142989660

Names of 142989660

• Cardinal: 142989660 can be written as One hundred forty-two million, nine hundred eighty-nine thousand, six hundred sixty.

Scientific notation

• Scientific notation: 1.4298966 × 10⁸

Factors of 142989660

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 559

Divisors of 142989660

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 257 281 330 396 495 514 562 660 771 843 990 1028 1124 1285 1405 1542 1686 1980 2313 2529 2570 2810 2827 3084 3091 3372 3855 4215 4626 5058 5140 5620 5654 6182 7710 8430 8481 9252 9273 10116 11308 11565 12364 12645 14135 15420 15455 16860 16962 18546 23130 25290 25443 27819 28270 30910 33924 37092 42405 46260 46365 50580 50886 55638 56540 61820 72217 84810 92730 101772 111276 127215 139095 144434 169620 185460 216651 254430 278190 288868 361085 433302 508860 556380 649953 722170 794387 866604 1083255 1299906 1444340 1588774 2166510 2383161 2599812 3177548 3249765 3971935 4333020 4766322 6499530 7149483 7943870 9532644 11915805 12999060 14298966 15887740 23831610 28597932 35747415 47663220 71494830 142989660
• Sum of all divisors σ(n): 476697312
• Sum of proper divisors (its aliquot sum) s(n): 333707652
• 142989660 is an abundant number, because the sum of its proper divisors (333707652) is greater than itself. Its abundance is 190717992

Bases of 142989660

• Binary: 1000100001011101100101011100₂
• Hexadecimal: 0x885D95C
• Base-36: 2D4RJ0

Squares and roots of 142989660

• 142989660 squared (142989660²) is 20446042866915600
• 142989660 cubed (142989660³) is 2923572717885686892696000
• The square root of 142989660 is 11957.8283981667
• The cube root of 142989660 is 522.9195488661

Scales and comparisons

• 142,989,660 seconds is equal to 4 years, 28 weeks, 2 days, 23 hours, 21 minutes.
• To count from 1 to 142,989,660 would take you about six 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 142989660 cubic inches would be around 43.6 feet tall.

Recreational maths with 142989660

• 142989660 backwards is 066989241
• 142989660 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142989660's digits is 45
• More coming soon!