21295616400

Names of 21295616400

• Cardinal: 21295616400 can be written as Twenty-one billion, two hundred ninety-five million, six hundred sixteen thousand, four hundred.

Scientific notation

• Scientific notation: 2.12956164 × 10¹⁰

Factors of 21295616400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 225

Divisors of 21295616400

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 29 30 36 37 40 45 48 50 58 60 72 74 75 80 87 90 100 111 116 120 144 145 148 149 150 174 180 185 200 222 225 232 240 261 290 296 298 300 333 348 360 370 400 435 444 447 450 464 522 555 580 592 596 600 666 696 720 725 740 745 870 888 894 900 925 1044 1073 1110 1160 1192 1200 1305 1332 1341 1369 1392 1450 1480 1490 1665 1740 1776 1788 1800 1850 2088 2146 2175 2220 2235 2320 2384 2610 2664 2682 2738 2775 2900 2960 2980 3219 3330 3480 3576 3600 3700 3725 4107 4176 4292 4321 4350 4440 4470 5220 5328 5364 5365 5476 5513 5550 5800 5960 6438 6525 6660 6705 6845 6960 7152 7400 7450 8214 8325 8584 8642 8700 8880 8940 9657 10440 10728 10730 10952 11026 11100 11175 11600 11920 12321 12876 12963 13050 13320 13410 13690 14800 14900 16095 16428 16539 16650 17168 17284 17400 17880 19314 20535 20880 21456 21460 21605 21904 22052 22200 22350 24642 25752 25926 26100 26640 26820 26825 27380 27565 29800 32190 32856 33078 33300 33525 34225 34568 34800 35760 38628 38889 39701 41070 42920 43210 44104 44400 44700 48285 49284 49617 51504 51852 52200 53640 53650 54760 55130 59600 61605 64380 64815 65712 66156 66600 67050 68450 69136 77256 77778 79402 80475 82140 82695 85840 86420 88208 89400 96570 98568 99234 102675 103704 104400 107280 107300 108025 109520 110260 119103 123210 128760 129630 132312 133200 134100 136900 137825 154512 155556 158804 159877 160950 164280 165390 172840 178800 193140 194445 197136 198468 198505 203981 205350 207408 214600 216050 220520 238206 241425 246420 248085 257520 259260 264624 268200 273800 275650 308025 311112 317608 319754 321900 324075 328560 330780 345680 357309 386280 388890 396936 397010 407962 410700 413475 429200 432100 441040 476412 479631 482850 492840 496170 518520 536400 547600 551300 595515 611943 616050 622224 635216 639508 643800 648150 661560 714618 772560 777780 793872 794020 799385 815924 821400 826950 864200 952824 959262 965700 972225 985680 992340 992525 1019905 1037040 1102600 1191030 1223886 1232100 1240425 1279016 1287600 1296300 1323120 1429236 1438893 1555560 1588040 1598770 1631848 1642800 1653900 1728400 1786545 1835829 1905648 1918524 1931400 1944450 1984680 1985050 2039810 2205200 2382060 2398155 2447772 2464200 2480850 2558032 2592600 2858472 2877786 2977575 3059715 3111120 3176080 3197540 3263696 3307800 3573090 3671658 3837048 3862800 3888900 3969360 3970100 3996925 4079620 4764120 4796310 4895544 4928400 4961700 5099525 5185200 5716944 5755572 5915449 5955150 6119430 6395080 6615600 7146180 7194465 7343316 7674096 7777800 7940200 7993850 8159240 8932725 9179145 9528240 9592620 9791088 9923400 10199050 11511144 11830898 11910300 11990775 12238860 12790160 14292360 14388930 14686632 15298575 15555600 15880400 15987700 16318480 17746347 17865450 18358290 19185240 19846800 20398100 23022288 23661796 23820600 23981550 24477720 28584720 28777860 29373264 29577245 30597150 31975400 35492694 35730900 35972325 36716580 38370480 40796200 45895725 47323592 47641200 47963100 48955440 53239041 57555720 59154490 61194300 63950800 70985388 71461800 71944650 73433160 81592400 88731735 91791450 94647184 95926200 106478082 115111440 118308980 122388600 141970776 142923600 143889300 146866320 147886225 177463470 183582900 191852400 212956164 236617960 244777200 266195205 283941552 287778600 295772450 354926940 367165800 425912328 443658675 473235920 532390410 575557200 591544900 709853880 734331600 851824656 887317350 1064780820 1183089800 1330976025 1419707760 1774634700 2129561640 2366179600 2661952050 3549269400 4259123280 5323904100 7098538800 10647808200 21295616400
• Sum of all divisors σ(n): 79099429500
• Sum of proper divisors (its aliquot sum) s(n): 57803813100
• 21295616400 is an abundant number, because the sum of its proper divisors (57803813100) is greater than itself. Its abundance is 36508196700

Bases of 21295616400

• Binary: 10011110101010100010101000110010000₂
• Hexadecimal: 0x4F5515190
• Base-36: 9S6UYS0

Squares and roots of 21295616400

• 21295616400 squared (21295616400²) is 453503277855948960000
• 21295616400 cubed (21295616400³) is 9657631841362903510138944000000
• The square root of 21295616400 is 145930.1764543577
• The cube root of 21295616400 is 2771.8096669101

Scales and comparisons

• 21,295,616,400 seconds is equal to 677 years, 7 weeks, 1 hour.
• To count from 1 to 21,295,616,400 would take you about one thousand, three hundred fifty-four 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 21295616400 cubic inches would be around 231 feet tall.

Recreational maths with 21295616400

• 21295616400 backwards is 00461659212
• 21295616400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21295616400's digits is 36
• More coming soon!