31440471920

Names of 31440471920

• Cardinal: 31440471920 can be written as Thirty-one billion, four hundred forty million, four hundred seventy-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.144047192 × 10¹⁰

Factors of 31440471920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 404

Divisors of 31440471920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 19 20 22 23 26 38 40 44 46 52 55 65 76 80 88 92 95 104 110 115 130 143 152 176 184 190 208 209 220 230 247 253 260 286 299 304 331 361 368 380 418 437 440 460 494 506 520 572 598 662 715 722 760 836 874 880 920 988 1012 1040 1045 1144 1196 1235 1265 1324 1430 1444 1495 1520 1655 1672 1748 1805 1840 1976 2024 2090 2185 2288 2392 2470 2530 2648 2717 2860 2888 2990 3289 3310 3344 3496 3610 3641 3952 3971 4048 4180 4303 4370 4693 4784 4807 4940 5060 5296 5434 5681 5720 5776 5980 6289 6578 6620 6992 7220 7282 7613 7942 8303 8360 8606 8740 9386 9614 9880 10120 10868 11362 11440 11960 12578 13156 13240 13585 14440 14564 15226 15884 16445 16606 16720 17212 17480 18205 18772 19228 19760 19855 20240 21515 21736 22724 23465 23920 24035 25156 26312 26480 27170 28405 28880 29128 30452 31445 31768 32890 33212 34424 34960 36410 37544 38065 38456 39710 41515 43030 43472 45448 46930 47333 48070 50312 51623 52624 54340 56810 58256 60904 62491 62890 63536 65780 66424 68848 69179 72820 75088 76130 76912 79420 81757 83030 83743 86060 90896 91333 93860 94666 96140 98969 100624 103246 107939 108680 113620 119491 121808 124982 125780 131560 132848 138358 144647 145640 152260 158840 163514 166060 167486 172120 182666 187720 189332 192280 197938 206492 215878 217360 227240 236665 238982 249964 251560 258115 263120 276716 289294 291280 304520 312455 317680 327028 332120 334972 344240 345895 365332 375440 378664 384560 395876 408785 412984 418715 431756 454480 456665 473330 477964 494845 499928 503120 516230 539695 553432 578588 597455 609040 624910 654056 664240 669944 691790 723235 730664 757328 791752 817570 825968 837430 863512 899327 913330 946660 955928 989690 999856 1032460 1079390 1088659 1106864 1157176 1187329 1194910 1249820 1308112 1314401 1339888 1383580 1446470 1461328 1553383 1583504 1591117 1635140 1674860 1727024 1798654 1826660 1880411 1893320 1911856 1979380 2064920 2158780 2177318 2314352 2374658 2389820 2499640 2628802 2748293 2767160 2892940 3106766 3182234 3270280 3349720 3597308 3653320 3760822 3786640 3958760 4129840 4317560 4354636 4496635 4749316 4779640 4999280 5257604 5443295 5496586 5534320 5785880 5936645 6213532 6364468 6540560 6572005 6699440 7194616 7306640 7521644 7766915 7917520 7955585 8635120 8709272 8993270 9402055 9498632 9559280 10515208 10886590 10993172 11571760 11873290 12427064 12728936 13144010 13741465 14389232 15043288 15533830 15911170 17087213 17418544 17986540 18804110 18997264 20684521 21030416 21773180 21986344 23746580 24854128 25457872 26288020 27482930 30086576 30231223 31067660 31822340 34174426 35727809 35973080 37608220 41369042 43546360 43972688 47493160 52576040 54965860 60462446 62135320 63644680 68348852 71455618 71946160 75216440 82738084 85436065 87092720 94986320 103422605 105152080 109931720 120924892 124270640 127289360 136697704 142911236 150432880 151156115 165476168 170872130 178639045 206845210 219863440 241849784 273395408 285822472 302312230 330952336 341744260 357278090 393005899 413690420 483699568 571644944 604624460 683488520 714556180 786011798 827380840 1209248920 1366977040 1429112360 1572023596 1654761680 1965029495 2418497840 2858224720 3144047192 3930058990 6288094384 7860117980 15720235960 31440471920
• Sum of all divisors σ(n): 94862928384
• Sum of proper divisors (its aliquot sum) s(n): 63422456464
• 31440471920 is an abundant number, because the sum of its proper divisors (63422456464) is greater than itself. Its abundance is 31981984544

Bases of 31440471920

• Binary: 11101010001111111111000011101110000₂
• Hexadecimal: 0x751FF8770
• Base-36: EFYUFE8

Squares and roots of 31440471920

• 31440471920 squared (31440471920²) is 988503274552308486400
• 31440471920 cubed (31440471920³) is 31079009446389905537836901888000
• The square root of 31440471920 is 177314.6128213915
• The cube root of 31440471920 is 3156.1891223131

Scales and comparisons

• 31,440,471,920 seconds is equal to 999 years, 36 weeks, 6 days, 8 hours, 25 minutes, 20 seconds.
• To count from 1 to 31,440,471,920 would take you about one thousand, nine hundred ninety-nine 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 31440471920 cubic inches would be around 263 feet tall.

Recreational maths with 31440471920

• 31440471920 backwards is 02917404413
• The number of decimal digits it has is: 11
• The sum of 31440471920's digits is 35
• More coming soon!