1990639728
1,990,639,728 is an even composite number composed of six prime numbers multiplied together.
1990639728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 1990639728:
24 × 32 × 7 × 112 × 19 × 859
(2 × 2 × 2 × 2 × 3 × 3 × 7 × 11 × 11 × 19 × 859)See below for interesting mathematical facts about the number 1990639728 from the Numbermatics database.
Names of 1990639728
- Cardinal: 1990639728 can be written as One billion, nine hundred ninety million, six hundred thirty-nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.990639728 × 109
Factors of 1990639728
Divisors of 1990639728
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 16 18 19 21 22 24 28 33 36 38 42 44 48 56 57 63 66 72 76 77 84 88 99 112 114 121 126 132 133 144 152 154 168 171 176 198 209 228 231 242 252 264 266 304 308 336 342 363 396 399 418 456 462 484 504 528 532 616 627 684 693 726 792 798 836 847 859 912 924 968 1008 1064 1089 1197 1232 1254 1368 1386 1452 1463 1584 1596 1672 1694 1718 1848 1881 1936 2128 2178 2299 2394 2508 2541 2577 2736 2772 2904 2926 3192 3344 3388 3436 3696 3762 4356 4389 4598 4788 5016 5082 5154 5544 5808 5852 6013 6384 6776 6872 6897 7524 7623 7731 8712 8778 9196 9449 9576 10032 10164 10308 11088 11704 12026 13167 13552 13744 13794 15048 15246 15462 16093 16321 17424 17556 18039 18392 18898 19152 20328 20616 20691 23408 24052 26334 27588 28347 30096 30492 30924 32186 32642 35112 36078 36784 37796 40656 41232 41382 48104 48279 48963 52668 54117 55176 56694 60984 61848 64372 65284 66143 70224 72156 75592 82764 85041 96208 96558 97926 103939 105336 108234 110352 113388 114247 121968 123696 128744 130568 132286 144312 144837 146889 151184 165528 170082 179531 193116 195852 198429 207878 210672 216468 226776 228494 257488 261136 264572 288624 289674 293778 311817 331056 340164 342741 359062 386232 391704 396858 415756 432936 453552 456988 529144 538593 579348 587556 595287 623634 680328 685482 718124 727573 772464 783408 793716 831512 865872 913976 935451 1028223 1058288 1077186 1158696 1175112 1190574 1247268 1256717 1360656 1370964 1436248 1455146 1587432 1615779 1663024 1827952 1870902 1974841 2056446 2154372 2182719 2317392 2350224 2381148 2494536 2513434 2741928 2872496 2910292 3174864 3231558 3741804 3770151 3949682 4112892 4308744 4365438 4762296 4989072 5026868 5483856 5820584 5924523 6463116 6548157 7483608 7540302 7899364 8225784 8617488 8730876 9524592 10053736 11310453 11641168 11849046 12926232 13096314 13823887 14967216 15080604 15798728 16451568 17461752 17773569 20107472 22620906 23698092 25852464 26192628 27647774 30161208 31597456 34923504 35547138 41471661 45241812 47396184 52385256 55295548 60322416 71094276 82943322 90483624 94792368 104770512 110591096 124414983 142188552 165886644 180967248 221182192 248829966 284377104 331773288 497659932 663546576 995319864 1990639728
- Sum of all divisors σ(n): 7375222400
- Sum of proper divisors (its aliquot sum) s(n): 5384582672
- 1990639728 is an abundant number, because the sum of its proper divisors (5384582672) is greater than itself. Its abundance is 3393942944
Bases of 1990639728
- Binary: 11101101010011011000000011100002
- Hexadecimal: 0x76A6C070
- Base-36: WX6BG0
Squares and roots of 1990639728
- 1990639728 squared (19906397282) is 3962646526691913984
- 1990639728 cubed (19906397283) is 7888201604054136392909156352
-
The
square root of 1990639728 is 44616.5857949709 -
The
cube root of 1990639728 is 1257.9524416209
Scales and comparisons
How big is 1990639728?- 1,990,639,728 seconds is equal to 63 years, 15 weeks, 2 days, 19 hours, 28 minutes, 48 seconds.
-
To count from 1 to 1,990,639,728 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 1990639728 cubic inches would be around 104.8 feet tall.
Recreational maths with 1990639728
- 1990639728 backwards is 8279360991
- The number of decimal digits it has is: 10
- The sum of 1990639728's digits is 54
- More coming soon!
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The information we have on file for 1990639728 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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