28987678720
28,987,678,720 is an even composite number composed of six prime numbers multiplied together.
28987678720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 28987678720:
213 × 5 × 72 × 11 × 13 × 101
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 11 × 13 × 101)See below for interesting mathematical facts about the number 28987678720 from the Numbermatics database.
Names of 28987678720
- Cardinal: 28987678720 can be written as Twenty-eight billion, nine hundred eighty-seven million, six hundred seventy-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.898767872 × 1010
Factors of 28987678720
Divisors of 28987678720
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 40 44 49 52 55 56 64 65 70 77 80 88 91 98 101 104 110 112 128 130 140 143 154 160 176 182 196 202 208 220 224 245 256 260 280 286 308 320 352 364 385 392 404 416 440 448 455 490 505 512 520 539 560 572 616 637 640 704 707 715 728 770 784 808 832 880 896 910 980 1001 1010 1024 1040 1078 1111 1120 1144 1232 1274 1280 1313 1408 1414 1430 1456 1540 1568 1616 1664 1760 1792 1820 1960 2002 2020 2048 2080 2156 2222 2240 2288 2464 2548 2560 2626 2695 2816 2828 2860 2912 3080 3136 3185 3232 3328 3520 3535 3584 3640 3920 4004 4040 4096 4160 4312 4444 4480 4576 4928 4949 5005 5096 5120 5252 5390 5555 5632 5656 5720 5824 6160 6272 6370 6464 6565 6656 7007 7040 7070 7168 7280 7777 7840 8008 8080 8192 8320 8624 8888 8960 9152 9191 9856 9898 10010 10192 10240 10504 10780 11110 11264 11312 11440 11648 12320 12544 12740 12928 13130 13312 14014 14080 14140 14336 14443 14560 15554 15680 16016 16160 16640 17248 17776 17920 18304 18382 19712 19796 20020 20384 20480 21008 21560 22220 22528 22624 22880 23296 24640 24745 25088 25480 25856 26260 26624 28028 28160 28280 28672 28886 29120 31108 31360 32032 32320 33280 34496 35035 35552 35840 36608 36764 38885 39424 39592 40040 40768 40960 42016 43120 44440 45056 45248 45760 45955 46592 49280 49490 50176 50960 51712 52520 53248 54439 56056 56320 56560 57344 57772 58240 62216 62720 64064 64337 64640 66560 68992 70070 71104 71680 72215 73216 73528 77770 78848 79184 80080 81536 84032 86240 88880 90112 90496 91520 91910 93184 98560 98980 100352 101101 101920 103424 105040 106496 108878 112112 112640 113120 115544 116480 124432 125440 128128 128674 129280 133120 137984 140140 142208 143360 144430 146432 147056 155540 157696 158368 160160 163072 168064 172480 177760 180992 183040 183820 186368 197120 197960 200704 202202 203840 206848 210080 217756 224224 225280 226240 231088 232960 248864 250880 256256 257348 258560 266240 272195 275968 280280 284416 286720 288860 292864 294112 311080 315392 316736 320320 321685 326144 336128 344960 355520 361984 366080 367640 372736 394240 395920 401408 404404 407680 413696 420160 435512 448448 450560 452480 462176 465920 497728 501760 505505 512512 514696 517120 532480 544390 551936 560560 568832 577720 585728 588224 622160 630784 633472 640640 643370 652288 672256 689920 707707 711040 723968 732160 735280 745472 788480 791840 808808 815360 827392 840320 871024 896896 904960 924352 931840 995456 1003520 1011010 1025024 1029392 1034240 1088780 1103872 1121120 1137664 1155440 1171456 1176448 1244320 1266944 1281280 1286740 1304576 1344512 1379840 1415414 1422080 1447936 1464320 1470560 1576960 1583680 1617616 1630720 1680640 1742048 1793792 1809920 1848704 1863680 1990912 2007040 2022020 2050048 2058784 2068480 2177560 2207744 2242240 2275328 2310880 2352896 2488640 2533888 2562560 2573480 2609152 2689024 2759680 2830828 2844160 2895872 2928640 2941120 3153920 3167360 3235232 3261440 3361280 3484096 3538535 3587584 3619840 3697408 3727360 3981824 4044040 4100096 4117568 4136960 4355120 4415488 4484480 4550656 4621760 4705792 4977280 5067776 5125120 5146960 5218304 5378048 5519360 5661656 5688320 5791744 5857280 5882240 6334720 6470464 6522880 6722560 6968192 7077070 7175168 7239680 7394816 7963648 8088080 8200192 8235136 8710240 8968960 9101312 9243520 9411584 9954560 10135552 10250240 10293920 10756096 11038720 11323312 11376640 11764480 12669440 12940928 13045760 13445120 13936384 14154140 14350336 14479360 14789632 15927296 16176160 16470272 17420480 17937920 18487040 18823168 19909120 20271104 20500480 20587840 22077440 22646624 22753280 23528960 25338880 25881856 26091520 26890240 27872768 28308280 28700672 28958720 29579264 31854592 32352320 32940544 34840960 35875840 36974080 37646336 39818240 40542208 41000960 41175680 45293248 45506560 47057920 50677760 51763712 53780480 55745536 56616560 57401344 59158528 63709184 64704640 65881088 69681920 71751680 73948160 75292672 79636480 82351360 90586496 94115840 101355520 103527424 111491072 113233120 118317056 129409280 131762176 139363840 143503360 147896320 159272960 164702720 181172992 188231680 202711040 207054848 222982144 226466240 258818560 263524352 278727680 287006720 295792640 318545920 329405440 362345984 376463360 414109696 445964288 452932480 517637120 527048704 557455360 591585280 658810880 724691968 828219392 905864960 1035274240 1114910720 1317621760 1449383936 1811729920 2070548480 2229821440 2635243520 2898767872 3623459840 4141096960 5797535744 7246919680 14493839360 28987678720
- Sum of all divisors σ(n): 96012768096
- Sum of proper divisors (its aliquot sum) s(n): 67025089376
- 28987678720 is an abundant number, because the sum of its proper divisors (67025089376) is greater than itself. Its abundance is 38037410656
Bases of 28987678720
- Binary: 110101111111100110011100000000000002
- Hexadecimal: 0x6BFCCE000
- Base-36: DBEIK1S
Squares and roots of 28987678720
- 28987678720 squared (289876787202) is 840285517573940838400
- 28987678720 cubed (289876787203) is 24357926616502310867826638848000
-
The
square root of 28987678720 is 170257.6832921203 -
The
cube root of 28987678720 is 3071.8816505331
Scales and comparisons
How big is 28987678720?- 28,987,678,720 seconds is equal to 921 years, 37 weeks, 2 days, 12 hours, 58 minutes, 40 seconds.
-
To count from 1 to 28,987,678,720 would take you about one thousand, eight hundred forty-three 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 28987678720 cubic inches would be around 256 feet tall.
Recreational maths with 28987678720
- 28987678720 backwards is 02787678982
- 28987678720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28987678720's digits is 64
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 28987678720 - Facts about the integer". Numbermatics.com. 2024. Web. 10 June 2024.
APA style:
Numbermatics. (2024). Number 28987678720 - Facts about the integer. Retrieved 10 June 2024, from https://numbermatics.com/n/28987678720/
Chicago style:
Numbermatics. 2024. "Number 28987678720 - Facts about the integer". https://numbermatics.com/n/28987678720/
The information we have on file for 28987678720 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!
Keywords: Divisors of 28987678720, math, Factors of 28987678720, curriculum, school, college, exams, university, Prime factorization of 28987678720, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight billion, nine hundred eighty-seven million, six hundred seventy-eight thousand, seven hundred twenty.