21402320940

Names of 21402320940

• Cardinal: 21402320940 can be written as Twenty-one billion, four hundred two million, three hundred twenty thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.140232094 × 10¹⁰

Factors of 21402320940

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 351

Divisors of 21402320940

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 13 14 15 18 20 21 22 26 28 30 33 35 36 39 42 44 45 49 52 55 60 63 65 66 70 71 77 78 84 90 91 98 99 105 110 117 126 130 132 140 142 143 147 154 156 165 180 182 195 196 198 210 213 220 231 234 239 245 252 260 273 284 286 294 308 315 330 355 364 385 390 396 420 426 429 441 455 462 468 478 490 495 497 539 546 572 585 588 630 637 639 660 693 710 715 717 735 770 780 781 819 852 858 882 910 923 924 956 980 990 994 1001 1065 1078 1092 1155 1170 1195 1260 1274 1278 1287 1365 1386 1420 1430 1434 1470 1491 1540 1562 1617 1638 1673 1716 1764 1820 1846 1911 1980 1988 2002 2130 2145 2151 2156 2205 2310 2340 2343 2390 2485 2548 2556 2574 2629 2695 2730 2769 2772 2860 2868 2940 2982 3003 3107 3124 3185 3195 3234 3276 3346 3465 3479 3585 3692 3822 3905 4004 4095 4260 4290 4302 4410 4473 4615 4620 4686 4780 4851 4970 5005 5019 5148 5258 5390 5460 5467 5538 5733 5964 6006 6214 6370 6390 6435 6461 6468 6692 6930 6958 7007 7029 7170 7455 7644 7810 7887 8085 8190 8307 8365 8580 8604 8820 8946 9009 9230 9321 9372 9555 9702 9940 10010 10038 10153 10437 10516 10755 10780 10934 11076 11466 11711 11715 12012 12428 12740 12780 12870 12922 13145 13845 13860 13916 14014 14058 14340 14910 15015 15057 15535 15620 15774 16170 16380 16401 16614 16730 16969 17395 17892 18018 18403 18460 18642 19110 19383 19404 20020 20076 20306 20874 21021 21510 21749 21868 22365 22932 23422 23430 23661 24255 25095 25740 25844 26290 27335 27690 27963 28028 28116 28665 29820 30030 30114 30459 31070 31311 31548 32305 32340 32802 33228 33460 33938 34177 34790 35035 35133 35145 36036 36806 37284 38220 38269 38766 39435 40612 41535 41748 42042 43020 43498 44730 45045 45227 46605 46844 46860 47322 48510 49203 50190 50765 50907 52185 52580 54670 55209 55380 55926 57330 58149 58555 60060 60228 60918 62140 62622 63063 64610 65247 65604 67876 68354 69580 70070 70266 70290 71071 73612 75285 76538 77532 78870 82005 83070 84084 84845 86996 89460 90090 90454 91377 92015 93210 94644 96915 97020 98406 100380 101530 101814 102531 104370 105105 105399 108745 109340 110418 111852 114660 114807 116298 117110 118305 118783 121836 125244 126126 128821 129220 130494 135681 136708 139815 140140 140532 140580 142142 150570 152243 152295 152721 153076 156555 157740 164010 165627 166140 169690 170885 175665 180180 180908 182754 184030 186420 186659 191345 193830 195741 196812 203060 203628 205062 208740 210210 210798 213213 217490 220597 220836 226135 229614 232596 234220 236610 237566 239239 246015 252252 254535 257642 260988 271362 276045 279630 284284 290745 301140 304486 304590 305442 307593 313110 315315 326235 328020 331254 339380 341770 344421 351330 355355 356349 365508 368060 373318 382690 386463 387660 391482 407043 410124 420420 421596 426426 434980 441194 452270 456729 456885 459228 473220 475132 478478 492030 497497 509070 512655 515284 526995 542724 552090 559260 559977 574035 581490 593915 608972 609180 610884 615186 626220 630630 639639 644105 652470 661791 662508 678405 683540 688842 702660 710710 712698 717717 746636 761215 763605 765380 772926 782964 814086 828135 831481 852852 882388 904540 913458 913770 933295 956956 978705 984060 994994 1018140 1025310 1053990 1066065 1069047 1102985 1104180 1119954 1148070 1159389 1162980 1187830 1196195 1230372 1261260 1279278 1288210 1304940 1306613 1323582 1356810 1370187 1377684 1421420 1425396 1435434 1492491 1522430 1527210 1537965 1544179 1545852 1628172 1656270 1662962 1674673 1679931 1722105 1781745 1826916 1827540 1866590 1932315 1957410 1985373 1989988 2035215 2050620 2107980 2132130 2138094 2153151 2205970 2239908 2283645 2296140 2318778 2375660 2392390 2426567 2487485 2494443 2558556 2576420 2613226 2647164 2713620 2740374 2799885 2870868 2984982 3044860 3054420 3075930 3088358 3198195 3308955 3312540 3325924 3349346 3359862 3444210 3563490 3588585 3733180 3864630 3914820 3919839 3970746 4070430 4157405 4264260 4276188 4306302 4411940 4477473 4567290 4632537 4637556 4784780 4853134 4974970 4988886 5024019 5226452 5345235 5480748 5599770 5796945 5969964 6151860 6176716 6396390 6533065 6617910 6698692 6719724 6850935 6888420 7126980 7177170 7279701 7462455 7483329 7720895 7729260 7839678 7941492 8140860 8314810 8373365 8399655 8612604 8954946 9134580 9146291 9265074 9706268 9926865 9949940 9977772 10048038 10690470 10765755 10809253 11199540 11593890 11759517 12132835 12472215 12792780 13066130 13235820 13701870 13897611 14354340 14559402 14924910 14966658 15072057 15441790 15679356 16629620 16746730 16799310 16985969 17909892 18292582 18530148 19599195 19853730 20096076 21380940 21531510 21618506 21839103 22387365 23162685 23187780 23519034 24265670 24944430 25120095 26132260 27403740 27438873 27795222 29118804 29849820 29933316 30144114 30883580 32427759 33493460 33598620 33971938 36398505 36585164 37416645 39198390 39707460 43063020 43237012 43678206 44774730 45731455 46325370 47038068 48531340 49888860 50240190 50957907 54046265 54877746 55590444 58797585 60288228 64855518 67943876 69488055 72797010 74833290 75360285 78396780 82316619 84929845 87356412 89549460 91462910 92650740 97283277 100480380 101915814 108092530 109195515 109755492 117595170 118901783 129711036 137194365 138976110 145594020 149666580 150720570 152873721 162138795 164633238 169859690 182925820 194566554 203831628 216185060 218391030 235190340 237803566 254789535 274388730 277952220 301441140 305747442 324277590 329266476 339719380 356705349 389133108 411583095 436782060 475607132 486416385 509579070 548777460 594508915 611494884 648555180 713410698 764368605 823166190 972832770 1019158140 1070116047 1189017830 1426821396 1528737210 1646332380 1783526745 1945665540 2140232094 2378035660 3057474420 3567053490 4280464188 5350580235 7134106980 10701160470 21402320940
• Sum of all divisors σ(n): 90348410880
• Sum of proper divisors (its aliquot sum) s(n): 68946089940
• 21402320940 is an abundant number, because the sum of its proper divisors (68946089940) is greater than itself. Its abundance is 47543769000

Bases of 21402320940

• Binary: 10011111011101011011000000000101100₂
• Hexadecimal: 0x4FBAD802C
• Base-36: 9TYE0J0

Squares and roots of 21402320940

• 21402320940 squared (21402320940²) is 458059341618762483600
• 21402320940 cubed (21402320940³) is 9803533038889853799638686584000
• The square root of 21402320940 is 146295.3209778085
• The cube root of 21402320940 is 2776.4314640435

Scales and comparisons

• 21,402,320,940 seconds is equal to 680 years, 27 weeks, 3 days, 1 hour, 9 minutes.
• To count from 1 to 21,402,320,940 would take you about one thousand, three hundred sixty-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 21402320940 cubic inches would be around 231.4 feet tall.

Recreational maths with 21402320940

• 21402320940 backwards is 04902320412
• The number of decimal digits it has is: 11
• The sum of 21402320940's digits is 27
• More coming soon!