1091380420

Names of 1091380420

• Cardinal: 1091380420 can be written as One billion, ninety-one million, three hundred eighty thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.09138042 × 10⁹

Factors of 1091380420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 208

Divisors of 1091380420

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 13 20 26 31 43 47 52 62 65 67 86 94 124 130 134 155 172 188 215 235 260 268 310 335 403 430 470 559 611 620 670 806 860 871 940 1118 1222 1333 1340 1457 1612 1742 2015 2021 2077 2236 2444 2666 2795 2881 2914 3055 3149 3484 4030 4042 4154 4355 5332 5590 5762 5828 6110 6298 6665 7285 8060 8084 8308 8710 10105 10385 11180 11524 12220 12596 13330 14405 14570 15745 17329 17420 18941 20210 20770 26273 26660 27001 28810 29140 31490 34658 37453 37882 40420 40937 41540 52546 54002 57620 62651 62980 69316 74906 75764 81874 86645 89311 94705 97619 105092 108004 125302 131365 135005 135407 149812 163748 173290 178622 187265 189410 195238 204685 250604 262730 270010 270814 313255 346580 357244 374530 378820 390476 409370 446555 488095 525460 540020 541628 626510 677035 749060 814463 818740 893110 976190 1161043 1253020 1269047 1354070 1628926 1760291 1786220 1952380 2322086 2538094 2708140 3257852 3520582 4072315 4197617 4644172 5076188 5805215 6345235 7041164 8144630 8395234 8801455 11610430 12690470 16289260 16790468 17602910 20988085 23220860 25380940 35205820 41976170 54569021 83952340 109138042 218276084 272845105 545690210 1091380420
• Sum of all divisors σ(n): 2702278656
• Sum of proper divisors (its aliquot sum) s(n): 1610898236
• 1091380420 is an abundant number, because the sum of its proper divisors (1610898236) is greater than itself. Its abundance is 519517816

Bases of 1091380420

• Binary: 1000001000011010010010011000100₂
• Hexadecimal: 0x410D24C4
• Base-36: I1S2IS

Squares and roots of 1091380420

• 1091380420 squared (1091380420²) is 1191111221159376400
• 1091380420 cubed (1091380420³) is 1299955464815633102370088000
• The square root of 1091380420 is 33036.0472817195
• The cube root of 1091380420 is 1029.5767324869

Scales and comparisons

• 1,091,380,420 seconds is equal to 34 years, 36 weeks, 3 days, 17 hours, 13 minutes, 40 seconds.
• To count from 1 to 1,091,380,420 would take you about sixty-nine 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 1091380420 cubic inches would be around 85.8 feet tall.

Recreational maths with 1091380420

• 1091380420 backwards is 0240831901
• The number of decimal digits it has is: 10
• The sum of 1091380420's digits is 28
• More coming soon!