1221561348490
1,221,561,348,490 is an even composite number composed of eight prime numbers multiplied together.
1221561348490 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 1221561348490:
2 × 5 × 7 × 31 × 53 × 89 × 131 × 911
See below for interesting mathematical facts about the number 1221561348490 from the Numbermatics database.
Names of 1221561348490
- Cardinal: 1221561348490 can be written as One trillion, two hundred twenty-one billion, five hundred sixty-one million, three hundred forty-eight thousand, four hundred ninety.
Scientific notation
- Scientific notation: 1.22156134849 × 1012
Factors of 1221561348490
Divisors of 1221561348490
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 5 7 10 14 31 35 53 62 70 89 106 131 155 178 217 262 265 310 371 434 445 530 623 655 742 890 911 917 1085 1246 1310 1643 1822 1834 1855 2170 2759 3115 3286 3710 4061 4555 4585 4717 5518 6230 6377 6943 8122 8215 9110 9170 9434 11501 11659 12754 13795 13886 16430 19313 20305 23002 23318 23585 27590 28241 28427 31885 33019 34715 38626 40610 47170 48283 48601 56482 56854 57505 58295 63770 66038 69430 81079 81613 96565 96566 97202 115010 116590 119341 141205 142135 146227 162158 163226 165095 193130 197687 215233 238682 241415 243005 282410 284270 292454 330190 337981 361429 395374 405395 408065 430466 482830 486010 567553 596705 617927 675962 722858 731135 810790 816130 835387 988435 1023589 1076165 1135106 1193410 1235854 1462270 1496773 1506631 1670774 1689905 1807145 1976870 2047178 2152330 2513449 2530003 2837765 2993546 3013262 3089635 3379810 3614290 3699571 4176935 4297187 4325489 5026898 5060006 5117945 5675530 6179270 6325073 7399142 7483865 7533155 8353870 8594374 8650978 10235890 10477411 10621349 12567245 12650015 12650146 14967730 15066310 17594143 18497855 19155737 20954822 21242698 21485935 21627445 25134490 25300030 25896997 30080309 31625365 35188286 36995710 38311474 42971870 43254890 44275511 51793994 52387055 53106745 60160618 63250730 74349443 87970715 88551022 95778685 104774110 106213490 129484985 133212797 134090159 148698886 150401545 175941430 191557370 196077263 221377555 258969970 266425594 268180318 300803090 329261819 371747215 392154526 442755110 562931497 658523638 666063985 670450795 743494430 932489579 980386315 1125862994 1332127970 1340901590 1372540841 1646309095 1864979158 1960772630 2304832733 2745081682 2814657485 3292618190 3940520479 4609665466 4662447895 5629314970 6862704205 7881040958 9324895790 11524163665 13725408410 17450876407 19702602395 23048327330 34901752814 39405204790 87254382035 122156134849 174508764070 244312269698 610780674245 1221561348490
- Sum of all divisors σ(n): 2695985233920
- Sum of proper divisors (its aliquot sum) s(n): 1474423885430
- 1221561348490 is an abundant number, because the sum of its proper divisors (1474423885430) is greater than itself. Its abundance is 252862536940
Bases of 1221561348490
- Binary: 100011100011010101011101011110001100010102
- Hexadecimal: 0x11C6ABAF18A
- Base-36: FL6E34WA
Squares and roots of 1221561348490
- 1221561348490 squared (12215613484902) is 1492212128124707225280100
- 1221561348490 cubed (12215613484903) is 1822828659465150012999605173962049000
-
The
square root of 1221561348490 is 1105242.6649790533 -
The
cube root of 1221561348490 is 10689.8536842013
Scales and comparisons
How big is 1221561348490?- 1,221,561,348,490 seconds is equal to 38,841 years, 45 weeks, 2 days, 12 hours, 48 minutes, 10 seconds.
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To count from 1 to 1,221,561,348,490 would take you about ninety-seven thousand, one hundred 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 1221561348490 cubic inches would be around 890.8 feet tall.
Recreational maths with 1221561348490
- 1221561348490 backwards is 0948431651221
- The number of decimal digits it has is: 13
- The sum of 1221561348490's digits is 46
- More coming soon!
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