1990146990
1,990,146,990 is an even composite number composed of eight prime numbers multiplied together.
1990146990 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 1990146990:
2 × 3 × 5 × 13 × 17 × 23 × 31 × 421
See below for interesting mathematical facts about the number 1990146990 from the Numbermatics database.
Names of 1990146990
- Cardinal: 1990146990 can be written as One billion, nine hundred ninety million, one hundred forty-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.99014699 × 109
Factors of 1990146990
Divisors of 1990146990
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 10 13 15 17 23 26 30 31 34 39 46 51 62 65 69 78 85 93 102 115 130 138 155 170 186 195 221 230 255 299 310 345 390 391 403 421 442 465 510 527 598 663 690 713 782 806 842 897 930 1054 1105 1173 1209 1263 1326 1426 1495 1581 1794 1955 2015 2105 2139 2210 2346 2418 2526 2635 2990 3162 3315 3565 3910 4030 4210 4278 4485 5083 5270 5473 5865 6045 6315 6630 6851 7130 7157 7905 8970 9269 9683 10166 10695 10946 11730 12090 12121 12630 13051 13702 14314 15249 15810 16419 18538 19366 20553 21390 21471 24242 25415 26102 27365 27807 29049 30498 32838 34255 35785 36363 39153 41106 42942 46345 48415 50830 54730 55614 58098 60605 65255 68510 71570 72726 76245 78306 82095 92690 93041 96830 102765 107355 121210 125879 130510 139035 145245 152490 157573 164190 164611 169663 181815 186082 195765 205530 214710 221867 251758 278070 279123 290490 300173 315146 329222 339326 363630 377637 391530 443734 465205 472719 493833 508989 558246 600346 629395 665601 755274 787865 823055 848315 900519 930410 945438 987666 1017978 1109335 1258790 1331202 1395615 1500865 1575730 1646110 1696630 1801038 1888185 2139943 2218670 2363595 2469165 2544945 2791230 2884271 3001730 3328005 3776370 3902249 4279886 4502595 4727190 4938330 5089890 5102941 5768542 6419829 6656010 7804498 8652813 9005190 10205882 10699715 11706747 12839658 14421355 15308823 17305626 19511245 21399430 23413494 25514705 28842710 30617646 32099145 39022490 43264065 51029410 58533735 64198290 66338233 76544115 86528130 117067470 132676466 153088230 199014699 331691165 398029398 663382330 995073495 1990146990
- Sum of all divisors σ(n): 5880397824
- Sum of proper divisors (its aliquot sum) s(n): 3890250834
- 1990146990 is an abundant number, because the sum of its proper divisors (3890250834) is greater than itself. Its abundance is 1900103844
Bases of 1990146990
- Binary: 11101101001111100111011101011102
- Hexadecimal: 0x769F3BAE
- Base-36: WWVR8U
Squares and roots of 1990146990
- 1990146990 squared (19901469902) is 3960685041806060100
- 1990146990 cubed (19901469903) is 7882345414288354671774099000
-
The
square root of 1990146990 is 44611.0635380955 -
The
cube root of 1990146990 is 1257.8486404641
Scales and comparisons
How big is 1990146990?- 1,990,146,990 seconds is equal to 63 years, 14 weeks, 4 days, 2 hours, 36 minutes, 30 seconds.
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To count from 1 to 1,990,146,990 would take you about one hundred twenty-six 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 1990146990 cubic inches would be around 104.8 feet tall.
Recreational maths with 1990146990
- 1990146990 backwards is 0996410991
- The number of decimal digits it has is: 10
- The sum of 1990146990's digits is 48
- More coming soon!
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The information we have on file for 1990146990 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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