394542144

Names of 394542144

• Cardinal: 394542144 can be written as Three hundred ninety-four million, five hundred forty-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 3.94542144 × 10⁸

Factors of 394542144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 282

Divisors of 394542144

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 61 64 72 76 96 108 114 122 144 152 171 183 192 197 216 228 244 288 304 342 366 394 432 456 488 513 549 576 591 608 684 732 788 864 912 976 1026 1098 1159 1182 1216 1368 1464 1576 1647 1728 1773 1824 1952 2052 2196 2318 2364 2736 2928 3152 3294 3477 3546 3648 3743 3904 4104 4392 4636 4728 5319 5472 5856 6304 6588 6954 7092 7486 8208 8784 9272 9456 10431 10638 10944 11229 11712 12017 12608 13176 13908 14184 14972 16416 17568 18544 18912 20862 21276 22458 24034 26352 27816 28368 29944 31293 32832 33687 35136 36051 37088 37824 41724 42552 44916 48068 52704 55632 56736 59888 62586 67374 72102 74176 83448 85104 89832 96136 101061 105408 108153 111264 113472 119776 125172 134748 144204 166896 170208 179664 192272 202122 216306 222528 228323 239552 250344 269496 288408 324459 333792 340416 359328 384544 404244 432612 456646 500688 538992 576816 648918 667584 684969 718656 769088 808488 865224 913292 1001376 1077984 1153632 1297836 1369938 1616976 1730448 1826584 2002752 2054907 2155968 2307264 2595672 2739876 3233952 3460896 3653168 4109814 5191344 5479752 6164721 6467904 6921792 7306336 8219628 10382688 10959504 12329442 14612672 16439256 20765376 21919008 24658884 32878512 43838016 49317768 65757024 98635536 131514048 197271072 394542144
• Sum of all divisors σ(n): 1247241600
• Sum of proper divisors (its aliquot sum) s(n): 852699456
• 394542144 is an abundant number, because the sum of its proper divisors (852699456) is greater than itself. Its abundance is 458157312

Bases of 394542144

• Binary: 10111100001000011110001000000₂
• Hexadecimal: 0x17843C40
• Base-36: 6IWEO0

Squares and roots of 394542144

• 394542144 squared (394542144²) is 155663503392116736
• 394542144 cubed (394542144³) is 61415812370877009719721984
• The square root of 394542144 is 19863.0849567735
• The cube root of 394542144 is 733.4397891367

Scales and comparisons

• 394,542,144 seconds is equal to 12 years, 28 weeks, 2 days, 11 hours, 2 minutes, 24 seconds.
• To count from 1 to 394,542,144 would take you about eighteen 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 394542144 cubic inches would be around 61.1 feet tall.

Recreational maths with 394542144

• 394542144 backwards is 441245493
• 394542144 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 394542144's digits is 36
• More coming soon!