197989740

Names of 197989740

• Cardinal: 197989740 can be written as One hundred ninety-seven million, nine hundred eighty-nine thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.9798974 × 10⁸

Factors of 197989740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 635

Divisors of 197989740

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 211 234 260 390 401 422 468 585 633 780 802 844 1055 1170 1203 1266 1604 1899 2005 2110 2340 2406 2532 2743 3165 3609 3798 4010 4220 4812 5213 5486 6015 6330 7218 7596 8020 8229 9495 10426 10972 12030 12660 13715 14436 15639 16458 18045 18990 20852 24060 24687 26065 27430 31278 32916 36090 37980 41145 46917 49374 52130 54860 62556 72180 78195 82290 84611 93834 98748 104260 123435 156390 164580 169222 187668 234585 246870 253833 312780 338444 423055 469170 493740 507666 761499 846110 938340 1015332 1099943 1269165 1522998 1692220 2199886 2538330 3045996 3299829 3807495 4399772 5076660 5499715 6599658 7614990 9899487 10999430 13199316 15229980 16499145 19798974 21998860 32998290 39597948 49497435 65996580 98994870 197989740
• Sum of all divisors σ(n): 651452256
• Sum of proper divisors (its aliquot sum) s(n): 453462516
• 197989740 is an abundant number, because the sum of its proper divisors (453462516) is greater than itself. Its abundance is 255472776

Bases of 197989740

• Binary: 1011110011010001010101101100₂
• Hexadecimal: 0xBCD156C
• Base-36: 39VLV0

Squares and roots of 197989740

• 197989740 squared (197989740²) is 39199937145267600
• 197989740 cubed (197989740³) is 7761185363407874354424000
• The square root of 197989740 is 14070.8827015223
• The cube root of 197989740 is 582.8376007823

Scales and comparisons

• 197,989,740 seconds is equal to 6 years, 15 weeks, 2 days, 13 hours, 9 minutes.
• To count from 1 to 197,989,740 would take you about 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 197989740 cubic inches would be around 48.6 feet tall.

Recreational maths with 197989740

• 197989740 backwards is 047989791
• The number of decimal digits it has is: 9
• The sum of 197989740's digits is 54
• More coming soon!