428245740

Names of 428245740

• Cardinal: 428245740 can be written as Four hundred twenty-eight million, two hundred forty-five thousand, seven hundred forty.

Scientific notation

• Scientific notation: 4.2824574 × 10⁸

Factors of 428245740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 228

Divisors of 428245740

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 23 26 30 36 39 45 46 52 60 65 69 73 78 90 92 109 115 117 130 138 146 156 180 195 207 218 219 230 234 260 276 292 299 327 345 365 390 414 436 438 460 468 545 585 598 654 657 690 730 780 828 876 897 949 981 1035 1090 1095 1170 1196 1308 1314 1380 1417 1460 1495 1635 1679 1794 1898 1962 2070 2180 2190 2340 2507 2628 2691 2834 2847 2990 3270 3285 3358 3588 3796 3924 4140 4251 4380 4485 4745 4905 5014 5037 5382 5668 5694 5980 6540 6570 6716 7085 7521 7957 8395 8502 8541 8970 9490 9810 10028 10074 10764 11388 12535 12753 13140 13455 14170 14235 15042 15111 15914 16790 17004 17082 17940 18980 19620 20148 21255 21827 22563 23871 25070 25185 25506 26910 28340 28470 30084 30222 31828 32591 33580 34164 37605 39785 42510 42705 43654 45126 47742 50140 50370 51012 53820 56940 60444 63765 65182 65481 71613 75210 75555 79570 85020 85410 87308 90252 95484 97773 100740 103441 109135 112815 119355 127530 130364 130962 143226 150420 151110 159140 162955 170820 183011 195546 196443 206882 218270 225630 238710 255060 261924 286452 293319 302220 310323 325910 327405 358065 366022 391092 392886 413764 436540 451260 477420 488865 517205 549033 586638 620646 651820 654810 716130 732044 785772 915055 930969 977730 982215 1034410 1098066 1173276 1241292 1309620 1432260 1466595 1551615 1647099 1830110 1861938 1955460 1964430 2068820 2196132 2379143 2745165 2933190 3103230 3294198 3660220 3723876 3928860 4654845 4758286 5490330 5866380 6206460 6588396 7137429 8235495 9309690 9516572 10980660 11895715 14274858 16470990 18619380 21412287 23791430 28549716 32941980 35687145 42824574 47582860 71374290 85649148 107061435 142748580 214122870 428245740
• Sum of all divisors σ(n): 1493331840
• Sum of proper divisors (its aliquot sum) s(n): 1065086100
• 428245740 is an abundant number, because the sum of its proper divisors (1065086100) is greater than itself. Its abundance is 636840360

Bases of 428245740

• Binary: 11001100001101000001011101100₂
• Hexadecimal: 0x198682EC
• Base-36: 72YSJ0

Squares and roots of 428245740

• 428245740 squared (428245740²) is 183394413828147600
• 428245740 cubed (428245740³) is 78537876461701301791224000
• The square root of 428245740 is 20694.0991589391
• The cube root of 428245740 is 753.7564077903

Scales and comparisons

• 428,245,740 seconds is equal to 13 years, 32 weeks, 13 hours, 9 minutes.
• To count from 1 to 428,245,740 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 428245740 cubic inches would be around 62.8 feet tall.

Recreational maths with 428245740

• 428245740 backwards is 047542824
• 428245740 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 428245740's digits is 36
• More coming soon!