245216 1274112 1317483 1318464 1353744 1394982 1400868 1423104 1433376 1446648 1522962 1547136 1600992 1627479 1638144 1653312 1660288 1740528 1756644 1757952 1804992 1859976 1867824 1911168 1928864 1977696 2030616 2049418 2101302 2134656 2169972 2204416 2260224 2320704 2342192 2401488 2406656 2467584 2479968 2490432 2634966 2636928 2707488 2789964 2801736 2866752 2893296 3045924 3074127 3094272 3201984 3254958 3306624 3320576 3481056 3513288 3609984 3719952 3735648 3822336 3857728 3952449 3955392 4061232 4098836 4202604 4269312 4339944 4641408 4684384 4802976 4882437 4959936 4980864 5269932 5273856 5414976 5579928 5603472 5733504 5786592 6091848 6148254 6403968 6509916 6613248 6962112 7026576 7219968 7439904 7471296 7715456 7904898 7910784 8122464 8197672 8405208 8679888 9222381 9282816 9368768 9605952 9764874 9919872 9961728 10539864 10829952 11159856 11206944 11467008 11573184 11857347 12183696 12296508 12807936 13019832 13924224 14053152 14879808 14942592 15430912 15809796 15821568 16244928 16395344 16810416 17359776 18444762 18737536 19211904 19529748 19839744 21079728 21659904 22319712 22413888 23146368 23714694 24367392 24593016 26039664 27667143 27848448 28106304 29759616 29885184 31619592 32489856 32790688 33620832 34719552 36889524 37475072 38423808 39059496 42159456 44639424 44827776 46292736 47429388 48734784 49186032 52079328 55334286 56212608 59519232 63239184 64979712 65581376 67241664 69439104 73779048 78118992 83001429 84318912 89278848 89655552 94858776 97469568 98372064 104158656 110668572 112425216 126478368 131162752 134483328 138878208 147558096 156237984 166002858 168637824 178557696 189717552 194939136 196744128 208317312 221337144 252956736 262325504 268966656 295116192 312475968 332005716 337275648 379435104 393488256 416634624 442674288 505913472 590232384 624951936 664011432 758870208 786976512 885348576 1011826944 1180464768 1249903872 1328022864 1517740416 1770697152 2360929536 2656045728 3035480832 3541394304 5312091456 7082788608 10624182912 21248365824
• Sum of all divisors σ(n): 78352243200
• Sum of proper divisors (its aliquot sum) s(n): 57103877376
• 21248365824 is an abundant number, because the sum of its proper divisors (57103877376) is greater than itself. Its abundance is 35855511552

Bases of 21248365824

• Binary: 10011110010100000000101010100000000₂
• Hexadecimal: 0x4F2805500
• Base-36: 9REQ800

Squares and roots of 21248365824

• 21248365824 squared (21248365824²) is 451493050190531198976
• 21248365824 cubed (21248365824³) is 9593489497441999816727382196224
• The square root of 21248365824 is 145768.1920859279
• The cube root of 21248365824 is 2769.7581243879

Scales and comparisons

• 21,248,365,824 seconds is equal to 675 years, 32 weeks, 6 days, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,248,365,824 would take you about one thousand, three hundred fifty-one 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 21248365824 cubic inches would be around 230.8 feet tall.

Recreational maths with 21248365824

• 21248365824 backwards is 42856384212
• The number of decimal digits it has is: 11
• The sum of 21248365824's digits is 45
• More coming soon!