1390305168

Names of 1390305168

• Cardinal: 1390305168 can be written as One billion, three hundred ninety million, three hundred five thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.390305168 × 10⁹

Factors of 1390305168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7610

Divisors of 1390305168

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 61 63 72 84 108 112 122 126 144 168 183 189 216 244 252 336 366 378 427 432 488 504 549 732 756 854 976 1008 1098 1281 1464 1512 1647 1708 2196 2562 2928 3024 3294 3416 3843 4392 5124 6588 6832 7537 7686 8784 10248 11529 13176 15074 15372 20496 22611 23058 26352 30148 30744 45222 46116 52759 60296 61488 67833 90444 92232 105518 120592 135666 158277 180888 184464 203499 211036 271332 316554 361776 406998 422072 459757 474831 542664 633108 813996 844144 919514 949662 1085328 1266216 1379271 1424493 1627992 1839028 1899324 2532432 2758542 2848986 3218299 3255984 3678056 3798648 4137813 5517084 5697972 6436598 7356112 7597296 8275626 9654897 11034168 11395944 12413439 12873196 16551252 19309794 22068336 22791888 24826878 25746392 28964691 33102504 38619588 49653756 51492784 57929382 66205008 77239176 86894073 99307512 115858764 154478352 173788146 198615024 231717528 347576292 463435056 695152584 1390305168
• Sum of all divisors σ(n): 4636171520
• Sum of proper divisors (its aliquot sum) s(n): 3245866352
• 1390305168 is an abundant number, because the sum of its proper divisors (3245866352) is greater than itself. Its abundance is 1855561184

Bases of 1390305168

• Binary: 1010010110111100101111110010000₂
• Hexadecimal: 0x52DE5F90
• Base-36: MZR2C0

Squares and roots of 1390305168

• 1390305168 squared (1390305168²) is 1932948460167508224
• 1390305168 cubed (1390305168³) is 2687388233648528829509701632
• The square root of 1390305168 is 37286.7961616439
• The cube root of 1390305168 is 1116.1006961979

Scales and comparisons

• 1,390,305,168 seconds is equal to 44 years, 10 weeks, 5 days, 11 hours, 52 minutes, 48 seconds.
• To count from 1 to 1,390,305,168 would take you about eighty-eight 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 1390305168 cubic inches would be around 93 feet tall.

Recreational maths with 1390305168

• 1390305168 backwards is 8615030931
• 1390305168 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1390305168's digits is 36
• More coming soon!