1428513408

Names of 1428513408

• Cardinal: 1428513408 can be written as One billion, four hundred twenty-eight million, five hundred thirteen thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.428513408 × 10⁹

Factors of 1428513408

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 12

Divisors of 1428513408

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 216 224 243 252 288 324 336 378 384 432 448 486 504 567 576 648 672 729 756 864 896 972 1008 1134 1152 1296 1344 1458 1512 1701 1728 1944 2016 2187 2268 2592 2688 2916 3024 3402 3456 3888 4032 4374 4536 5103 5184 5832 6048 6561 6804 7776 8064 8748 9072 10206 10368 11664 12096 13122 13608 15309 15552 17496 18144 19683 20412 23328 24192 26244 27216 30618 31104 34992 36288 39366 40824 45927 46656 52488 54432 59049 61236 69984 72576 78732 81648 91854 93312 104976 108864 118098 122472 137781 139968 157464 163296 177147 183708 209952 217728 236196 244944 275562 279936 314928 326592 354294 367416 413343 419904 472392 489888 531441 551124 629856 653184 708588 734832 826686 839808 944784 979776 1062882 1102248 1240029 1259712 1417176 1469664 1594323 1653372 1889568 1959552 2125764 2204496 2480058 2519424 2834352 2939328 3188646 3306744 3720087 3779136 4251528 4408992 4960116 5668704 5878656 6377292 6613488 7440174 7558272 8503056 8817984 9920232 11160261 11337408 12754584 13226976 14880348 17006112 17635968 19840464 22320522 22674816 25509168 26453952 29760696 34012224 39680928 44641044 51018336 52907904 59521392 68024448 79361856 89282088 102036672 119042784 158723712 178564176 204073344 238085568 357128352 476171136 714256704 1428513408
• Sum of all divisors σ(n): 4878627360
• Sum of proper divisors (its aliquot sum) s(n): 3450113952
• 1428513408 is an abundant number, because the sum of its proper divisors (3450113952) is greater than itself. Its abundance is 2021600544

Bases of 1428513408

• Binary: 1010101001001010110001010000000₂
• Hexadecimal: 0x55256280
• Base-36: NMI000

Squares and roots of 1428513408

• 1428513408 squared (1428513408²) is 2040650556835774464
• 1428513408 cubed (1428513408³) is 2915096681482569875888013312
• The square root of 1428513408 is 37795.6797531147
• The cube root of 1428513408 is 1126.2326329433

Scales and comparisons

• 1,428,513,408 seconds is equal to 45 years, 21 weeks, 6 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 1,428,513,408 would take you about 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 1428513408 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428513408

• 1428513408 backwards is 8043158241
• 1428513408 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1428513408's digits is 36
• More coming soon!