28857388908880

Names of 28857388908880

• Cardinal: 28857388908880 can be written as Twenty-eight trillion, eight hundred fifty-seven billion, three hundred eighty-eight million, nine hundred eight thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.885738890888 × 10¹³

Factors of 28857388908880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 266367

Divisors of 28857388908880

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 163 280 326 560 652 815 1141 1193 1304 1630 2282 2386 2608 3260 4564 4772 5705 5965 6520 8351 9128 9544 11410 11930 13040 16702 18256 19088 22820 23860 33404 41755 45640 47720 66808 83510 91280 95440 133616 167020 194459 264997 334040 388918 529994 668080 777836 972295 1059988 1324985 1361213 1555672 1854979 1944590 2119976 2649970 2722426 3111344 3709958 3889180 4239952 5299940 5444852 6806065 7419916 7778360 9274895 10599880 10889704 13612130 14839832 15556720 18549790 21199760 21779408 27224260 29679664 37099580 43194511 54448520 74199160 86389022 108897040 148398320 172778044 215972555 302361577 316141421 345556088 431945110 604723154 632282842 691112176 863890220 1209446308 1264565684 1511807885 1580707105 1727780440 2212989947 2418892616 2529131368 3023615770 3161414210 3455560880 4425979894 4837785232 5058262736 6047231540 6322828420 8851959788 11064949735 12094463080 12645656840 17703919576 22129899470 24188926160 25291313680 35407839152 44259798940 51531051623 88519597880 103062103246 177039195760 206124206492 257655258115 360717361361 412248412984 515310516230 721434722722 824496825968 1030621032460 1442869445444 1803586806805 2061242064920 2885738890888 3607173613610 4122484129840 5771477781776 7214347227220 14428694454440 28857388908880
• Sum of all divisors σ(n): 77213582371584
• Sum of proper divisors (its aliquot sum) s(n): 48356193462704
• 28857388908880 is an abundant number, because the sum of its proper divisors (48356193462704) is greater than itself. Its abundance is 19498804553824

Bases of 28857388908880

• Binary: 110100011111011100010011010100100000101010000₂
• Hexadecimal: 0x1A3EE26A4150
• Base-36: A88WGA3PS

Squares and roots of 28857388908880

• 28857388908880 squared (28857388908880²) is 832748894638350436942854400
• 28857388908880 cubed (28857388908880³) is 24030958716018813597733428376928707072000
• The square root of 28857388908880 is 5371907.3808918187
• The cube root of 28857388908880 is 30672.7238158757

Scales and comparisons

• 28,857,388,908,880 seconds is equal to 917,575 years, 36 weeks, 4 days, 19 hours, 34 minutes, 40 seconds.
• To count from 1 to 28,857,388,908,880 would take you about two million, two hundred ninety-three thousand, nine hundred thirty-nine 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 28857388908880 cubic inches would be around 2556.1 feet tall.

Recreational maths with 28857388908880

• 28857388908880 backwards is 08880988375882
• The number of decimal digits it has is: 14
• The sum of 28857388908880's digits is 82
• More coming soon!