28149061440

Names of 28149061440

• Cardinal: 28149061440 can be written as Twenty-eight billion, one hundred forty-nine million, sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.814906144 × 10¹⁰

Factors of 28149061440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2171

Divisors of 28149061440

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 155 160 186 192 240 248 310 320 372 465 480 496 620 631 744 930 960 992 1240 1262 1488 1499 1860 1893 1984 2480 2524 2976 2998 3155 3720 3786 4497 4960 5048 5952 5996 6310 7440 7495 7572 8994 9465 9920 10096 11992 12620 14880 14990 15144 17988 18930 19561 20192 22485 23984 25240 29760 29980 30288 35976 37860 39122 40384 44970 46469 47968 50480 58683 59960 60576 71952 75720 78244 89940 92938 95936 97805 100960 117366 119920 121152 139407 143904 151440 156488 179880 185876 195610 201920 232345 234732 239840 278814 287808 293415 302880 312976 359760 371752 391220 464690 469464 479680 557628 586830 605760 625952 697035 719520 743504 782440 929380 938928 945869 1115256 1173660 1251904 1394070 1439040 1487008 1564880 1858760 1877856 1891738 2230512 2347320 2788140 2837607 2974016 3129760 3717520 3755712 3783476 4461024 4694640 4729345 5576280 5675214 6259520 7435040 7566952 8922048 9389280 9458690 11152560 11350428 14188035 14870080 15133904 18778560 18917380 22305120 22700856 28376070 29321939 30267808 37834760 44610240 45401712 56752140 58643878 60535616 75669520 87965817 90803424 113504280 117287756 146609695 151339040 175931634 181606848 227008560 234575512 293219390 302678080 351863268 439829085 454017120 469151024 586438780 703726536 879658170 908034240 938302048 1172877560 1407453072 1759316340 1876604096 2345755120 2814906144 3518632680 4691510240 5629812288 7037265360 9383020480 14074530720 28149061440
• Sum of all divisors σ(n): 92464128000
• Sum of proper divisors (its aliquot sum) s(n): 64315066560
• 28149061440 is an abundant number, because the sum of its proper divisors (64315066560) is greater than itself. Its abundance is 36166005120

Bases of 28149061440

• Binary: 11010001101110100001001011101000000₂
• Hexadecimal: 0x68DD09740
• Base-36: CXJ82TC

Squares and roots of 28149061440

• 28149061440 squared (28149061440²) is 792369659952894873600
• 28149061440 cubed (28149061440³) is 22304462241205945302827433984000
• The square root of 28149061440 is 167776.8203298655
• The cube root of 28149061440 is 3041.9679893375

Scales and comparisons

• 28,149,061,440 seconds is equal to 895 years, 2 weeks, 5 days, 7 hours, 44 minutes.
• To count from 1 to 28,149,061,440 would take you about one thousand, seven hundred ninety 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 28149061440 cubic inches would be around 253.5 feet tall.

Recreational maths with 28149061440

• 28149061440 backwards is 04416094182
• The number of decimal digits it has is: 11
• The sum of 28149061440's digits is 39
• More coming soon!