1813122090

Names of 1813122090

• Cardinal: 1813122090 can be written as One billion, eight hundred thirteen million, one hundred twenty-two thousand and ninety.

Scientific notation

• Scientific notation: 1.81312209 × 10⁹

Factors of 1813122090

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 400

Divisors of 1813122090

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 41 43 45 54 65 78 82 86 90 117 123 129 130 135 195 205 215 234 246 258 270 293 351 369 387 390 410 430 533 559 585 586 615 645 702 738 774 879 1066 1107 1118 1161 1170 1230 1290 1465 1599 1677 1755 1758 1763 1845 1935 2214 2322 2637 2665 2795 2930 3198 3354 3510 3526 3690 3809 3870 4395 4797 5031 5274 5289 5330 5535 5590 5805 7618 7911 7995 8385 8790 8815 9594 10062 10578 11070 11427 11610 12013 12599 13185 14391 15093 15822 15867 15990 16770 17630 19045 22854 22919 23985 24026 25155 25198 26370 26445 28782 30186 31734 34281 36039 37797 38090 39555 45838 47601 47970 50310 52890 57135 60065 62995 68562 68757 71955 72078 75465 75594 79110 79335 95202 102843 108117 113391 114270 114595 120130 125990 137514 143910 150930 156169 158670 163787 171405 180195 188985 205686 206271 216234 226782 229190 238005 312338 324351 327574 340173 342810 343785 360390 377970 412542 468507 476010 491361 514215 516559 540585 566955 618813 648702 680346 687570 780845 818935 937014 982722 1028430 1031355 1033118 1081170 1133910 1237626 1405521 1474083 1549677 1561690 1621755 1637870 1700865 2062710 2342535 2456805 2582795 2811042 2948166 3094065 3099354 3243510 3401730 4216563 4422249 4649031 4685070 4913610 5165590 6188130 6715267 7027605 7370415 7748385 8433126 8844498 9298062 13430534 13947093 14055210 14740830 15496770 20145801 21082815 22111245 23245155 27894186 33576335 40291602 42165630 44222490 46490310 60437403 67152670 69735465 100729005 120874806 139470930 181312209 201458010 302187015 362624418 604374030 906561045 1813122090
• Sum of all divisors σ(n): 5476584960
• Sum of proper divisors (its aliquot sum) s(n): 3663462870
• 1813122090 is an abundant number, because the sum of its proper divisors (3663462870) is greater than itself. Its abundance is 1850340780

Bases of 1813122090

• Binary: 1101100000100100000110000101010₂
• Hexadecimal: 0x6C120C2A
• Base-36: TZHHYI

Squares and roots of 1813122090

• 1813122090 squared (1813122090²) is 3287411713245968100
• 1813122090 cubed (1813122090³) is 5960478796211010365545329000
• The square root of 1813122090 is 42580.7713645491
• The cube root of 1813122090 is 1219.3892154521

Scales and comparisons

• 1,813,122,090 seconds is equal to 57 years, 33 weeks, 6 days, 5 hours, 1 minute, 30 seconds.
• To count from 1 to 1,813,122,090 would take you about one hundred fifteen 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 1813122090 cubic inches would be around 101.6 feet tall.

Recreational maths with 1813122090

• 1813122090 backwards is 0902213181
• 1813122090 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1813122090's digits is 27
• More coming soon!