1889989920
1,889,989,920 is an even composite number composed of six prime numbers multiplied together.
1889989920 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 1889989920:
25 × 32 × 5 × 7 × 13 × 14423
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 14423)See below for interesting mathematical facts about the number 1889989920 from the Numbermatics database.
Names of 1889989920
- Cardinal: 1889989920 can be written as One billion, eight hundred eighty-nine million, nine hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.88998992 × 109
Factors of 1889989920
Divisors of 1889989920
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 52 56 60 63 65 70 72 78 80 84 90 91 96 104 105 112 117 120 126 130 140 144 156 160 168 180 182 195 208 210 224 234 240 252 260 273 280 288 312 315 336 360 364 390 416 420 455 468 480 504 520 546 560 585 624 630 672 720 728 780 819 840 910 936 1008 1040 1092 1120 1170 1248 1260 1365 1440 1456 1560 1638 1680 1820 1872 2016 2080 2184 2340 2520 2730 2912 3120 3276 3360 3640 3744 4095 4368 4680 5040 5460 6240 6552 7280 8190 8736 9360 10080 10920 13104 14423 14560 16380 18720 21840 26208 28846 32760 43269 43680 57692 65520 72115 86538 100961 115384 129807 131040 144230 173076 187499 201922 216345 230768 259614 288460 302883 346152 374998 403844 432690 461536 504805 519228 562497 576920 605766 649035 692304 749996 807688 865380 908649 937495 1009610 1038456 1124994 1153840 1211532 1298070 1312493 1384608 1499992 1514415 1615376 1687491 1730760 1817298 1874990 2019220 2076912 2249988 2307680 2423064 2596140 2624986 2812485 2999984 3028830 3230752 3374982 3461520 3634596 3749980 3937479 4038440 4153824 4499976 4543245 4846128 5192280 5249972 5624970 5999968 6057660 6562465 6749964 6923040 7269192 7499960 7874958 8076880 8437455 8999952 9086490 9692256 10384560 10499944 11249940 11812437 12115320 13124930 13499928 14538384 14999920 15749916 16153760 16874910 17999904 18172980 19687395 20769120 20999888 22499880 23624874 24230640 26249860 26999856 29076768 29999840 31499832 33749820 36345960 39374790 41999776 44999760 47249748 48461280 52499720 53999712 59062185 62999664 67499640 72691920 78749580 89999520 94499496 104999440 118124370 125999328 134999280 145383840 157499160 188998992 209998880 236248740 269998560 314998320 377997984 472497480 629996640 944994960 1889989920
- Sum of all divisors σ(n): 7938508032
- Sum of proper divisors (its aliquot sum) s(n): 6048518112
- 1889989920 is an abundant number, because the sum of its proper divisors (6048518112) is greater than itself. Its abundance is 4158528192
Bases of 1889989920
- Binary: 11100001010011011110101001000002
- Hexadecimal: 0x70A6F520
- Base-36: V991K0
Squares and roots of 1889989920
- 1889989920 squared (18899899202) is 3572061897701606400
- 1889989920 cubed (18899899203) is 6751160980272107263807488000
-
The
square root of 1889989920 is 43474.0143073997 -
The
cube root of 1889989920 is 1236.3833919199
Scales and comparisons
How big is 1889989920?- 1,889,989,920 seconds is equal to 60 years, 4 weeks, 6 days, 21 hours, 12 minutes.
-
To count from 1 to 1,889,989,920 would take you about one hundred twenty 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 1889989920 cubic inches would be around 103 feet tall.
Recreational maths with 1889989920
- 1889989920 backwards is 0299899881
- 1889989920 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1889989920's digits is 63
- More coming soon!
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