16991493820

Names of 16991493820

• Cardinal: 16991493820 can be written as Sixteen billion, nine hundred ninety-one million, four hundred ninety-three thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.699149382 × 10¹⁰

Factors of 16991493820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1683

Divisors of 16991493820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 29 35 49 58 70 98 116 140 145 196 203 245 290 406 490 547 580 812 980 1015 1093 1094 1421 2030 2186 2188 2735 2842 3829 4060 4372 5465 5470 5684 7105 7651 7658 10930 10940 14210 15302 15316 15863 19145 21860 26803 28420 30604 31697 31726 38255 38290 53557 53606 63394 63452 76510 76580 79315 107114 107212 111041 126788 134015 153020 158485 158630 214228 221879 222082 267785 268030 316970 317260 443758 444164 535570 536060 555205 597871 633940 777287 887516 1071140 1109395 1110410 1195742 1553153 1554574 2218790 2220820 2391484 2989355 3106306 3109148 3886435 4185097 4437580 5978710 6212612 7765765 7772870 8370194 11957420 15531530 15545740 16740388 17338259 20925485 29295679 31063060 34676518 41850970 58591358 69353036 83701940 86691295 117182716 121367813 146478395 173382590 242735626 292956790 346765180 485471252 585913580 606839065 849574691 1213678130 1699149382 2427356260 3398298764 4247873455 8495746910 16991493820
• Sum of all divisors σ(n): 43056951840
• Sum of proper divisors (its aliquot sum) s(n): 26065458020
• 16991493820 is an abundant number, because the sum of its proper divisors (26065458020) is greater than itself. Its abundance is 9073964200

Bases of 16991493820

• Binary: 1111110100110001011001111010111100₂
• Hexadecimal: 0x3F4C59EBC
• Base-36: 7T0AOJG

Squares and roots of 16991493820

• 16991493820 squared (16991493820²) is 288710862235098192400
• 16991493820 cubed (16991493820³) is 4905628831434542323257770968000
• The square root of 16991493820 is 130351.4243113591
• The cube root of 16991493820 is 2570.8526605993

Scales and comparisons

• 16,991,493,820 seconds is equal to 540 years, 14 weeks, 2 days, 19 hours, 23 minutes, 40 seconds.
• To count from 1 to 16,991,493,820 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 16991493820 cubic inches would be around 214.2 feet tall.

Recreational maths with 16991493820

• 16991493820 backwards is 02839419961
• The number of decimal digits it has is: 11
• The sum of 16991493820's digits is 52
• More coming soon!