155327997430

Names of 155327997430

• Cardinal: 155327997430 can be written as One hundred fifty-five billion, three hundred twenty-seven million, nine hundred ninety-seven thousand, four hundred thirty.

Scientific notation

• Scientific notation: 1.5532799743 × 10¹¹

Factors of 155327997430

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4021

Divisors of 155327997430

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 43 86 103 206 215 430 515 1030 1451 2417 2902 4429 4834 7255 8858 12085 14510 22145 24170 44290 62393 103931 124786 149453 207862 248951 298906 311965 497902 519655 623930 747265 1039310 1244755 1494530 2489510 3507067 6426479 7014134 10704893 12852958 17535335 21409786 32132395 35070670 53524465 64264790 107048930 150803881 301607762 361227901 722455802 754019405 1508038810 1806139505 3612279010 15532799743 31065599486 77663998715 155327997430
• Sum of all divisors σ(n): 289188776448
• Sum of proper divisors (its aliquot sum) s(n): 133860779018
• 155327997430 is a deficient number, because the sum of its proper divisors (133860779018) is less than itself. Its deficiency is 21467218412

Bases of 155327997430

• Binary: 10010000101010010001010010010111110110₂
• Hexadecimal: 0x242A4525F6
• Base-36: 1ZCUA1VA

Squares and roots of 155327997430

• 155327997430 squared (155327997430²) is 24126786785614086604900
• 155327997430 cubed (155327997430³) is 3747565475830022805137704625407000
• The square root of 155327997430 is 394116.7307156599
• The cube root of 155327997430 is 5375.4717154997

Scales and comparisons

• 155,327,997,430 seconds is equal to 4,938 years, 49 weeks, 2 days, 17 hours, 57 minutes, 10 seconds.
• To count from 1 to 155,327,997,430 would take you about nine thousand, eight hundred seventy-seven 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 155327997430 cubic inches would be around 448 feet tall.

Recreational maths with 155327997430

• 155327997430 backwards is 034799723551
• The number of decimal digits it has is: 12
• The sum of 155327997430's digits is 55
• More coming soon!