1991390058225
1,991,390,058,225 is an odd composite number composed of seven prime numbers multiplied together.
1991390058225 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 1991390058225:
32 × 52 × 31 × 37 × 41 × 532 × 67
(3 × 3 × 5 × 5 × 31 × 37 × 41 × 53 × 53 × 67)See below for interesting mathematical facts about the number 1991390058225 from the Numbermatics database.
Names of 1991390058225
- Cardinal: 1991390058225 can be written as One trillion, nine hundred ninety-one billion, three hundred ninety million, fifty-eight thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 1.991390058225 × 1012
Factors of 1991390058225
Divisors of 1991390058225
- Number of divisors d(n): 432
-
Complete list of divisors:
1 3 5 9 15 25 31 37 41 45 53 67 75 93 111 123 155 159 185 201 205 225 265 279 333 335 369 465 477 555 603 615 775 795 925 1005 1025 1147 1271 1325 1395 1517 1643 1665 1675 1845 1961 2077 2173 2325 2385 2479 2747 2775 2809 3015 3075 3441 3551 3813 3975 4551 4929 5025 5735 5883 6231 6355 6519 6975 7437 7585 8215 8241 8325 8427 9225 9805 10323 10385 10653 10865 11439 11925 12395 13653 13735 14045 14787 15075 17205 17649 17755 18693 19065 19557 22311 22755 24645 24723 25281 28675 29415 31155 31775 31959 32595 37185 37925 41075 41205 42135 47027 49025 51615 51925 53265 54325 57195 60791 61975 67363 68265 68675 70225 73935 76849 80401 85157 86025 87079 88245 88775 93465 95325 97785 101639 103933 110081 111555 113775 115169 123225 123615 126405 131387 141081 145591 147075 155775 159795 162975 182373 185925 188203 202089 206025 210675 230547 235135 241203 255471 258075 261237 266325 285975 303955 304917 311799 330243 336815 341325 345507 369675 384245 394161 402005 423243 425785 435395 436773 441225 467325 488925 508195 519665 547119 550405 557775 564609 575845 606267 618075 632025 656935 691641 705405 723609 727955 766413 783711 798975 911865 914751 935397 941015 990729 1010445 1036521 1152735 1175675 1182483 1206015 1277355 1306185 1310319 1519775 1524585 1558995 1651215 1684075 1693827 1727535 1921225 1970805 2010025 2116215 2128925 2176975 2183865 2492431 2540975 2598325 2735595 2752025 2823045 2879225 3031335 3150809 3221923 3284675 3458205 3527025 3570239 3618045 3639775 3832065 3918555 4072997 4261253 4513321 4559325 4573755 4676985 4705075 4953645 5052225 5182605 5386867 5763675 5834293 5912415 6030075 6386775 6530925 6551595 6963511 7477293 7622925 7716323 7794975 8256075 8469135 8637675 9452427 9665769 9854025 10581075 10710717 10919325 12218991 12462155 12783759 13539963 13677975 14115225 15156675 15754045 16109615 16160601 17291025 17502879 17851195 18090225 19160325 19592775 20364985 20890533 21306265 22431879 22566605 22868775 23148969 23384925 24768225 25913025 26934335 28357281 28997307 29171465 29562075 32132151 32757975 34817555 36656973 37386465 38351277 38581615 40619889 42345675 47262135 48328845 48481803 52508637 53553585 61094955 62310775 62671599 63918795 67699815 69446907 78770225 80548075 80803005 87514395 89255975 101824925 104452665 106531325 112159395 112833025 115744845 132098843 134671675 141786405 144986535 145857325 160660755 166992877 174087775 183284865 186932325 191756385 192908075 203099445 215868841 236310675 239206013 241644225 242409015 262543185 267767925 285503951 305474775 313357995 319593975 338499075 347234535 396296529 404015025 437571975 500978631 522263325 560796975 578724225 647606523 660494215 708932025 717618039 724932675 803303775 834964385 856511853 916424325 958781925 1015497225 1079344205 1188889587 1196030065 1212045075 1312715925 1427519755 1502935893 1566789975 1736172675 1942819569 1981482645 2152854117 2504893155 2569535559 3238032615 3302471075 3588090195 4174821925 4282559265 5396721025 5944447935 5980150325 7137598775 7514679465 8850622481 9714097845 9907413225 10764270585 12524465775 12847677795 16190163075 17940450975 21412796325 26551867443 29722239675 37573397325 44253112405 48570489225 53821352925 64238388975 79655602329 132759337215 221265562025 398278011645 663796686075 1991390058225
- Sum of all divisors σ(n): 4006989202944
- Sum of proper divisors (its aliquot sum) s(n): 2015599144719
- 1991390058225 is an abundant number, because the sum of its proper divisors (2015599144719) is greater than itself. Its abundance is 24209086494
Bases of 1991390058225
- Binary: 111001111101010000001100011010110111100012
- Hexadecimal: 0x1CFA818D6F1
- Base-36: PETY82Y9
Squares and roots of 1991390058225
- 1991390058225 squared (19913900582252) is 3965634363997368890150625
- 1991390058225 cubed (19913900582253) is 7897124847019781277903856747770140625
-
The
square root of 1991390058225 is 1411166.2050322065 -
The
cube root of 1991390058225 is 12581.1047476609
Scales and comparisons
How big is 1991390058225?- 1,991,390,058,225 seconds is equal to 63,320 years, 2 weeks, 2 days, 1 hour, 3 minutes, 45 seconds.
-
To count from 1 to 1,991,390,058,225 would take you about one hundred fifty-eight thousand, three hundred 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 1991390058225 cubic inches would be around 1048.4 feet tall.
Recreational maths with 1991390058225
- 1991390058225 backwards is 5228500931991
- The number of decimal digits it has is: 13
- The sum of 1991390058225's digits is 54
- More coming soon!
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