1999117890
1,999,117,890 is an even composite number composed of eight prime numbers multiplied together.
1999117890 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1999117890:
2 × 32 × 5 × 7 × 11 × 17 × 71 × 239
(2 × 3 × 3 × 5 × 7 × 11 × 17 × 71 × 239)See below for interesting mathematical facts about the number 1999117890 from the Numbermatics database.
Names of 1999117890
- Cardinal: 1999117890 can be written as One billion, nine hundred ninety-nine million, one hundred seventeen thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.99911789 × 109
Factors of 1999117890
Divisors of 1999117890
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 17 18 21 22 30 33 34 35 42 45 51 55 63 66 70 71 77 85 90 99 102 105 110 119 126 142 153 154 165 170 187 198 210 213 231 238 239 255 306 315 330 355 357 374 385 426 462 478 495 497 510 561 595 630 639 693 710 714 717 765 770 781 935 990 994 1065 1071 1122 1155 1190 1195 1207 1278 1309 1386 1434 1491 1530 1562 1673 1683 1785 1870 2130 2142 2151 2310 2343 2390 2414 2485 2618 2629 2805 2982 3195 3346 3366 3465 3570 3585 3621 3905 3927 4063 4302 4473 4686 4970 5019 5258 5355 5467 5610 6035 6390 6545 6930 7029 7170 7242 7455 7810 7854 7887 8126 8365 8415 8449 8946 10038 10710 10755 10863 10934 11715 11781 12070 12189 13090 13145 13277 14058 14910 15057 15774 16401 16730 16830 16898 16969 18105 18403 19635 20315 21510 21726 22365 23430 23562 23661 24378 25095 25347 26290 26554 27335 28441 30114 32802 33938 35145 36210 36567 36806 39270 39435 39831 40630 42245 44693 44730 47322 49203 50190 50694 50907 54315 54670 55209 56882 58905 60945 66385 70290 73134 75285 76041 78870 79662 82005 84490 84845 85323 89386 92015 92939 98406 101814 108630 110418 117810 118305 118783 119493 121890 126735 132770 134079 142205 150570 152082 152721 164010 165627 169690 170646 182835 184030 185878 186659 199155 223465 236610 237566 238986 246015 253470 254535 255969 268158 276045 278817 284410 288473 305442 312851 331254 356349 365670 373318 380205 398310 402237 426615 446930 464695 492030 509070 511938 552090 557634 559977 576946 593915 597465 625702 670395 712698 760410 763605 804474 828135 836451 853230 865419 929390 933295 938553 1069047 1119954 1187830 1194930 1279845 1306613 1340790 1394085 1442365 1527210 1564255 1656270 1672902 1679931 1730838 1781745 1866590 1877106 2011185 2019311 2138094 2559690 2596257 2613226 2788170 2799885 2815659 2884730 3128510 3173203 3359862 3563490 3919839 4022370 4038622 4182255 4327095 4692765 5192514 5345235 5599770 5631318 6057933 6346406 6533065 7839678 8364510 8399655 8654190 9385530 9519609 10096555 10690470 11759517 12115866 12981285 13066130 14078295 15866015 16799310 18173799 19039218 19599195 20193110 22212421 23519034 25962570 28156590 28558827 30289665 31732030 36347598 39198390 44424842 47598045 57117654 58797585 60579330 66637263 90868995 95196090 111062105 117595170 133274526 142794135 181737990 199911789 222124210 285588270 333186315 399823578 666372630 999558945 1999117890
- Sum of all divisors σ(n): 6987202560
- Sum of proper divisors (its aliquot sum) s(n): 4988084670
- 1999117890 is an abundant number, because the sum of its proper divisors (4988084670) is greater than itself. Its abundance is 2988966780
Bases of 1999117890
- Binary: 11101110010100000011110010000102
- Hexadecimal: 0x77281E42
- Base-36: X2818I
Squares and roots of 1999117890
- 1999117890 squared (19991178902) is 3996472338118052100
- 1999117890 cubed (19991178903) is 7989419348021926885062069000
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The
square root of 1999117890 is 44711.4961726847 -
The
cube root of 1999117890 is 1259.7357911629
Scales and comparisons
How big is 1999117890?- 1,999,117,890 seconds is equal to 63 years, 29 weeks, 2 days, 22 hours, 31 minutes, 30 seconds.
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To count from 1 to 1,999,117,890 would take you about one hundred twenty-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 1999117890 cubic inches would be around 105 feet tall.
Recreational maths with 1999117890
- 1999117890 backwards is 0987119991
- The number of decimal digits it has is: 10
- The sum of 1999117890's digits is 54
- More coming soon!
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The information we have on file for 1999117890 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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