28957320990
28,957,320,990 is an even composite number composed of seven prime numbers multiplied together.
28957320990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 28957320990:
2 × 35 × 5 × 13 × 29 × 73 × 433
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 13 × 29 × 73 × 433)See below for interesting mathematical facts about the number 28957320990 from the Numbermatics database.
Names of 28957320990
- Cardinal: 28957320990 can be written as Twenty-eight billion, nine hundred fifty-seven million, three hundred twenty thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.895732099 × 1010
Factors of 28957320990
Divisors of 28957320990
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 27 29 30 39 45 54 58 65 73 78 81 87 90 117 130 135 145 146 162 174 195 219 234 243 261 270 290 351 365 377 390 405 433 435 438 486 522 585 657 702 730 754 783 810 866 870 949 1053 1095 1131 1170 1215 1299 1305 1314 1566 1755 1885 1898 1971 2106 2117 2165 2190 2262 2349 2430 2598 2610 2847 3159 3285 3393 3510 3770 3897 3915 3942 4234 4330 4698 4745 5265 5629 5655 5694 5913 6318 6351 6495 6570 6786 7047 7794 7830 8541 9490 9855 10179 10530 10585 11258 11310 11691 11745 11826 12557 12702 12990 14094 14235 15795 16887 16965 17082 17739 19053 19485 19710 20358 21170 23382 23490 25114 25623 27521 28145 28470 29565 30537 31590 31609 31755 33774 33930 35073 35235 35478 37671 38106 38970 42705 50661 50895 51246 55042 56290 57159 58455 59130 61074 62785 63218 63510 70146 70470 75342 76869 82563 84435 85410 88695 91611 94827 95265 101322 101790 105219 113013 114318 116910 125570 128115 137605 151983 152685 153738 158045 163241 165126 168870 171477 175365 177390 183222 188355 189654 190530 210438 226026 230607 247689 253305 256230 275210 284481 285795 303966 305370 316090 326482 339039 342954 350730 376710 384345 410917 412815 455949 458055 461214 474135 489723 495378 506610 514431 526095 565065 568962 571590 678078 743067 759915 768690 816205 821834 825630 853443 857385 911898 916110 916661 948270 979446 1017117 1028862 1052190 1130130 1153035 1232751 1238445 1367847 1422405 1469169 1486134 1519830 1632410 1695195 1706886 1714770 1833322 2034234 2054585 2229201 2279745 2306070 2448615 2465502 2476890 2560329 2572155 2735694 2749983 2844810 2938338 3051351 3390390 3698253 3715335 4109170 4267215 4407507 4458402 4559490 4583305 4897230 5085585 5120658 5144310 5499966 6102702 6163755 6687603 6839235 7345845 7396506 7430670 7680987 8249949 8534430 8815014 9166610 10171170 11094759 11146005 11916593 12327510 12801645 13222521 13375206 13678470 13749915 14691690 15256755 15361974 16499898 18491265 22037535 22189518 22292010 23833186 24749847 25603290 26445042 27499830 30513510 33284277 33438015 35749779 36982530 38404935 39667563 41249745 44075070 49499694 55473795 59582965 66112605 66568554 66876030 71499558 74249541 76809870 79335126 82499490 99852831 107249337 110947590 119165930 123749235 132225210 148499082 166421385 178748895 198337815 199705662 214498674 222748623 247498470 321748011 332842770 357497790 371247705 396675630 445497246 499264155 536246685 643496022 742495410 965244033 998528310 1072493370 1113743115 1608740055 1930488066 2227486230 2895732099 3217480110 4826220165 5791464198 9652440330 14478660495 28957320990
- Sum of all divisors σ(n): 88378093440
- Sum of proper divisors (its aliquot sum) s(n): 59420772450
- 28957320990 is an abundant number, because the sum of its proper divisors (59420772450) is greater than itself. Its abundance is 30463451460
Bases of 28957320990
- Binary: 110101111011111110110100111000111102
- Hexadecimal: 0x6BDFDA71E
- Base-36: DAWFVVI
Squares and roots of 28957320990
- 28957320990 squared (289573209902) is 838526438917894580100
- 28957320990 cubed (289573209903) is 24281479250347101610936966299000
-
The
square root of 28957320990 is 170168.5076328755 -
The
cube root of 28957320990 is 3070.8089197375
Scales and comparisons
How big is 28957320990?- 28,957,320,990 seconds is equal to 920 years, 39 weeks, 1 day, 4 hours, 16 minutes, 30 seconds.
-
To count from 1 to 28,957,320,990 would take you about one thousand, eight hundred forty-one 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 28957320990 cubic inches would be around 255.9 feet tall.
Recreational maths with 28957320990
- 28957320990 backwards is 09902375982
- 28957320990 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28957320990's digits is 54
- More coming soon!
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