121989161400
121,989,161,400 is an even composite number composed of six prime numbers multiplied together.
121989161400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 121989161400:
23 × 3 × 52 × 412 × 79 × 1531
(2 × 2 × 2 × 3 × 5 × 5 × 41 × 41 × 79 × 1531)See below for interesting mathematical facts about the number 121989161400 from the Numbermatics database.
Names of 121989161400
- Cardinal: 121989161400 can be written as One hundred twenty-one billion, nine hundred eighty-nine million, one hundred sixty-one thousand, four hundred.
Scientific notation
- Scientific notation: 1.219891614 × 1011
Factors of 121989161400
Divisors of 121989161400
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 41 50 60 75 79 82 100 120 123 150 158 164 200 205 237 246 300 316 328 395 410 474 492 600 615 632 790 820 948 984 1025 1185 1230 1531 1580 1640 1681 1896 1975 2050 2370 2460 3062 3075 3160 3239 3362 3950 4100 4593 4740 4920 5043 5925 6124 6150 6478 6724 7655 7900 8200 8405 9186 9480 9717 10086 11850 12248 12300 12956 13448 15310 15800 16195 16810 18372 19434 20172 22965 23700 24600 25215 25912 30620 32390 33620 36744 38275 38868 40344 42025 45930 47400 48585 50430 61240 62771 64780 67240 76550 77736 80975 84050 91860 97170 100860 114825 120949 125542 126075 129560 132799 153100 161950 168100 183720 188313 194340 201720 229650 241898 242925 251084 252150 265598 306200 313855 323900 336200 362847 376626 388680 398397 459300 483796 485850 502168 504300 531196 604745 627710 647800 663995 725694 753252 796794 918600 941565 967592 971700 1008600 1062392 1209490 1255420 1327990 1451388 1506504 1569275 1593588 1814235 1883130 1943400 1991985 2418980 2510840 2573611 2655980 2902776 3023725 3138550 3187176 3319975 3628470 3766260 3983970 4707825 4837960 4958909 5147222 5311960 6047450 6277100 6639950 7256940 7532520 7720833 7967940 9071175 9415650 9917818 9959925 10294444 12094900 12554200 12868055 13279900 14513880 14876727 15441666 15935880 18142350 18831300 19835636 19919850 20588888 24189800 24794545 25736110 26559800 29753454 30883332 36284700 37662600 38604165 39671272 39839700 49589090 51472220 59506908 61766664 64340275 72569400 74383635 77208330 79679400 99178180 102944440 119013816 123972725 128680550 148767270 154416660 193020825 198356360 203315269 247945450 257361100 297534540 308833320 371918175 386041650 406630538 495890900 514722200 595069080 609945807 743836350 772083300 813261076 991781800 1016576345 1219891614 1487672700 1544166600 1626522152 2033152690 2439783228 2975345400 3049729035 4066305380 4879566456 5082881725 6099458070 8132610760 10165763450 12198916140 15248645175 20331526900 24397832280 30497290350 40663053800 60994580700 121989161400
- Sum of all divisors σ(n): 392777836800
- Sum of proper divisors (its aliquot sum) s(n): 270788675400
- 121989161400 is an abundant number, because the sum of its proper divisors (270788675400) is greater than itself. Its abundance is 148799514000
Bases of 121989161400
- Binary: 11100011001110001111011100001101110002
- Hexadecimal: 0x1C671EE1B8
- Base-36: 1K1H73CO
Squares and roots of 121989161400
- 121989161400 squared (1219891614002) is 14881355499075249960000
- 121989161400 cubed (1219891614003) is 1815364077827468218115783544000000
-
The
square root of 121989161400 is 349269.4681760775 -
The
cube root of 121989161400 is 4959.5287853379
Scales and comparisons
How big is 121989161400?- 121,989,161,400 seconds is equal to 3,878 years, 45 weeks, 4 days, 14 hours, 10 minutes.
-
To count from 1 to 121,989,161,400 would take you about seven thousand, seven hundred fifty-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 121989161400 cubic inches would be around 413.3 feet tall.
Recreational maths with 121989161400
- 121989161400 backwards is 004161989121
- The number of decimal digits it has is: 12
- The sum of 121989161400's digits is 42
- More coming soon!
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