390232128

Names of 390232128

• Cardinal: 390232128 can be written as Three hundred ninety million, two hundred thirty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.90232128 × 10⁸

Factors of 390232128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 323

Divisors of 390232128

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 44 48 52 61 64 66 78 88 96 104 122 132 143 156 176 183 192 208 233 244 264 286 312 352 366 416 429 466 488 528 572 624 671 699 704 732 793 832 858 932 976 1056 1144 1248 1342 1398 1464 1586 1716 1864 1952 2013 2112 2288 2379 2496 2563 2684 2796 2928 3029 3172 3432 3728 3904 4026 4576 4758 5126 5368 5592 5856 6058 6344 6864 7456 7689 8052 8723 9087 9152 9516 10252 10736 11184 11712 12116 12688 13728 14213 14912 15378 16104 17446 18174 19032 20504 21472 22368 24232 25376 26169 27456 28426 30756 32208 33319 34892 36348 38064 41008 42639 42944 44736 48464 50752 52338 56852 61512 64416 66638 69784 72696 76128 82016 85278 96928 99957 104676 113704 123024 128832 133276 139568 145392 152256 156343 164032 170556 184769 193856 199914 209352 227408 246048 266552 279136 290784 312686 341112 369538 399828 418704 454816 469029 492096 533104 554307 558272 581568 625372 682224 739076 799656 837408 909632 938058 1066208 1108614 1250744 1364448 1478152 1599312 1674816 1876116 2032459 2132416 2217228 2501488 2728896 2956304 3198624 3752232 4064918 4434456 5002976 5912608 6097377 6397248 7504464 8129836 8868912 10005952 11825216 12194754 15008928 16259672 17737824 24389508 30017856 32519344 35475648 48779016 65038688 97558032 130077376 195116064 390232128
• Sum of all divisors σ(n): 1238170752
• Sum of proper divisors (its aliquot sum) s(n): 847938624
• 390232128 is an abundant number, because the sum of its proper divisors (847938624) is greater than itself. Its abundance is 457706496

Bases of 390232128

• Binary: 10111010000100111100001000000₂
• Hexadecimal: 0x17427840
• Base-36: 6GC11C

Squares and roots of 390232128

• 390232128 squared (390232128²) is 152281113723408384
• 390232128 cubed (390232128³) is 59424983062495657101361152
• The square root of 390232128 is 19754.2939129699
• The cube root of 390232128 is 730.7592825455

Scales and comparisons

• 390,232,128 seconds is equal to 12 years, 21 weeks, 1 day, 13 hours, 48 minutes, 48 seconds.
• To count from 1 to 390,232,128 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 390232128 cubic inches would be around 60.9 feet tall.

Recreational maths with 390232128

• 390232128 backwards is 821232093
• The number of decimal digits it has is: 9
• The sum of 390232128's digits is 30
• More coming soon!