1221393671680
1,221,393,671,680 is an even composite number composed of six prime numbers multiplied together.
1221393671680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 1221393671680:
29 × 5 × 7 × 13 × 73 × 71821
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 13 × 73 × 71821)See below for interesting mathematical facts about the number 1221393671680 from the Numbermatics database.
Names of 1221393671680
- Cardinal: 1221393671680 can be written as One trillion, two hundred twenty-one billion, three hundred ninety-three million, six hundred seventy-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.22139367168 × 1012
Factors of 1221393671680
Divisors of 1221393671680
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 73 80 91 104 112 128 130 140 146 160 182 208 224 256 260 280 292 320 364 365 416 448 455 511 512 520 560 584 640 728 730 832 896 910 949 1022 1040 1120 1168 1280 1456 1460 1664 1792 1820 1898 2044 2080 2240 2336 2555 2560 2912 2920 3328 3584 3640 3796 4088 4160 4480 4672 4745 5110 5824 5840 6643 6656 7280 7592 8176 8320 8960 9344 9490 10220 11648 11680 13286 14560 15184 16352 16640 17920 18688 18980 20440 23296 23360 26572 29120 30368 32704 33215 33280 37376 37960 40880 46592 46720 53144 58240 60736 65408 66430 71821 75920 81760 93440 106288 116480 121472 130816 132860 143642 151840 163520 186880 212576 232960 242944 261632 265720 287284 303680 327040 359105 425152 485888 502747 531440 574568 607360 654080 718210 850304 933673 1005494 1062880 1149136 1214720 1308160 1436420 1700608 1867346 2010988 2125760 2298272 2429440 2513735 2872840 3401216 3734692 4021976 4251520 4596544 4668365 5027470 5242933 5745680 6535711 7469384 8043952 8503040 9193088 9336730 10054940 10485866 11491360 13071422 14938768 16087904 17006080 18386176 18673460 20109880 20971732 22982720 26142844 26214665 29877536 32175808 32678555 36700531 36772352 37346920 40219760 41943464 45965440 52285688 52429330 59755072 64351616 65357110 68158129 73401062 74693840 80439520 83886928 91930880 104571376 104858660 119510144 128703232 130714220 136316258 146802124 149387680 160879040 167773856 183502655 183861760 209142752 209717320 239020288 257406464 261428440 272632516 293604248 298775360 321758080 335547712 340790645 367005310 418285504 419434640 477106903 478040576 522856880 545265032 587208496 597550720 643516160 671095424 681581290 734010620 836571008 838869280 954213806 1045713760 1090530064 1174416992 1195101440 1287032320 1342190848 1363162580 1468021240 1673142016 1677738560 1908427612 2091427520 2181060128 2348833984 2385534515 2390202880 2684381696 2726325160 2936042480 3346284032 3355477120 3816855224 4182855040 4362120256 4697667968 4771069030 5452650320 5872084960 6710954240 7633710448 8365710080 8724240512 9395335936 9542138060 10905300640 11744169920 13421908480 15267420896 16731420160 17448481024 18790671872 19084276120 21810601280 23488339840 30534841792 34896962048 38168552240 43621202560 46976679680 61069683584 76337104480 87242405120 93953359360 122139367168 152674208960 174484810240 244278734336 305348417920 610696835840 1221393671680
- Sum of all divisors σ(n): 3653710397568
- Sum of proper divisors (its aliquot sum) s(n): 2432316725888
- 1221393671680 is an abundant number, because the sum of its proper divisors (2432316725888) is greater than itself. Its abundance is 1210923054208
Bases of 1221393671680
- Binary: 100011100011000001011110001100110000000002
- Hexadecimal: 0x11C60BC6600
- Base-36: FL3M98N4
Squares and roots of 1221393671680
- 1221393671680 squared (12213936716802) is 1491802501219951634022400
- 1221393671680 cubed (12213936716803) is 1822078134386444405550634743365632000
-
The
square root of 1221393671680 is 1105166.8071743741 -
The
cube root of 1221393671680 is 10689.3645499233
Scales and comparisons
How big is 1221393671680?- 1,221,393,671,680 seconds is equal to 38,836 years, 28 weeks, 19 hours, 54 minutes, 40 seconds.
-
To count from 1 to 1,221,393,671,680 would take you about ninety-seven thousand and ninety-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 1221393671680 cubic inches would be around 890.8 feet tall.
Recreational maths with 1221393671680
- 1221393671680 backwards is 0861763931221
- The number of decimal digits it has is: 13
- The sum of 1221393671680's digits is 49
- More coming soon!
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