27748971990

Names of 27748971990

• Cardinal: 27748971990 can be written as Twenty-seven billion, seven hundred forty-eight million, nine hundred seventy-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.774897199 × 10¹⁰

Factors of 27748971990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 449

Divisors of 27748971990

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 19 30 34 38 43 45 51 57 79 85 86 90 95 102 114 129 153 158 170 171 190 215 237 255 258 281 285 306 323 342 387 395 430 474 510 562 570 645 646 711 731 765 774 790 817 843 855 969 1185 1290 1343 1405 1422 1462 1501 1530 1615 1634 1686 1710 1935 1938 2193 2370 2451 2529 2686 2810 2907 3002 3230 3397 3555 3655 3870 4029 4085 4215 4386 4503 4777 4845 4902 5058 5339 5814 6579 6715 6794 7110 7310 7353 7505 8058 8170 8430 9006 9554 9690 10191 10678 10965 12083 12087 12255 12645 13158 13430 13509 13889 14331 14535 14706 15010 16017 16985 20145 20382 21930 22199 22515 23885 24166 24174 24510 25290 25517 26695 27018 27778 28662 29070 30573 32034 32895 33970 36249 36765 40290 41667 42993 44398 45030 47770 48051 50955 51034 53390 57749 60415 60435 61146 64543 65790 66597 67545 69445 71655 72498 73530 76551 80085 83334 85986 90763 96102 101910 108747 110995 115498 120830 120870 125001 127585 129086 133194 135090 138890 143310 152865 153102 160170 173247 181245 181526 193629 199791 205411 208335 214965 217494 221990 229577 229653 240255 250002 255170 272289 288745 305730 322715 332985 346494 362490 377383 382755 387258 399582 410822 416670 421781 429930 453815 459154 459306 480510 519741 543735 544578 577490 580887 616233 625005 645430 665970 688731 754766 765510 816867 843562 866235 907630 954557 968145 998955 1027055 1039482 1087470 1097231 1132149 1147885 1148265 1161774 1232466 1250010 1265343 1361445 1377462 1633734 1732470 1848699 1886915 1909114 1936290 1997910 2054110 2066193 2108905 2194462 2264298 2295770 2296530 2530686 2598705 2722890 2863671 2904435 3081165 3291693 3396447 3443655 3697398 3773830 3796029 3902809 4084335 4132386 4217810 4772785 5197410 5486155 5660745 5727342 5808870 6162330 6326715 6583386 6792894 6887310 7170277 7592058 7805618 8168670 8591013 9243495 9545570 9875079 10330965 10972310 11321490 11708427 12653430 14318355 14340554 16227469 16458465 16982235 17182026 18136583 18486990 18980145 19514045 19750158 20661930 21510831 23416854 28636710 32454938 32916930 33964470 35125281 35851385 36273166 37960290 39028090 42955065 43021662 48682407 49375395 54409749 58542135 64532493 70250562 71702770 81137345 85910130 90682915 97364814 98750790 107554155 108819498 117084270 129064986 146047221 162274690 163229247 175626405 181365830 215108310 243412035 272048745 292094442 308321911 322662465 326458494 351252810 486824070 544097490 616643822 645324930 730236105 816146235 924965733 1460472210 1541609555 1632292470 1849931466 2774897199 3083219110 4624828665 5549794398 9249657330 13874485995 27748971990
• Sum of all divisors σ(n): 83619993600
• Sum of proper divisors (its aliquot sum) s(n): 55871021610
• 27748971990 is an abundant number, because the sum of its proper divisors (55871021610) is greater than itself. Its abundance is 28122049620

Bases of 27748971990

• Binary: 11001110101111101111011010111010110₂
• Hexadecimal: 0x675F7B5D6
• Base-36: CQX0RTI

Squares and roots of 27748971990

• 27748971990 squared (27748971990²) is 770005446501804560100
• 27748971990 cubed (27748971990³) is 21366859567126018222669171599000
• The square root of 27748971990 is 166580.2268878273
• The cube root of 27748971990 is 3027.4870875035

Scales and comparisons

• 27,748,971,990 seconds is equal to 882 years, 17 weeks, 1 day, 15 hours, 46 minutes, 30 seconds.
• To count from 1 to 27,748,971,990 would take you about one thousand, seven hundred sixty-four 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 27748971990 cubic inches would be around 252.3 feet tall.

Recreational maths with 27748971990

• 27748971990 backwards is 09917984772
• The number of decimal digits it has is: 11
• The sum of 27748971990's digits is 63
• More coming soon!