1221380160

Names of 1221380160

• Cardinal: 1221380160 can be written as One billion, two hundred twenty-one million, three hundred eighty thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.22138016 × 10⁹

Factors of 1221380160

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 113

Divisors of 1221380160

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 20 21 22 24 26 28 30 31 32 33 35 39 40 41 42 44 48 52 55 56 60 62 64 65 66 70 77 78 80 82 84 88 91 93 96 104 105 110 112 120 123 124 130 132 140 143 154 155 156 160 164 165 168 176 182 186 192 195 205 208 210 217 220 224 231 240 246 248 260 264 273 280 286 287 308 310 312 320 328 330 336 341 352 364 372 385 390 403 410 416 420 429 434 440 448 451 455 462 465 480 492 496 520 528 533 546 560 572 574 615 616 620 624 651 656 660 672 682 704 715 728 744 770 780 806 820 832 840 858 861 868 880 902 910 924 930 960 984 992 1001 1023 1040 1056 1066 1085 1092 1120 1144 1148 1155 1209 1230 1232 1240 1248 1271 1302 1312 1320 1344 1353 1364 1365 1430 1435 1456 1488 1540 1560 1599 1612 1640 1680 1705 1716 1722 1736 1760 1804 1820 1848 1860 1968 1984 2002 2015 2046 2080 2112 2132 2145 2170 2184 2240 2255 2288 2296 2310 2387 2418 2460 2464 2480 2496 2542 2604 2624 2640 2665 2706 2728 2730 2821 2860 2870 2912 2976 3003 3080 3120 3157 3198 3224 3255 3280 3360 3410 3432 3444 3472 3520 3608 3640 3696 3720 3731 3813 3936 4004 4030 4092 4160 4264 4290 4305 4340 4368 4433 4510 4576 4592 4620 4774 4836 4920 4928 4960 5005 5084 5115 5208 5280 5330 5412 5456 5460 5642 5720 5740 5824 5863 5952 6006 6045 6160 6240 6314 6355 6396 6448 6510 6560 6720 6765 6820 6864 6888 6944 7161 7216 7280 7392 7440 7462 7626 7872 7995 8008 8060 8184 8463 8528 8580 8610 8680 8736 8866 8897 9020 9152 9184 9240 9471 9548 9672 9840 9920 10010 10168 10230 10416 10560 10660 10824 10912 10920 11193 11284 11440 11480 11726 11935 12012 12090 12320 12480 12628 12710 12792 12896 13020 13120 13299 13530 13640 13728 13776 13888 13981 14105 14322 14432 14560 14784 14880 14924 15015 15252 15785 15990 16016 16120 16368 16523 16926 17056 17160 17220 17360 17472 17589 17732 17794 18040 18368 18480 18655 18942 19065 19096 19344 19680 20020 20336 20460 20832 21320 21648 21824 21840 22165 22386 22568 22880 22960 23452 23870 24024 24180 24640 25256 25420 25584 25792 26040 26598 26691 27060 27280 27456 27552 27962 28210 28644 28864 29120 29315 29760 29848 30030 30504 31031 31570 31980 32032 32240 32736 33046 33852 34112 34320 34440 34720 35178 35464 35588 35805 36080 36960 37310 37884 38130 38192 38688 39360 40040 40672 40920 41041 41664 41943 42315 42640 43296 43680 44330 44485 44772 45136 45760 45920 46904 47355 47740 48048 48360 49569 50512 50840 51168 52080 53196 53382 54120 54560 55104 55924 55965 56420 57288 58630 59696 60060 61008 62062 63140 63960 64064 64480 65472 66092 66495 67704 68640 68880 69440 69905 70356 70928 71176 71610 72160 73920 74620 75768 76260 76384 77376 80080 81344 81840 82082 82615 83886 84630 85280 86592 87360 87945 88660 88970 89544 90272 91840 93093 93808 94710 95480 96096 96720 97867 99138 101024 101680 102336 104160 106392 106764 108240 109120 111848 111930 112840 114576 115661 117260 119392 120120 122016 123123 124124 126280 127920 128960 132184 132990 133455 135408 137280 137760 139810 140712 141856 142352 143220 144320 149240 151536 152520 152768 155155 160160 163680 164164 165230 167772 169260 170560 175890 177320 177940 179088 180544 181753 186186 187616 189420 190960 192192 193440 195734 198276 202048 203360 205205 208320 209715 212784 213528 216480 223696 223860 225680 229152 231322 234520 238784 240240 244032 246246 247845 248248 252560 255840 264368 265980 266910 270816 275520 279620 281424 283712 284704 286440 293601 298480 303072 305040 310310 320320 327360 328328 330460 335544 338520 346983 351780 354640 355880 358176 363506 372372 375232 378840 381920 386880 391468 396552 406720 410410 419430 425568 427056 432960 447392 447720 451360 458304 462644 465465 469040 480480 489335 492492 495690 496496 505120 511680 528736 531960 533820 541632 545259 559240 562848 569408 572880 578305 587202 596960 606144 610080 615615 620620 656656 660920 671088 677040 693966 703560 709280 711760 716352 727012 744744 757680 763840 782936 793104 820820 838860 851136 854112 894784 895440 902720 908765 925288 930930 938080 960960 978670 984984 991380 992992 1010240 1057472 1063920 1067640 1090518 1118480 1125696 1145760 1156610 1174404 1193920 1220160 1231230 1241240 1272271 1313312 1321840 1342176 1354080 1387932 1407120 1418560 1423520 1454024 1468005 1489488 1515360 1565872 1586208 1641640 1677720 1708224 1734915 1790880 1817530 1850576 1861860 1876160 1957340 1969968 1982760 1985984 2127840 2135280 2181036 2236960 2291520 2313220 2348808 2462460 2482480 2544542 2626624 2643680 2684352 2708160 2726295 2775864 2814240 2847040 2908048 2936010 2978976 3030720 3131744 3172416 3283280 3355440 3469830 3581760 3635060 3701152 3723720 3816813 3914680 3939936 3965520 4255680 4270560 4362072 4473920 4626440 4697616 4924920 4964960 5089084 5287360 5452590 5551728 5628480 5816096 5872020 5957952 6263488 6361355 6566560 6710880 6939660 7270120 7402304 7447440 7633626 7829360 7879872 7931040 8541120 8724144 9252880 9395232 9849840 9929920 10178168 10905180 11103456 11632192 11744040 12722710 13133120 13421760 13879320 14540240 14894880 15267252 15658720 15862080 17448288 18505760 18790464 19084065 19699680 20356336 21810360 22206912 23488080 25445420 27758640 29080480 29789760 30534504 31317440 34896576 37011520 38168130 39399360 40712672 43620720 46976160 50890840 55517280 58160960 61069008 76336260 81425344 87241440 93952320 101781680 111034560 122138016 152672520 174482880 203563360 244276032 305345040 407126720 610690080 1221380160
• Sum of all divisors σ(n): 5505712128
• Sum of proper divisors (its aliquot sum) s(n): 4284331968
• 1221380160 is an abundant number, because the sum of its proper divisors (4284331968) is greater than itself. Its abundance is 3062951808

Bases of 1221380160

• Binary: 1001000110011001100100001000000₂
• Hexadecimal: 0x48CCC840
• Base-36: K76EYO

Squares and roots of 1221380160

• 1221380160 squared (1221380160²) is 1491769495241625600
• 1221380160 cubed (1221380160³) is 1822017664781335913988096000
• The square root of 1221380160 is 34948.2497415821
• The cube root of 1221380160 is 1068.9325132709

Scales and comparisons

• 1,221,380,160 seconds is equal to 38 years, 43 weeks, 3 days, 8 hours, 16 minutes.
• To count from 1 to 1,221,380,160 would take you about seventy-seven 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 1221380160 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221380160

• 1221380160 backwards is 0610831221
• 1221380160 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1221380160's digits is 24
• More coming soon!