42979129778

Names of 42979129778

• Cardinal: 42979129778 can be written as Forty-two billion, nine hundred seventy-nine million, one hundred twenty-nine thousand, seven hundred seventy-eight.

Scientific notation

• Scientific notation: 4.2979129778 × 10¹⁰

Factors of 42979129778

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 988

Divisors of 42979129778

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 13 19 26 38 41 43 61 82 86 122 247 494 533 559 779 793 809 817 1066 1118 1159 1558 1586 1618 1634 1763 2318 2501 2623 3526 5002 5246 10127 10517 10621 15067 15371 20254 21034 21242 22919 30134 30742 32513 33169 33497 34099 34787 45838 47519 49349 49837 65026 66338 66994 68198 69574 95038 98698 99674 107543 199823 215086 399646 431197 435461 452231 617747 630211 641537 647881 660953 862394 870922 904462 937631 1235494 1260422 1283074 1295762 1321906 1398059 1426267 1875262 2023309 2043317 2122007 2796118 2852534 4046618 4086634 4244014 8192743 8592389 12189203 16385486 17184778 18541471 24378406 26303017 26563121 27099073 27586091 37082942 38442871 40318133 52606034 53126242 54198146 55172182 76885742 80636266 87002287 174004574 352287949 499757323 524135729 704575898 999514646 1048271458 1131029731 1653043453 2262059462 3306086906 21489564889 42979129778
• Sum of all divisors σ(n): 77957510400
• Sum of proper divisors (its aliquot sum) s(n): 34978380622
• 42979129778 is a deficient number, because the sum of its proper divisors (34978380622) is less than itself. Its deficiency is 8000749156

Bases of 42979129778

• Binary: 101000000001110000010111100110110010₂
• Hexadecimal: 0xA01C179B2
• Base-36: JQSNWS2

Squares and roots of 42979129778

• 42979129778 squared (42979129778²) is 1847205596474166329284
• 42979129778 cubed (42979129778³) is 79391289057511093890654917818952
• The square root of 42979129778 is 207314.0848519463
• The cube root of 42979129778 is 3502.8311725755

Scales and comparisons

• 42,979,129,778 seconds is equal to 1,366 years, 31 weeks, 2 days, 15 hours, 9 minutes, 38 seconds.
• To count from 1 to 42,979,129,778 would take you about two thousand, seven hundred thirty-three 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 42979129778 cubic inches would be around 291.9 feet tall.

Recreational maths with 42979129778

• 42979129778 backwards is 87792197924
• The number of decimal digits it has is: 11
• The sum of 42979129778's digits is 65
• More coming soon!