28987779072

Names of 28987779072

• Cardinal: 28987779072 can be written as Twenty-eight billion, nine hundred eighty-seven million, seven hundred seventy-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 2.8987779072 × 10¹⁰

Factors of 28987779072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1404

Divisors of 28987779072

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 73 84 96 98 112 128 146 147 168 192 196 219 224 256 292 294 336 384 392 438 448 511 512 584 588 672 768 784 876 896 1022 1024 1168 1176 1319 1344 1533 1536 1568 1752 1792 2044 2048 2336 2352 2638 2688 3066 3072 3136 3504 3577 3584 3957 4088 4672 4704 5276 5376 6132 6144 6272 7008 7154 7168 7914 8176 9233 9344 9408 10552 10731 10752 12264 12544 14016 14308 14336 15828 16352 18466 18688 18816 21104 21462 21504 24528 25088 27699 28032 28616 31656 32704 36932 37376 37632 42208 42924 43008 49056 50176 55398 56064 57232 63312 64631 65408 73864 74752 75264 84416 85848 96287 98112 100352 110796 112128 114464 126624 129262 130816 147728 149504 150528 168832 171696 192574 193893 196224 221592 224256 228928 253248 258524 261632 288861 295456 301056 337664 343392 385148 387786 392448 443184 448512 457856 506496 517048 523264 577722 590912 674009 675328 686784 770296 775572 784896 886368 915712 1012992 1034096 1046528 1155444 1181824 1348018 1350656 1373568 1540592 1551144 1569792 1772736 1831424 2022027 2025984 2068192 2310888 2363648 2696036 2701312 2747136 3081184 3102288 3139584 3545472 3662848 4044054 4051968 4136384 4621776 4718063 4727296 5392072 5494272 6162368 6204576 7090944 7325696 8088108 8103936 8272768 9243552 9436126 9454592 10784144 10988544 12324736 12409152 14154189 14181888 16176216 16545536 18487104 18872252 18909184 21568288 21977088 24649472 24818304 28308378 28363776 32352432 33091072 36974208 37744504 43136576 49298944 49636608 56616756 56727552 64704864 66182144 73948416 75489008 86273152 98597888 99273216 113233512 129409728 132364288 147896832 150978016 172546304 197195776 198546432 226467024 258819456 295793664 301956032 345092608 397092864 452934048 517638912 591587328 603912064 690185216 905868096 1035277824 1207824128 1380370432 1811736192 2070555648 2415648256 3623472384 4141111296 4831296512 7246944768 9662593024 14493889536 28987779072
• Sum of all divisors σ(n): 91199908800
• Sum of proper divisors (its aliquot sum) s(n): 62212129728
• 28987779072 is an abundant number, because the sum of its proper divisors (62212129728) is greater than itself. Its abundance is 33224350656

Bases of 28987779072

• Binary: 11010111111110011100110100000000000₂
• Hexadecimal: 0x6BFCE6800
• Base-36: DBEKPHC

Squares and roots of 28987779072

• 28987779072 squared (28987779072²) is 840291335527081181184
• 28987779072 cubed (28987779072³) is 24358179590374853953170595381248
• The square root of 28987779072 is 170257.9779980955
• The cube root of 28987779072 is 3071.8851953625

Scales and comparisons

• 28,987,779,072 seconds is equal to 921 years, 37 weeks, 3 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 28,987,779,072 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 28987779072 cubic inches would be around 256 feet tall.

Recreational maths with 28987779072

• 28987779072 backwards is 27097778982
• The number of decimal digits it has is: 11
• The sum of 28987779072's digits is 66
• More coming soon!