16991506168

Names of 16991506168

• Cardinal: 16991506168 can be written as Sixteen billion, nine hundred ninety-one million, five hundred six thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.6991506168 × 10¹⁰

Factors of 16991506168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1262

Divisors of 16991506168

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 53 56 91 98 104 106 182 196 212 364 371 392 424 637 689 728 742 1187 1274 1378 1484 2374 2548 2597 2756 2809 2968 4748 4823 5096 5194 5512 5618 8309 9496 9646 10388 11236 15431 16618 19292 19663 20776 22472 30862 33236 33761 36517 38584 39326 58163 61724 62911 66472 67522 73034 78652 108017 116326 123448 125822 135044 137641 146068 157304 216034 232652 251644 255619 270088 275282 292136 432068 440377 465304 503288 511238 550564 756119 817843 864136 880754 1022476 1101128 1512238 1635686 1761508 1789333 2044952 3024476 3082639 3271372 3334283 3523016 3578666 5724901 6048952 6165278 6542744 6668566 7157332 11449802 12330556 13337132 14314664 22899604 23339981 24661112 26674264 40074307 43345679 45799208 46679962 80148614 86691358 93359924 160297228 163379867 173382716 186719848 303419753 320594456 326759734 346765432 606839506 653519468 1213679012 1307038936 2123938271 2427358024 4247876542 8495753084 16991506168
• Sum of all divisors σ(n): 40712890680
• Sum of proper divisors (its aliquot sum) s(n): 23721384512
• 16991506168 is an abundant number, because the sum of its proper divisors (23721384512) is greater than itself. Its abundance is 6729878344

Bases of 16991506168

• Binary: 1111110100110001011100111011111000₂
• Hexadecimal: 0x3F4C5CEF8
• Base-36: 7T0AY2G

Squares and roots of 16991506168

• 16991506168 squared (16991506168²) is 288711281857182044224
• 16991506168 cubed (16991506168³) is 4905639526447495199530944773632
• The square root of 16991506168 is 130351.4716756201
• The cube root of 16991506168 is 2570.8532833597

Scales and comparisons

• 16,991,506,168 seconds is equal to 540 years, 14 weeks, 2 days, 22 hours, 49 minutes, 28 seconds.
• To count from 1 to 16,991,506,168 would take you about one thousand and eighty 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 16991506168 cubic inches would be around 214.2 feet tall.

Recreational maths with 16991506168

• 16991506168 backwards is 86160519961
• 16991506168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16991506168's digits is 52
• More coming soon!