7149938688

Names of 7149938688

• Cardinal: 7149938688 can be written as Seven billion, one hundred forty-nine million, nine hundred thirty-eight thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 7.149938688 × 10⁹

Factors of 7149938688

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 4794

Divisors of 7149938688

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 729 768 864 972 1024 1152 1296 1458 1536 1728 1944 2048 2304 2592 2916 3072 3456 3888 4608 4789 5184 5832 6144 6912 7776 9216 9578 10368 11664 13824 14367 15552 18432 19156 20736 23328 27648 28734 31104 38312 41472 43101 46656 55296 57468 62208 76624 82944 86202 93312 114936 124416 129303 153248 165888 172404 186624 229872 248832 258606 306496 344808 373248 387909 459744 497664 517212 612992 689616 746496 775818 919488 1034424 1163727 1225984 1379232 1492992 1551636 1838976 2068848 2327454 2451968 2758464 3103272 3491181 3677952 4137696 4654908 4903936 5516928 6206544 6982362 7355904 8275392 9309816 9807872 11033856 12413088 13964724 14711808 16550784 18619632 22067712 24826176 27929448 29423616 33101568 37239264 44135424 49652352 55858896 66203136 74478528 88270848 99304704 111717792 132406272 148957056 198609408 223435584 264812544 297914112 397218816 446871168 595828224 794437632 893742336 1191656448 1787484672 2383312896 3574969344 7149938688
• Sum of all divisors σ(n): 21439249650
• Sum of proper divisors (its aliquot sum) s(n): 14289310962
• 7149938688 is an abundant number, because the sum of its proper divisors (14289310962) is greater than itself. Its abundance is 7139372274

Bases of 7149938688

• Binary: 110101010001010110110100000000000₂
• Hexadecimal: 0x1AA2B6800
• Base-36: 3A8W000

Squares and roots of 7149938688

• 7149938688 squared (7149938688²) is 51121623242159161344
• 7149938688 cubed (7149938688³) is 365516471812473780347099676672
• The square root of 7149938688 is 84557.3100802053
• The cube root of 7149938688 is 1926.4930172927

Scales and comparisons

• 7,149,938,688 seconds is equal to 227 years, 17 weeks, 6 days, 22 hours, 4 minutes, 48 seconds.
• To count from 1 to 7,149,938,688 would take you about four hundred fifty-four 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 7149938688 cubic inches would be around 160.5 feet tall.

Recreational maths with 7149938688

• 7149938688 backwards is 8868399417
• The number of decimal digits it has is: 10
• The sum of 7149938688's digits is 63
• More coming soon!