21123115200

Names of 21123115200

• Cardinal: 21123115200 can be written as Twenty-one billion, one hundred twenty-three million, one hundred fifteen thousand, two hundred.

Scientific notation

• Scientific notation: 2.11231152 × 10¹⁰

Factors of 21123115200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 470

Divisors of 21123115200

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 32 33 36 40 44 45 48 50 54 55 60 64 66 72 75 80 81 88 90 96 99 100 108 110 120 121 132 135 144 150 160 162 165 176 180 192 198 200 216 220 225 240 242 243 264 270 275 288 297 300 320 324 330 352 360 363 396 400 405 432 440 449 450 480 484 486 495 528 540 550 576 594 600 605 648 660 675 704 720 726 792 800 810 825 864 880 891 898 900 960 968 972 990 1056 1080 1089 1100 1188 1200 1210 1215 1296 1320 1347 1350 1440 1452 1485 1584 1600 1620 1650 1728 1760 1782 1796 1800 1815 1936 1944 1980 2025 2112 2160 2178 2200 2245 2376 2400 2420 2430 2475 2592 2640 2673 2694 2700 2880 2904 2970 3025 3168 3240 3267 3300 3520 3564 3592 3600 3630 3872 3888 3960 4041 4050 4320 4356 4400 4455 4490 4752 4800 4840 4860 4939 4950 5184 5280 5346 5388 5400 5445 5808 5940 6050 6075 6336 6480 6534 6600 6735 7128 7184 7200 7260 7425 7744 7776 7920 8082 8100 8640 8712 8800 8910 8980 9075 9504 9680 9720 9801 9878 9900 10560 10692 10776 10800 10890 11225 11616 11880 12100 12123 12150 12960 13068 13200 13365 13470 14256 14368 14400 14520 14817 14850 15552 15840 16164 16200 16335 17424 17600 17820 17960 18150 19008 19360 19440 19602 19756 19800 20205 21384 21552 21600 21780 22275 22450 23232 23760 24200 24246 24300 24695 25920 26136 26400 26730 26940 27225 28512 28736 29040 29403 29634 29700 31680 32328 32400 32670 33675 34848 35640 35920 36300 36369 38720 38880 39204 39512 39600 40410 42768 43104 43200 43560 44451 44550 44900 47520 48400 48492 48600 49005 49390 52272 52800 53460 53880 54329 54450 57024 58080 58806 59268 59400 60615 64656 64800 65340 66825 67350 69696 71280 71840 72600 72738 74085 77760 78408 79024 79200 80820 81675 85536 86208 87120 88902 89100 89800 95040 96800 96984 97200 98010 98780 101025 104544 106920 107760 108658 108900 109107 116160 117612 118536 118800 121230 123475 129312 129600 130680 133353 133650 134700 142560 143680 145200 145476 147015 148170 156816 158048 158400 161640 162987 163350 171072 174240 177804 178200 179600 181845 193600 193968 194400 196020 197560 202050 209088 213840 215520 217316 217800 218214 222255 235224 237072 237600 242460 245025 246950 258624 261360 266706 267300 269400 271645 285120 290400 290952 294030 296340 303075 313632 316096 323280 325974 326700 348480 355608 356400 359200 363690 370425 387936 388800 392040 395120 400059 404100 427680 431040 434632 435600 436428 444510 470448 474144 475200 484920 488961 490050 493900 522720 533412 534600 538800 543290 545535 580800 581904 588060 592680 606150 627264 646560 651948 653400 666765 711216 712800 718400 727380 735075 740850 775872 784080 790240 800118 808200 814935 855360 869264 871200 872856 889020 909225 940896 948288 969840 977922 980100 987800 1045440 1066824 1069200 1077600 1086580 1091070 1111275 1163808 1176120 1185360 1200177 1212300 1293120 1303896 1306800 1333530 1358225 1422432 1425600 1454760 1466883 1470150 1481700 1568160 1580480 1600236 1616400 1629870 1738528 1742400 1745712 1778040 1818450 1881792 1939680 1955844 1960200 1975600 2000295 2133648 2138400 2155200 2173160 2182140 2222550 2327616 2352240 2370720 2400354 2424600 2444805 2607792 2613600 2667060 2716450 2727675 2844864 2909520 2933766 2940300 2963400 3136320 3200472 3232800 3259740 3333825 3477056 3491424 3556080 3636900 3879360 3911688 3920400 3951200 4000590 4074675 4267296 4276800 4346320 4364280 4400649 4445100 4704480 4741440 4800708 4849200 4889610 5215584 5227200 5334120 5432900 5455350 5819040 5867532 5880600 5926800 6000885 6400944 6465600 6519480 6667650 6982848 7112160 7273800 7334415 7823376 7840800 7902400 8001180 8149350 8534592 8692640 8728560 8801298 8890200 9408960 9601416 9698400 9779220 10001475 10431168 10668240 10865800 10910700 11638080 11735064 11761200 11853600 12001770 12224025 12801888 13038960 13201947 13335300 14224320 14547600 14668830 15646752 15681600 16002360 16298700 17385280 17457120 17602596 17780400 19202832 19396800 19558440 20002950 21336480 21731600 21821400 22003245 23470128 23522400 23707200 24003540 24448050 25603776 26077920 26403894 26670600 29095200 29337660 30004425 31293504 32004720 32597400 34914240 35205192 35560800 36672075 38405664 39116880 40005900 42672960 43463200 43642800 44006490 46940256 47044800 48007080 48896100 52155840 52807788 53341200 58190400 58675320 60008850 64009440 65194800 66009735 70410384 71121600 73344150 76811328 78233760 80011800 86926400 87285600 88012980 93880512 96014160 97792200 105615576 106682400 110016225 117350640 120017700 128018880 130389600 132019470 140820768 146688300 156467520 160023600 174571200 176025960 192028320 195584400 211231152 213364800 220032450 234701280 240035400 260779200 264038940 281641536 293376600 320047200 330048675 352051920 384056640 391168800 422462304 440064900 469402560 480070800 528077880 586753200 640094400 660097350 704103840 782337600 844924608 880129800 960141600 1056155760 1173506400 1320194700 1408207680 1760259600 1920283200 2112311520 2347012800 2640389400 3520519200 4224623040 5280778800 7041038400 10561557600 21123115200
• Sum of all divisors σ(n): 85769119800
• Sum of proper divisors (its aliquot sum) s(n): 64646004600
• 21123115200 is an abundant number, because the sum of its proper divisors (64646004600) is greater than itself. Its abundance is 43522889400

Bases of 21123115200

• Binary: 10011101011000010010010100011000000₂
• Hexadecimal: 0x4EB0928C0
• Base-36: 9PC5O00

Squares and roots of 21123115200

• 21123115200 squared (21123115200²) is 446185995752471040000
• 21123115200 cubed (21123115200³) is 9424838188906156462583808000000
• The square root of 21123115200 is 145337.9344837403
• The cube root of 21123115200 is 2764.3051903133

Scales and comparisons

• 21,123,115,200 seconds is equal to 671 years, 33 weeks, 5 days, 12 hours.
• To count from 1 to 21,123,115,200 would take you about one thousand, three hundred forty-three 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 21123115200 cubic inches would be around 230.4 feet tall.

Recreational maths with 21123115200

• 21123115200 backwards is 00251132112
• 21123115200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21123115200's digits is 18
• More coming soon!