1321116720

Names of 1321116720

• Cardinal: 1321116720 can be written as One billion, three hundred twenty-one million, one hundred sixteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.32111672 × 10⁹

Factors of 1321116720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 192

Divisors of 1321116720

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 33 35 40 42 44 48 55 56 60 66 67 70 77 80 84 88 97 105 110 112 120 121 132 134 140 154 165 168 176 194 201 210 220 231 240 242 264 268 280 291 308 330 335 336 363 385 388 402 420 440 462 469 484 485 528 536 560 582 605 616 660 670 679 726 737 770 776 804 840 847 880 924 938 968 970 1005 1067 1072 1155 1164 1210 1232 1320 1340 1358 1407 1452 1455 1474 1540 1552 1608 1680 1694 1815 1848 1876 1936 1940 2010 2037 2134 2211 2310 2328 2345 2420 2541 2640 2680 2716 2814 2904 2910 2948 3080 3201 3216 3388 3395 3630 3685 3696 3752 3880 4020 4074 4235 4268 4422 4620 4656 4690 4840 5082 5159 5335 5360 5432 5628 5808 5820 5896 6160 6402 6499 6776 6790 7035 7260 7370 7469 7504 7760 8040 8107 8148 8470 8536 8844 9240 9380 9680 10164 10185 10318 10670 10864 11055 11256 11640 11737 11792 12705 12804 12998 13552 13580 14070 14520 14740 14938 15477 16005 16080 16214 16296 16940 17072 17688 18480 18760 19497 20328 20370 20636 21340 22110 22407 22512 23280 23474 24321 25410 25608 25795 25996 27160 28140 29040 29480 29876 30954 32010 32428 32495 32592 33880 35211 35376 37345 37520 38994 40535 40656 40740 41272 42680 44220 44814 45493 46948 48642 50820 51216 51590 51992 54320 56280 56749 58685 58960 59752 61908 64020 64856 64990 67760 70422 71489 74690 77385 77988 81070 81480 82159 82544 85360 88440 89628 90986 93896 97284 97485 101640 103180 103984 112035 112560 113498 117370 119504 121605 123816 128040 129712 129980 136479 140844 142978 149380 154770 155976 162140 162960 164318 170247 176055 176880 179256 181972 187792 194568 194970 203280 206360 214467 224070 226996 227465 234740 243210 246477 247632 256080 259960 272958 281688 283745 285956 298760 309540 311952 324280 328636 340494 352110 357445 358512 363944 389136 389940 410795 412720 428934 448140 453992 454930 469480 486420 492954 500423 519920 545916 563376 567490 571912 597520 619080 648560 657272 680988 682395 704220 714890 727888 779880 786379 821590 851235 857868 896280 907984 909860 938960 972840 985908 1000846 1072335 1091832 1134980 1143824 1232385 1238160 1314544 1361976 1364790 1408440 1429780 1501269 1559760 1572758 1643180 1702470 1715736 1792560 1819720 1945680 1971816 2001692 2144670 2183664 2269960 2359137 2464770 2502115 2723952 2729580 2816880 2859560 3002538 3145516 3286360 3404940 3431472 3639440 3931895 3943632 4003384 4289340 4539920 4718274 4929540 5004230 5459160 5504653 5719120 6005076 6291032 6572720 6809880 7506345 7863790 8006768 8578680 9436548 9859080 10008460 10918320 11009306 11795685 12010152 12582064 13619760 15012690 15727580 16513959 17157360 18873096 19718160 20016920 22018612 23591370 24020304 27523265 30025380 31455160 33027918 37746192 40033840 44037224 47182740 55046530 60050760 62910320 66055836 82569795 88074448 94365480 110093060 120101520 132111672 165139590 188730960 220186120 264223344 330279180 440372240 660558360 1321116720
• Sum of all divisors σ(n): 5275329024
• Sum of proper divisors (its aliquot sum) s(n): 3954212304
• 1321116720 is an abundant number, because the sum of its proper divisors (3954212304) is greater than itself. Its abundance is 2633095584

Bases of 1321116720

• Binary: 1001110101111101010010000110000₂
• Hexadecimal: 0x4EBEA430
• Base-36: LUK46O

Squares and roots of 1321116720

• 1321116720 squared (1321116720²) is 1745349387863558400
• 1321116720 cubed (1321116720³) is 2305810258548312080936448000
• The square root of 1321116720 is 36347.1693533347
• The cube root of 1321116720 is 1097.2705663823

Scales and comparisons

• 1,321,116,720 seconds is equal to 42 years, 2 days, 16 hours, 52 minutes.
• To count from 1 to 1,321,116,720 would take you about eighty-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 1321116720 cubic inches would be around 91.4 feet tall.

Recreational maths with 1321116720

• 1321116720 backwards is 0276111231
• 1321116720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1321116720's digits is 24
• More coming soon!