18139727952

Names of 18139727952

• Cardinal: 18139727952 can be written as Eighteen billion, one hundred thirty-nine million, seven hundred twenty-seven thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 1.8139727952 × 10¹⁰

Factors of 18139727952

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 471

Divisors of 18139727952

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 36 46 48 54 69 72 73 89 92 108 138 144 146 178 184 207 216 219 267 276 281 292 356 368 414 432 438 534 552 562 584 621 657 712 801 828 843 876 1068 1104 1124 1168 1242 1314 1424 1602 1656 1679 1686 1752 1971 2047 2136 2248 2403 2484 2529 2628 3204 3312 3358 3372 3504 3942 4094 4272 4496 4806 4968 5037 5058 5256 6141 6408 6463 6497 6716 6744 7587 7884 8188 9612 9936 10074 10116 10512 12282 12816 12926 12994 13432 13488 15111 15174 15768 16376 18423 19224 19389 19491 20148 20232 20513 24564 25009 25852 25988 26864 30222 30348 31536 32752 36846 38448 38778 38982 40296 40464 41026 45333 49128 50018 51704 51976 55269 58167 58473 60444 60696 61539 73692 75027 77556 77964 80592 82052 90666 98256 100036 103408 103952 110538 116334 116946 120888 121392 123078 147384 149431 150054 155112 155928 164104 174501 175419 181332 184617 200072 221076 225081 232668 233892 241776 246156 294768 298862 300108 310224 311856 328208 349002 350838 362664 369234 400144 442152 448293 450162 465336 467784 471799 492312 553851 575207 597724 600216 675243 698004 701676 725328 738468 884304 896586 900324 930672 935568 943598 984624 1107702 1150414 1195448 1200432 1344879 1350486 1396008 1403352 1415397 1476936 1725621 1793172 1800648 1825657 1887196 2215404 2300828 2390896 2689758 2700972 2792016 2806704 2830794 2953872 3451242 3586344 3601296 3651314 3774392 4034637 4246191 4430808 4601656 5176863 5379516 5401944 5476971 5661588 6902484 7172688 7302628 7548784 8069274 8492382 8861616 9203312 10353726 10759032 10803888 10953942 11323176 12738573 13804968 14605256 15530589 16138548 16430913 16984764 20707452 21518064 21907884 22646352 25477146 27609936 29210512 31061178 32277096 32861826 33969528 41414904 41990111 43815768 49292739 50954292 62122356 64554192 65723652 67939056 82829808 83980222 87631536 98585478 101908584 124244712 125970333 131447304 167960444 197170956 203817168 248489424 251940666 262894608 335920888 377910999 394341912 503881332 671841776 755821998 788683824 1007762664 1133732997 1511643996 2015525328 2267465994 3023287992 4534931988 6046575984 9069863976 18139727952
• Sum of all divisors σ(n): 55892851200
• Sum of proper divisors (its aliquot sum) s(n): 37753123248
• 18139727952 is an abundant number, because the sum of its proper divisors (37753123248) is greater than itself. Its abundance is 19613395296

Bases of 18139727952

• Binary: 10000111001001101100100100001010000₂
• Hexadecimal: 0x439364850
• Base-36: 8BZXBO0

Squares and roots of 18139727952

• 18139727952 squared (18139727952²) is 329049730172570114304
• 18139727952 cubed (18139727952³) is 5968872588009427886120103825408
• The square root of 18139727952 is 134683.8073117923
• The cube root of 18139727952 is 2627.5052341027

Scales and comparisons

• 18,139,727,952 seconds is equal to 576 years, 40 weeks, 6 days, 13 hours, 19 minutes, 12 seconds.
• To count from 1 to 18,139,727,952 would take you about one thousand, one hundred fifty-three 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 18139727952 cubic inches would be around 219 feet tall.

Recreational maths with 18139727952

• 18139727952 backwards is 25972793181
• 18139727952 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18139727952's digits is 54
• More coming soon!