385374640

Names of 385374640

• Cardinal: 385374640 can be written as Three hundred eighty-five million, three hundred seventy-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.8537464 × 10⁸

Factors of 385374640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 405

Divisors of 385374640

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 79 80 112 124 140 155 158 217 248 280 281 310 316 395 434 496 553 560 562 620 632 790 868 1085 1106 1124 1240 1264 1405 1580 1736 1967 2170 2212 2248 2449 2480 2765 2810 3160 3472 3934 4340 4424 4496 4898 5530 5620 6320 7868 8680 8711 8848 9796 9835 11060 11240 12245 15736 17143 17360 17422 19592 19670 22120 22199 22480 24490 31472 34286 34844 39184 39340 43555 44240 44398 48980 60977 68572 69688 78680 85715 87110 88796 97960 110995 121954 137144 139376 155393 157360 171430 174220 177592 195920 221990 243908 274288 304885 310786 342860 348440 355184 443980 487816 609770 621572 685720 688169 696880 776965 887960 975632 1219540 1243144 1371440 1376338 1553930 1775920 2439080 2486288 2752676 3107860 3440845 4817183 4878160 5505352 6215720 6881690 9634366 11010704 12431440 13763380 19268732 24085915 27526760 38537464 48171830 55053520 77074928 96343660 192687320 385374640
• Sum of all divisors σ(n): 1074216960
• Sum of proper divisors (its aliquot sum) s(n): 688842320
• 385374640 is an abundant number, because the sum of its proper divisors (688842320) is greater than itself. Its abundance is 303467680

Bases of 385374640

• Binary: 10110111110000101100110110000₂
• Hexadecimal: 0x16F859B0
• Base-36: 6DFWZ4

Squares and roots of 385374640

• 385374640 squared (385374640²) is 148513613155129600
• 385374640 cubed (385374640³) is 57233380204757333753344000
• The square root of 385374640 is 19630.9612602135
• The cube root of 385374640 is 727.7145259965

Scales and comparisons

• 385,374,640 seconds is equal to 12 years, 13 weeks, 1 day, 8 hours, 30 minutes, 40 seconds.
• To count from 1 to 385,374,640 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 385374640 cubic inches would be around 60.6 feet tall.

Recreational maths with 385374640

• 385374640 backwards is 046473583
• 385374640 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 385374640's digits is 40
• More coming soon!