21234364800

Names of 21234364800

• Cardinal: 21234364800 can be written as Twenty-one billion, two hundred thirty-four million, three hundred sixty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12343648 × 10¹⁰

Factors of 21234364800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1185

Divisors of 21234364800

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 64 66 75 80 88 96 100 110 120 128 132 150 160 165 176 192 200 211 220 240 264 275 300 320 330 352 384 400 422 440 480 528 550 600 633 640 660 704 800 825 844 880 953 960 1055 1056 1100 1200 1266 1320 1408 1600 1650 1688 1760 1906 1920 2110 2112 2200 2321 2400 2532 2640 2859 3165 3200 3300 3376 3520 3812 4220 4224 4400 4642 4765 4800 5064 5275 5280 5718 6330 6600 6752 6963 7040 7624 8440 8800 9284 9530 9600 10128 10483 10550 10560 11436 11605 12660 13200 13504 13926 14295 15248 15825 16880 17600 18568 19060 20256 20966 21100 21120 22872 23210 23825 25320 26400 27008 27852 28590 30496 31449 31650 33760 34815 35200 37136 38120 40512 41932 42200 45744 46420 47650 50640 52415 52800 55704 57180 58025 60992 62898 63300 67520 69630 71475 74272 76240 81024 83864 84400 91488 92840 95300 101280 104830 105600 111408 114360 116050 121984 125796 126600 135040 139260 142950 148544 152480 157245 167728 168800 174075 182976 185680 190600 201083 202560 209660 222816 228720 232100 251592 253200 262075 278520 285900 297088 304960 314490 335456 337600 348150 365952 371360 381200 402166 405120 419320 445632 457440 464200 503184 506400 524150 557040 571800 603249 609920 628980 670912 675200 696300 742720 762400 786225 804332 838640 891264 914880 928400 1005415 1006368 1012800 1048300 1114080 1143600 1206498 1257960 1341824 1392600 1485440 1524800 1572450 1608664 1677280 1829760 1856800 2010830 2012736 2025600 2096600 2211913 2228160 2287200 2412996 2515920 2785200 3016245 3049600 3144900 3217328 3354560 3713600 4021660 4025472 4193200 4423826 4456320 4574400 4825992 5027075 5031840 5570400 6032490 6289800 6434656 6635739 6709120 7427200 8043320 8386400 8847652 9148800 9651984 10054150 10063680 11059565 11140800 12064980 12579600 12869312 13271478 15081225 16086640 16772800 17695304 19303968 20108300 20127360 22119130 22281600 24129960 25159200 25738624 26542956 30162450 32173280 33178695 33545600 35390608 38607936 40216600 44238260 48259920 50318400 53085912 55297825 60324900 64346560 66357390 70781216 77215872 80433200 88476520 96519840 100636800 106171824 110595650 120649800 128693120 132714780 141562432 160866400 165893475 176953040 193039680 212343648 221191300 241299600 265429560 283124864 321732800 331786950 353906080 386079360 424687296 442382600 482599200 530859120 643465600 663573900 707812160 849374592 884765200 965198400 1061718240 1327147800 1415624320 1769530400 1930396800 2123436480 2654295600 3539060800 4246872960 5308591200 7078121600 10617182400 21234364800
• Sum of all divisors σ(n): 76740981120
• Sum of proper divisors (its aliquot sum) s(n): 55506616320
• 21234364800 is an abundant number, because the sum of its proper divisors (55506616320) is greater than itself. Its abundance is 34272251520

Bases of 21234364800

• Binary: 10011110001101010101011000110000000₂
• Hexadecimal: 0x4F1AAB180
• Base-36: 9R6E4QO

Squares and roots of 21234364800

• 21234364800 squared (21234364800²) is 450898248459479040000
• 21234364800 cubed (21234364800³) is 9574537895469615953313792000000
• The square root of 21234364800 is 145720.1592093559
• The cube root of 21234364800 is 2769.1496388385

Scales and comparisons

• 21,234,364,800 seconds is equal to 675 years, 9 weeks, 5 days, 2 hours, 40 minutes.
• To count from 1 to 21,234,364,800 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 21234364800 cubic inches would be around 230.8 feet tall.

Recreational maths with 21234364800

• 21234364800 backwards is 00846343212
• 21234364800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21234364800's digits is 33
• More coming soon!