420144816

Names of 420144816

• Cardinal: 420144816 can be written as Four hundred twenty million, one hundred forty-four thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 4.20144816 × 10⁸

Factors of 420144816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 176

Divisors of 420144816

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 147 151 156 168 169 182 196 208 273 294 302 312 336 338 343 364 392 453 507 546 588 604 624 637 676 686 728 784 906 1014 1029 1057 1092 1176 1183 1208 1274 1352 1372 1456 1812 1911 1963 2028 2058 2114 2184 2352 2366 2416 2548 2704 2744 3171 3549 3624 3822 3926 4056 4116 4228 4368 4459 4732 5096 5488 5889 6342 7098 7248 7399 7644 7852 8112 8232 8281 8456 8918 9464 10192 11778 12684 13377 13741 14196 14798 15288 15704 16464 16562 16912 17836 18928 22197 23556 24843 25368 25519 26754 27482 28392 29596 30576 31408 33124 35672 41223 44394 47112 49686 50736 51038 51793 53508 54964 56784 57967 59192 66248 71344 76557 82446 88788 94224 96187 99372 102076 103586 107016 109928 115934 118384 132496 153114 155379 164892 173901 177576 178633 192374 198744 204152 207172 214032 219856 231868 288561 306228 310758 329784 347802 355152 357266 384748 397488 408304 414344 463736 535899 577122 612456 621516 659568 673309 695604 714532 769496 828688 927472 1071798 1154244 1224912 1243032 1250431 1346618 1391208 1429064 1538992 2019927 2143596 2308488 2486064 2500862 2693236 2782416 2858128 3751293 4039854 4287192 4616976 5001724 5386472 7502586 8079708 8574384 8753017 10003448 10772944 15005172 16159416 17506034 20006896 26259051 30010344 32318832 35012068 52518102 60020688 70024136 105036204 140048272 210072408 420144816
• Sum of all divisors σ(n): 1379673600
• Sum of proper divisors (its aliquot sum) s(n): 959528784
• 420144816 is an abundant number, because the sum of its proper divisors (959528784) is greater than itself. Its abundance is 539383968

Bases of 420144816

• Binary: 11001000010101110011010110000₂
• Hexadecimal: 0x190AE6B0
• Base-36: 6Y55TC

Squares and roots of 420144816

• 420144816 squared (420144816²) is 176521666411673856
• 420144816 cubed (420144816³) is 74164663054546092481130496
• The square root of 420144816 is 20497.4343760383
• The cube root of 420144816 is 748.9733009377

Scales and comparisons

• 420,144,816 seconds is equal to 13 years, 18 weeks, 4 days, 18 hours, 53 minutes, 36 seconds.
• To count from 1 to 420,144,816 would take you about twenty 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 420144816 cubic inches would be around 62.4 feet tall.

Recreational maths with 420144816

• 420144816 backwards is 618441024
• The number of decimal digits it has is: 9
• The sum of 420144816's digits is 30
• More coming soon!