21648011840

Names of 21648011840

• Cardinal: 21648011840 can be written as Twenty-one billion, six hundred forty-eight million, eleven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.164801184 × 10¹⁰

Factors of 21648011840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1829

Divisors of 21648011840

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 61 64 65 70 80 91 98 104 112 122 130 140 160 182 196 208 224 244 245 260 280 305 320 364 392 416 427 448 455 488 490 520 560 610 637 728 784 793 832 854 910 976 980 1040 1120 1220 1274 1456 1568 1586 1708 1741 1820 1952 1960 2080 2135 2240 2440 2548 2912 2989 3136 3172 3185 3416 3482 3640 3904 3920 3965 4160 4270 4880 5096 5551 5824 5978 6344 6370 6832 6964 7280 7840 7930 8540 8705 9760 10192 11102 11956 12187 12688 12740 13664 13928 14560 14945 15680 15860 17080 17410 19520 20384 22204 22633 23912 24374 25376 25480 27328 27755 27856 29120 29890 31720 34160 34820 38857 40768 44408 45266 47824 48748 50752 50960 55510 55712 59780 60935 63440 68320 69640 77714 85309 88816 90532 95648 97496 101920 106201 111020 111424 113165 119560 121870 126880 136640 139280 155428 158431 170618 177632 181064 191296 194285 194992 203840 212402 222040 226330 239120 243740 253760 278560 310856 316862 341236 355264 362128 388570 389984 424804 426545 444080 452660 478240 487480 531005 557120 621712 633724 682472 724256 743407 777140 779968 792155 849608 853090 888160 905320 956480 974960 1062010 1109017 1243424 1267448 1364944 1380613 1448512 1486814 1554280 1584310 1699216 1706180 1776320 1810640 1949920 2124020 2218034 2486848 2534896 2729888 2761226 2973628 3108560 3168620 3398432 3412360 3621280 3717035 3899840 4248040 4436068 5069792 5203849 5459776 5522452 5545085 5947256 6217120 6337240 6796864 6824720 6903065 7242560 7434070 8496080 8872136 9664291 10139584 10407698 11044904 11090170 11894512 12434240 12674480 13649440 13806130 14868140 16992160 17744272 19328582 20815396 22089808 22180340 23789024 25348960 26019245 27298880 27612260 29736280 33984320 35488544 38657164 41630792 44179616 44360680 47578048 48321455 50697920 52038490 55224520 59472560 67650037 70977088 77314328 83261584 88359232 88721360 96642910 104076980 110449040 118945120 135300074 154628656 166523168 177442720 193285820 208153960 220898080 237890240 270600148 309257312 333046336 338250185 354885440 386571640 416307920 441796160 541200296 618514624 676500370 773143280 832615840 1082400592 1353000740 1546286560 1665231680 2164801184 2706001480 3092573120 4329602368 5412002960 10824005920 21648011840
• Sum of all divisors σ(n): 65674640304
• Sum of proper divisors (its aliquot sum) s(n): 44026628464
• 21648011840 is an abundant number, because the sum of its proper divisors (44026628464) is greater than itself. Its abundance is 22378616624

Bases of 21648011840

• Binary: 10100001010010100100111001001000000₂
• Hexadecimal: 0x50A527240
• Base-36: 9Y0O0U8

Squares and roots of 21648011840

• 21648011840 squared (21648011840²) is 468636416624780185600
• 21648011840 cubed (21648011840³) is 10145046695748414295266197504000
• The square root of 21648011840 is 147132.6334978071
• The cube root of 21648011840 is 2787.0152104299

Scales and comparisons

• 21,648,011,840 seconds is equal to 688 years, 17 weeks, 4 days, 16 hours, 37 minutes, 20 seconds.
• To count from 1 to 21,648,011,840 would take you about one thousand, three hundred seventy-six 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 21648011840 cubic inches would be around 232.3 feet tall.

Recreational maths with 21648011840

• 21648011840 backwards is 04811084612
• 21648011840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21648011840's digits is 35
• More coming soon!