20640155316

Names of 20640155316

• Cardinal: 20640155316 can be written as Twenty billion, six hundred forty million, one hundred fifty-five thousand, three hundred sixteen.

Scientific notation

• Scientific notation: 2.0640155316 × 10¹⁰

Factors of 20640155316

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 342

Divisors of 20640155316

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 11 12 19 22 33 38 43 44 57 66 76 86 114 121 127 129 132 137 172 209 228 242 254 258 274 363 381 411 418 473 484 508 516 548 627 726 762 817 822 836 946 1254 1397 1419 1452 1507 1524 1634 1644 1892 2299 2413 2451 2508 2603 2794 2838 3014 3268 4191 4521 4598 4826 4902 5203 5206 5461 5588 5676 5891 6028 6897 7239 7809 8382 8987 9042 9196 9652 9804 10406 10412 10922 11782 13794 14478 15367 15609 15618 16383 16577 16764 17399 17673 17974 18084 20812 21844 23564 26543 26961 27588 28633 28956 30734 31218 31236 32766 33154 34798 35346 35948 46101 49731 52197 53086 53922 57266 60071 61468 62436 64801 65532 66308 69596 70692 79629 85899 92202 98857 99462 103759 104394 106172 107844 111929 114532 120142 129602 159258 171798 180213 184404 191389 194403 197714 198924 207518 208788 223858 240284 259204 291973 296571 311277 314963 318516 330581 335787 343596 360426 382778 388806 395428 415036 447716 574167 583946 593142 622554 629926 660781 661162 671574 712811 720852 748157 765556 777612 875919 944889 991743 1141349 1148334 1167892 1186284 1231219 1245108 1259852 1321562 1322324 1343148 1425622 1496314 1751838 1889778 1982343 1983486 2105279 2138433 2244471 2282698 2296668 2462438 2643124 2851244 2992628 3424047 3503676 3636391 3693657 3779556 3964686 3966972 4210558 4276866 4488942 4565396 4924876 6315837 6848094 7272782 7387314 7929372 8229727 8421116 8553732 8977884 10909173 12554839 12631674 13543409 13696188 14214983 14545564 14774628 16459454 21818346 24689181 25109678 25263348 27086818 28429966 32918908 37664517 40000301 40630227 42644949 43636692 49378362 50219356 54173636 56859932 75329034 80000602 81260454 85289898 90526997 98756724 120000903 150658068 156364813 160001204 162520908 170579796 181053994 240001806 271580991 312729626 362107988 469094439 480003612 543161982 625459252 938188878 1086323964 1720012943 1876377756 3440025886 5160038829 6880051772 10320077658 20640155316
• Sum of all divisors σ(n): 57887047680
• Sum of proper divisors (its aliquot sum) s(n): 37246892364
• 20640155316 is an abundant number, because the sum of its proper divisors (37246892364) is greater than itself. Its abundance is 16606737048

Bases of 20640155316

• Binary: 10011001110001111111100011010110100₂
• Hexadecimal: 0x4CE3FC6B4
• Base-36: 9HCM5RO

Squares and roots of 20640155316

• 20640155316 squared (20640155316²) is 426016011468603059856
• 20640155316 cubed (20640155316³) is 8793036643814804412980684594496
• The square root of 20640155316 is 143666.8205119053
• The cube root of 20640155316 is 2743.0748206601

Scales and comparisons

• 20,640,155,316 seconds is equal to 656 years, 15 weeks, 1 day, 16 hours, 28 minutes, 36 seconds.
• To count from 1 to 20,640,155,316 would take you about one thousand, three hundred twelve 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 20640155316 cubic inches would be around 228.6 feet tall.

Recreational maths with 20640155316

• 20640155316 backwards is 61355104602
• 20640155316 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20640155316's digits is 33
• More coming soon!