16398857664

Names of 16398857664

• Cardinal: 16398857664 can be written as Sixteen billion, three hundred ninety-eight million, eight hundred fifty-seven thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.6398857664 × 10¹⁰

Factors of 16398857664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 38130

Divisors of 16398857664

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 107 112 126 144 168 192 214 224 252 288 321 336 428 448 504 576 642 672 749 856 963 1008 1284 1344 1498 1712 1926 2016 2247 2568 2996 3424 3852 4032 4494 5136 5992 6741 6848 7704 8988 10272 11984 13482 15408 17976 20544 23968 26964 30816 35952 38011 47936 53928 61632 71904 76022 107856 114033 143808 152044 215712 228066 266077 304088 342099 431424 456132 532154 608176 684198 798231 912264 1064308 1216352 1368396 1596462 1824528 2128616 2394693 2432704 2736792 3192924 3649056 4067177 4257232 4789386 5473584 6385848 7298112 8134354 8514464 9578772 10947168 12201531 12771696 16268708 17028928 19157544 21894336 24403062 25543392 28470239 32537416 36604593 38315088 48806124 51086784 56940478 65074832 73209186 76630176 85410717 97612248 113880956 130149664 146418372 153260352 170821434 195224496 227761912 256232151 260299328 292836744 341642868 390448992 455523824 512464302 585673488 683285736 780897984 911047648 1024928604 1171346976 1366571472 1822095296 2049857208 2342693952 2733142944 4099714416 5466285888 8199428832 16398857664
• Sum of all divisors σ(n): 54222749568
• Sum of proper divisors (its aliquot sum) s(n): 37823891904
• 16398857664 is an abundant number, because the sum of its proper divisors (37823891904) is greater than itself. Its abundance is 21425034240

Bases of 16398857664

• Binary: 1111010001011100101011010111000000₂
• Hexadecimal: 0x3D172B5C0
• Base-36: 7J7GFK0

Squares and roots of 16398857664

• 16398857664 squared (16398857664²) is 268922532684131536896
• 16398857664 cubed (16398857664³) is 4410022336129460945011068370944
• The square root of 16398857664 is 128058.0245982265
• The cube root of 16398857664 is 2540.6091944043

Scales and comparisons

• 16,398,857,664 seconds is equal to 521 years, 22 weeks, 3 days, 14 hours, 14 minutes, 24 seconds.
• To count from 1 to 16,398,857,664 would take you about one thousand and forty-two 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 16398857664 cubic inches would be around 211.7 feet tall.

Recreational maths with 16398857664

• 16398857664 backwards is 46675889361
• 16398857664 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16398857664's digits is 63
• More coming soon!