1221139080
1,221,139,080 is an even composite number composed of seven prime numbers multiplied together.
1221139080 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1221139080:
23 × 32 × 5 × 7 × 41 × 53 × 223
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 41 × 53 × 223)See below for interesting mathematical facts about the number 1221139080 from the Numbermatics database.
Names of 1221139080
- Cardinal: 1221139080 can be written as One billion, two hundred twenty-one million, one hundred thirty-nine thousand and eighty.
Scientific notation
- Scientific notation: 1.22113908 × 109
Factors of 1221139080
Divisors of 1221139080
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 41 42 45 53 56 60 63 70 72 82 84 90 105 106 120 123 126 140 159 164 168 180 205 210 212 223 246 252 265 280 287 315 318 328 360 369 371 410 420 424 446 477 492 504 530 574 615 630 636 669 738 742 795 820 840 861 892 954 984 1060 1113 1115 1148 1230 1260 1272 1338 1435 1476 1484 1561 1590 1640 1722 1784 1845 1855 1908 2007 2120 2173 2226 2230 2296 2385 2460 2520 2583 2676 2870 2952 2968 3122 3180 3339 3345 3444 3690 3710 3816 4014 4305 4346 4452 4460 4683 4770 4920 5166 5352 5565 5740 6244 6360 6519 6678 6690 6888 7380 7420 7805 8028 8610 8692 8904 8920 9143 9366 9540 10035 10332 10865 11130 11480 11819 12488 12915 13038 13356 13380 14049 14760 14840 15211 15610 16056 16695 17220 17384 18286 18732 19080 19557 20070 20664 21730 22260 23415 23638 25830 26076 26712 26760 27429 28098 30422 31220 32595 33390 34440 35457 36572 37464 39114 40140 43460 44520 45633 45715 46830 47276 51660 52152 54858 56196 59095 60844 62440 64001 65190 66780 70245 70914 73144 76055 78228 80280 82287 82733 86920 91266 91430 93660 94552 97785 103320 106371 109716 112392 118190 121688 128002 130380 133560 136899 137145 140490 141828 152110 156456 164574 165466 177285 182532 182860 187320 192003 195570 212742 219432 228165 236380 248199 256004 260760 273798 274290 280980 283656 304220 320005 329148 330932 354570 365064 365720 384006 391140 411435 413665 425484 456330 472760 484579 496398 512008 531855 547596 548580 561960 576009 608440 640010 658296 661864 684495 709140 744597 768012 782280 822870 827330 850968 912660 960015 969158 992796 1063710 1095192 1097160 1152018 1240995 1280020 1368990 1418280 1453737 1489194 1536024 1645740 1654660 1825320 1920030 1938316 1985592 2127420 2304036 2422895 2481990 2560040 2737980 2880045 2907474 2978388 3291480 3309320 3392053 3722985 3840060 3876632 4254840 4361211 4608072 4845790 4963980 5475960 5760090 5814948 5956776 6784106 7268685 7445970 7680120 8722422 9691580 9927960 10176159 11520180 11629896 13568212 14537370 14891940 16960265 17444844 19383160 20352318 21806055 23040360 27136424 29074740 29783880 30528477 33920530 34889688 40704636 43612110 50880795 58149480 61056954 67841060 81409272 87224220 101761590 122113908 135682120 152642385 174448440 203523180 244227816 305284770 407046360 610569540 1221139080
- Sum of all divisors σ(n): 4755179520
- Sum of proper divisors (its aliquot sum) s(n): 3534040440
- 1221139080 is an abundant number, because the sum of its proper divisors (3534040440) is greater than itself. Its abundance is 2312901360
Bases of 1221139080
- Binary: 10010001100100100011010100010002
- Hexadecimal: 0x48C91A88
- Base-36: K718Y0
Squares and roots of 1221139080
- 1221139080 squared (12211390802) is 1491180652703246400
- 1221139080 cubed (12211390803) is 1820938970355841821909312000
-
The
square root of 1221139080 is 34944.8004716009 -
The
cube root of 1221139080 is 1068.8621788477
Scales and comparisons
How big is 1221139080?- 1,221,139,080 seconds is equal to 38 years, 43 weeks, 13 hours, 18 minutes.
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To count from 1 to 1,221,139,080 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 1221139080 cubic inches would be around 89.1 feet tall.
Recreational maths with 1221139080
- 1221139080 backwards is 0809311221
- The number of decimal digits it has is: 10
- The sum of 1221139080's digits is 27
- More coming soon!
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