6435139984

Names of 6435139984

• Cardinal: 6435139984 can be written as Six billion, four hundred thirty-five million, one hundred thirty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 6.435139984 × 10⁹

Factors of 6435139984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 687

Divisors of 6435139984

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 47 52 56 91 94 104 112 182 188 208 271 329 347 364 376 542 611 658 694 728 752 1084 1222 1316 1388 1456 1897 2168 2429 2444 2632 2776 3523 3794 4277 4336 4511 4858 4888 5264 5552 7046 7588 8554 9022 9716 9776 12737 14092 15176 16309 17108 18044 19432 24661 25474 28184 30352 31577 32618 34216 36088 38864 49322 50948 56368 63154 65236 68432 72176 89159 94037 98644 101896 114163 126308 130472 165581 178318 188074 197288 203792 212017 228326 252616 260944 331162 356636 376148 394576 424034 456652 505232 658259 662324 713272 752296 848068 913304 1159067 1222481 1316518 1324648 1426544 1484119 1504592 1696136 1826608 2318134 2444962 2633036 2649296 2968238 3392272 4419739 4636268 4889924 5266072 5936476 8557367 8839478 9272536 9779848 10532144 11872952 17114734 17678956 18545072 19559696 23745904 30938173 34229468 35357912 57456607 61876346 68458936 70715824 114913214 123752692 136917872 229826428 247505384 402196249 459652856 495010768 804392498 919305712 1608784996 3217569992 6435139984
• Sum of all divisors σ(n): 15774990336
• Sum of proper divisors (its aliquot sum) s(n): 9339850352
• 6435139984 is an abundant number, because the sum of its proper divisors (9339850352) is greater than itself. Its abundance is 2904710368

Bases of 6435139984

• Binary: 101111111100100000111000110010000₂
• Hexadecimal: 0x17F907190
• Base-36: 2YFBDSG

Squares and roots of 6435139984

• 6435139984 squared (6435139984²) is 41411026613675520256
• 6435139984 cubed (6435139984³) is 266485753140151461601387515904
• The square root of 6435139984 is 80219.3242554435
• The cube root of 6435139984 is 1860.0273615277

Scales and comparisons

• 6,435,139,984 seconds is equal to 204 years, 32 weeks, 18 hours, 53 minutes, 4 seconds.
• To count from 1 to 6,435,139,984 would take you about four hundred nine 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 6435139984 cubic inches would be around 155 feet tall.

Recreational maths with 6435139984

• 6435139984 backwards is 4899315346
• 6435139984 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6435139984's digits is 52
• More coming soon!