28047987000

Names of 28047987000

• Cardinal: 28047987000 can be written as Twenty-eight billion, forty-seven million, nine hundred eighty-seven thousand.

Scientific notation

• Scientific notation: 2.8047987 × 10¹⁰

Factors of 28047987000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3975

Divisors of 28047987000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 25 30 33 36 40 44 45 50 55 60 66 72 73 75 88 90 99 100 110 120 125 132 146 150 165 180 198 200 219 220 225 250 264 275 292 300 330 360 365 375 396 438 440 450 495 500 550 584 600 657 660 730 750 792 803 825 876 900 990 1000 1095 1100 1125 1314 1320 1375 1460 1500 1606 1650 1752 1800 1825 1980 2190 2200 2250 2409 2475 2628 2750 2920 3000 3212 3285 3300 3650 3881 3960 4015 4125 4380 4500 4818 4950 5256 5475 5500 6424 6570 6600 7227 7300 7762 8030 8250 8760 9000 9125 9636 9900 10950 11000 11643 12045 12375 13140 14454 14600 15524 16060 16425 16500 18250 19272 19405 19800 20075 21900 23286 24090 24750 26280 27375 28908 31048 32120 32850 33000 34929 36135 36500 38810 40150 42691 43800 46572 48180 49500 54750 57816 58215 60225 65700 69858 72270 73000 77620 80300 82125 85382 93144 96360 97025 99000 100375 109500 116430 120450 128073 131400 139716 144540 155240 160600 164250 170764 174645 180675 194050 200750 213455 219000 232860 240900 256146 279432 283313 289080 291075 301125 328500 341528 349290 361350 384219 388100 401500 426910 465720 481800 485125 512292 566626 582150 602250 640365 657000 698580 722700 768438 776200 803000 849939 853820 873225 903375 970250 1024584 1067275 1133252 1164300 1204500 1280730 1397160 1416565 1445400 1455375 1536876 1699878 1707640 1746450 1806750 1921095 1940500 2134550 2266504 2328600 2409000 2549817 2561460 2833130 2910750 3073752 3116443 3201825 3399756 3492900 3613500 3842190 3881000 4249695 4269100 4366125 5099634 5122920 5336375 5666260 5821500 6232886 6403650 6799512 6985800 7082825 7227000 7684380 8499390 8538200 8732250 9349329 9605475 10199268 10672750 11332520 11643000 12465772 12749085 12807300 14165650 15368760 15582215 16009125 16998780 17464500 18698658 19210950 20398536 21248475 21345500 24931544 25498170 25614600 28047987 28331300 31164430 32018250 33997560 34929000 35414125 37397316 38421900 42496950 42691000 46746645 48027375 50996340 56095974 56662600 62328860 63745425 64036500 70828250 74794632 76843800 77911075 84993900 93493290 96054750 101992680 106242375 112191948 124657720 127490850 128073000 140239935 141656500 155822150 169987800 186986580 192109500 212484750 224383896 233733225 254981700 280479870 283313000 311644300 318727125 373973160 384219000 389555375 424969500 467466450 509963400 560959740 623288600 637454250 701199675 779110750 849939000 934932900 1121919480 1168666125 1274908500 1402399350 1558221500 1869865800 2337332250 2549817000 2804798700 3116443000 3505998375 4674664500 5609597400 7011996750 9349329000 14023993500 28047987000
• Sum of all divisors σ(n): 104864310720
• Sum of proper divisors (its aliquot sum) s(n): 76816323720
• 28047987000 is an abundant number, because the sum of its proper divisors (76816323720) is greater than itself. Its abundance is 48768336720

Bases of 28047987000

• Binary: 11010000111110010100101000100111000₂
• Hexadecimal: 0x687CA5138
• Base-36: CVV1PA0

Squares and roots of 28047987000

• 28047987000 squared (28047987000²) is 786689574752169000000
• 28047987000 cubed (28047987000³) is 22065058965684364333803000000000
• The square root of 28047987000 is 167475.3325119851
• The cube root of 28047987000 is 3038.3227055659

Scales and comparisons

• 28,047,987,000 seconds is equal to 891 years, 43 weeks, 4 days, 11 hours, 30 minutes.
• To count from 1 to 28,047,987,000 would take you about one thousand, seven hundred eighty-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 28047987000 cubic inches would be around 253.2 feet tall.

Recreational maths with 28047987000

• 28047987000 backwards is 00078974082
• 28047987000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28047987000's digits is 45
• More coming soon!