145748480

Names of 145748480

• Cardinal: 145748480 can be written as One hundred forty-five million, seven hundred forty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.4574848 × 10⁸

Factors of 145748480

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 221

Divisors of 145748480

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 197 256 272 289 320 340 394 512 544 578 640 680 788 985 1088 1156 1280 1360 1445 1576 1970 2176 2312 2560 2720 2890 3152 3349 3940 4352 4624 5440 5780 6304 6698 7880 8704 9248 10880 11560 12608 13396 15760 16745 18496 21760 23120 25216 26792 31520 33490 36992 43520 46240 50432 53584 56933 63040 66980 73984 92480 100864 107168 113866 126080 133960 147968 184960 214336 227732 252160 267920 284665 369920 428672 455464 504320 535840 569330 739840 857344 910928 1071680 1138660 1714688 1821856 2143360 2277320 3643712 4286720 4554640 7287424 8573440 9109280 14574848 18218560 29149696 36437120 72874240 145748480
• Sum of all divisors σ(n): 373104468
• Sum of proper divisors (its aliquot sum) s(n): 227355988
• 145748480 is an abundant number, because the sum of its proper divisors (227355988) is greater than itself. Its abundance is 81607508

Bases of 145748480

• Binary: 1000101011111111001000000000₂
• Hexadecimal: 0x8AFF200
• Base-36: 2ERW8W

Squares and roots of 145748480

• 145748480 squared (145748480²) is 21242619422310400
• 145748480 cubed (145748480³) is 3096079492020218888192000
• The square root of 145748480 is 12072.6335155177
• The cube root of 145748480 is 526.2611915855

Scales and comparisons

• 145,748,480 seconds is equal to 4 years, 32 weeks, 6 days, 21 hours, 41 minutes, 20 seconds.
• To count from 1 to 145,748,480 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 145748480 cubic inches would be around 43.9 feet tall.

Recreational maths with 145748480

• 145748480 backwards is 084847541
• The number of decimal digits it has is: 9
• The sum of 145748480's digits is 41
• More coming soon!