28894472880

Names of 28894472880

• Cardinal: 28894472880 can be written as Twenty-eight billion, eight hundred ninety-four million, four hundred seventy-two thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.889447288 × 10¹⁰

Factors of 28894472880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 932

Divisors of 28894472880

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 49 52 56 60 65 70 78 80 84 91 98 104 105 112 120 130 140 147 156 168 182 195 196 208 210 240 245 260 273 280 294 312 331 336 364 390 392 420 455 490 520 546 560 571 588 624 637 662 728 735 780 784 840 910 980 993 1040 1092 1142 1176 1274 1324 1365 1456 1470 1560 1655 1680 1713 1820 1911 1960 1986 2184 2284 2317 2352 2548 2648 2730 2855 2940 3120 3185 3310 3426 3640 3822 3920 3972 3997 4303 4368 4568 4634 4965 5096 5296 5460 5710 5880 6370 6620 6852 6951 7280 7423 7644 7944 7994 8565 8606 9136 9268 9555 9930 10192 10920 11420 11585 11760 11991 12740 12909 13240 13704 13902 14846 15288 15888 15988 16219 17130 17212 18536 19110 19860 19985 21515 21840 22269 22840 23170 23982 25480 25818 26480 27408 27804 27979 29692 30121 30576 31976 32438 34260 34424 34755 37072 37115 38220 39720 39970 43030 44538 45680 46340 47964 48657 50960 51636 51961 55608 55958 59384 59955 60242 63952 64545 64876 68520 68848 69510 74230 76440 79440 79940 81095 83937 86060 89076 90363 92680 95928 97314 103272 103922 111216 111345 111916 118768 119910 120484 129090 129752 137040 139020 139895 148460 150605 152880 155883 159880 162190 167874 172120 178152 180726 185360 189001 191856 194628 206544 207844 210847 222690 223832 239820 240968 243285 258180 259504 259805 278040 279790 296920 301210 311766 319760 324380 335748 344240 356304 361452 363727 378002 389256 415688 419685 421694 445380 447664 451815 479640 481936 486570 516360 519610 556080 559580 567003 593840 602420 623532 632541 648760 671496 722904 727454 756004 778512 779415 831376 839370 843388 890760 903630 945005 959280 973140 1032720 1039220 1054235 1091181 1119160 1134006 1204840 1247064 1265082 1297520 1323007 1342992 1445808 1454908 1512008 1558830 1678740 1686776 1781520 1807260 1818635 1890010 1946280 2078440 2108470 2182362 2238320 2268012 2409680 2457013 2494128 2530164 2646014 2835015 2909816 3024016 3117660 3162705 3357480 3373552 3614520 3637270 3780020 3892560 3969021 4156880 4216940 4364724 4536024 4914026 5060328 5292028 5455905 5670030 5819632 6235320 6325410 6615035 6714960 7229040 7274540 7371039 7560040 7938042 8433880 8729448 9072048 9261049 9828052 10120656 10584056 10911810 11340060 12285065 12470640 12650820 13230070 14549080 14742078 15120080 15876084 16867760 17199091 17458896 18522098 19656104 19845105 21168112 21823620 22680120 24570130 25301640 26460140 27783147 29098160 29484156 31752168 34398182 36855195 37044196 39312208 39690210 43647240 45360240 46305245 49140260 50603280 51597273 52920280 55566294 58968312 63504336 68796364 73710390 74088392 79380420 85995455 87294480 92610490 98280520 103194546 105840560 111132588 117936624 120393637 137592728 138915735 147420780 148176784 158760840 171990910 185220980 196561040 206389092 222265176 240787274 257986365 275185456 277831470 294841560 317521680 343981820 361180911 370441960 412778184 444530352 481574548 515972730 555662940 589683120 601968185 687963640 722361822 740883920 825556368 963149096 1031945460 1111325880 1203936370 1375927280 1444723644 1805904555 1926298192 2063890920 2222651760 2407872740 2889447288 3611809110 4127781840 4815745480 5778894576 7223618220 9631490960 14447236440 28894472880
• Sum of all divisors σ(n): 112748283648
• Sum of proper divisors (its aliquot sum) s(n): 83853810768
• 28894472880 is an abundant number, because the sum of its proper divisors (83853810768) is greater than itself. Its abundance is 54959337888

Bases of 28894472880

• Binary: 11010111010001111101010101010110000₂
• Hexadecimal: 0x6BA3EAAB0
• Base-36: D9V0TYO

Squares and roots of 28894472880

• 28894472880 squared (28894472880²) is 834890563013055494400
• 28894472880 cubed (28894472880³) is 24123722730748663068875791872000
• The square root of 28894472880 is 169983.7429873811
• The cube root of 28894472880 is 3068.5857130549

Scales and comparisons

• 28,894,472,880 seconds is equal to 918 years, 39 weeks, 1 day, 18 hours, 28 minutes.
• To count from 1 to 28,894,472,880 would take you about one thousand, eight hundred thirty-seven 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 28894472880 cubic inches would be around 255.7 feet tall.

Recreational maths with 28894472880

• 28894472880 backwards is 08827449882
• 28894472880 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28894472880's digits is 60
• More coming soon!