18061252020

Names of 18061252020

• Cardinal: 18061252020 can be written as Eighteen billion, sixty-one million, two hundred fifty-two thousand and twenty.

Scientific notation

• Scientific notation: 1.806125202 × 10¹⁰

Factors of 18061252020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 70

Divisors of 18061252020

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 53 54 60 63 70 81 84 90 98 105 106 108 126 135 140 147 159 162 180 189 196 210 212 243 245 252 265 270 294 315 318 324 371 378 405 420 441 477 486 490 530 540 567 588 630 636 729 735 742 756 795 810 882 945 954 972 980 1060 1113 1134 1215 1260 1323 1431 1458 1470 1484 1590 1620 1701 1764 1855 1890 1908 2187 2205 2226 2268 2385 2430 2597 2646 2809 2835 2862 2916 2940 3180 3339 3402 3645 3710 3780 3969 4293 4374 4410 4452 4770 4860 5103 5194 5292 5565 5618 5670 5724 6561 6615 6678 6804 7155 7290 7420 7791 7938 8427 8505 8586 8748 8820 9540 10017 10206 10388 10935 11130 11236 11340 11907 12879 12985 13122 13230 13356 14045 14310 14580 15309 15582 15876 16695 16854 17010 17172 19663 19845 20034 20412 21465 21870 22260 23373 23814 25281 25515 25758 25970 26244 26460 28090 28620 30051 30618 31164 32805 33390 33708 34020 35721 38637 38955 39326 39690 40068 42135 42930 43740 45927 46746 47628 50085 50562 51030 51516 51940 56180 58989 59535 60102 61236 64395 65610 66780 70119 71442 75843 76545 77274 77910 78652 79380 84270 85860 90153 91854 93492 98315 100170 101124 102060 107163 115911 116865 117978 119070 120204 126405 128790 131220 137641 140238 142884 150255 151686 153090 154548 155820 168540 176967 178605 180306 183708 193185 196630 200340 210357 214326 227529 229635 231822 233730 235956 238140 252810 257580 270459 275282 280476 294945 300510 303372 306180 321489 347733 350595 353934 357210 360612 379215 386370 393260 412923 420714 428652 450765 455058 459270 463644 467460 505620 530901 535815 540918 550564 579555 589890 601020 631071 642978 682587 688205 695466 701190 707868 714420 758430 772740 811377 825846 841428 884835 901530 910116 918540 1051785 1061802 1071630 1081836 1137645 1159110 1179780 1238769 1262142 1285956 1352295 1365174 1376410 1390932 1402380 1516860 1592703 1607445 1622754 1651692 1738665 1769670 1803060 1893213 2047761 2064615 2103570 2123604 2143260 2275290 2318220 2434131 2477538 2524284 2654505 2704590 2730348 2752820 3155355 3185406 3214890 3245508 3412935 3477330 3539340 3716307 3786426 4056885 4095522 4129230 4207140 4550580 4778109 4868262 4955076 5309010 5409180 5679639 6143283 6193845 6310710 6370812 6429780 6825870 6954660 7432614 7572852 7963515 8113770 8191044 8258460 9466065 9556218 9736524 10238805 10618020 11148921 11359278 12170655 12286566 12387690 12621420 13651740 14334327 14865228 15927030 16227540 17038917 18429849 18581535 18932130 19112436 20477610 22297842 22718556 23890545 24341310 24573132 24775380 28398195 28668654 30716415 31854060 33446763 34077834 36859698 37163070 37864260 40955220 43002981 44595684 47781090 48682620 55744605 56796390 57337308 61432830 66893526 68155668 71671635 73719396 74326140 85194585 86005962 92149245 95562180 100340289 111489210 113592780 122865660 129008943 133787052 143343270 167233815 170389170 172011924 184298490 200680578 215014905 222978420 258017886 286686540 301020867 334467630 340778340 368596980 401361156 430029810 501701445 516035772 602041734 645044715 668935260 860059620 903062601 1003402890 1204083468 1290089430 1505104335 1806125202 2006805780 2580178860 3010208670 3612250404 4515313005 6020417340 9030626010 18061252020
• Sum of all divisors σ(n): 67450430502
• Sum of proper divisors (its aliquot sum) s(n): 49389178482
• 18061252020 is an abundant number, because the sum of its proper divisors (49389178482) is greater than itself. Its abundance is 31327926462

Bases of 18061252020

• Binary: 10000110100100010001101010110110100₂
• Hexadecimal: 0x43488D5B4
• Base-36: 8AP7B90

Squares and roots of 18061252020

• 18061252020 squared (18061252020²) is 326208824529954080400
• 18061252020 cubed (18061252020³) is 5891739790983458685131742408000
• The square root of 18061252020 is 134392.1575836923
• The cube root of 18061252020 is 2623.7107268751

Scales and comparisons

• 18,061,252,020 seconds is equal to 574 years, 15 weeks, 1 day, 6 hours, 27 minutes.
• To count from 1 to 18,061,252,020 would take you about one thousand, one hundred forty-eight 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 18061252020 cubic inches would be around 218.6 feet tall.

Recreational maths with 18061252020

• 18061252020 backwards is 02025216081
• 18061252020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18061252020's digits is 27
• More coming soon!