1389668400

Names of 1389668400

• Cardinal: 1389668400 can be written as One billion, three hundred eighty-nine million, six hundred sixty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.3896684 × 10⁹

Factors of 1389668400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 56

Divisors of 1389668400

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 27 29 30 34 36 40 45 48 50 51 54 58 60 68 72 75 80 81 85 87 90 100 102 108 116 120 135 136 144 145 150 153 162 170 174 180 200 204 216 225 232 240 243 255 261 270 272 290 300 306 324 340 348 360 400 405 408 425 432 435 450 459 464 486 493 510 522 540 580 600 612 648 675 680 696 720 725 765 783 810 816 841 850 870 900 918 972 986 1020 1044 1080 1160 1200 1215 1224 1275 1296 1305 1350 1360 1377 1392 1450 1479 1530 1566 1620 1682 1700 1740 1800 1836 1944 1972 2025 2040 2088 2160 2175 2295 2320 2349 2430 2448 2465 2523 2550 2610 2700 2754 2900 2958 3060 3132 3240 3364 3400 3480 3600 3672 3825 3888 3915 3944 4050 4080 4131 4176 4205 4350 4437 4590 4698 4860 4930 5046 5100 5220 5400 5508 5800 5916 6075 6120 6264 6480 6525 6728 6800 6885 6960 7047 7344 7395 7569 7650 7830 7888 8100 8262 8410 8700 8874 9180 9396 9720 9860 10092 10200 10440 10800 11016 11475 11600 11745 11832 12150 12240 12325 12528 12615 13050 13311 13456 13770 14094 14297 14790 15138 15300 15660 16200 16524 16820 17400 17748 18360 18792 19440 19575 19720 20184 20400 20655 20880 21025 22032 22185 22707 22950 23490 23664 24300 24650 25230 26100 26622 27540 28188 28594 29580 30276 30600 31320 32400 33048 33640 34425 34800 35235 35496 36720 36975 37584 37845 39150 39440 39933 40368 41310 42050 42891 44370 45414 45900 46980 48600 49300 50460 52200 53244 55080 56376 57188 58725 59160 60552 61200 62640 63075 66096 66555 67280 68121 68850 70470 70992 71485 73950 75690 78300 79866 82620 84100 85782 88740 90828 91800 93960 97200 98600 100920 103275 104400 106488 110160 110925 112752 113535 114376 117450 118320 119799 121104 126150 128673 133110 136242 137700 140940 142970 147900 151380 156600 159732 165240 168200 171564 176175 177480 181656 183600 187920 189225 197200 199665 201840 204363 206550 212976 214455 221850 227070 228752 234900 239598 252300 257346 266220 272484 275400 281880 285940 295800 302760 313200 319464 330480 332775 336400 340605 343128 352350 354960 357425 363312 378450 386019 399330 408726 413100 428910 443700 454140 469800 479196 504600 514692 532440 544968 550800 563760 567675 571880 591600 598995 605520 638928 643365 665550 681210 686256 704700 714850 756900 772038 798660 817452 826200 857820 887400 908280 939600 958392 998325 1009200 1021815 1029384 1064880 1072275 1089936 1135350 1143760 1158057 1197990 1286730 1331100 1362420 1409400 1429700 1513800 1544076 1597320 1634904 1652400 1703025 1715640 1774800 1816560 1916784 1930095 1996650 2043630 2058768 2144550 2270700 2316114 2395980 2573460 2662200 2724840 2818800 2859400 2994975 3027600 3088152 3194640 3216825 3269808 3406050 3431280 3474171 3860190 3993300 4087260 4289100 4541400 4632228 4791960 5109075 5146920 5324400 5449680 5718800 5790285 5989950 6176304 6433650 6812100 6948342 7720380 7986600 8174520 8578200 9082800 9264456 9583920 9650475 10218150 10293840 11580570 11979900 12867300 13624200 13896684 15440760 15973200 16349040 17156400 17370855 18528912 19300950 20436300 23161140 23959800 25734600 27248400 27793368 28951425 30881520 34741710 38601900 40872600 46322280 47919600 51469200 55586736 57902850 69483420 77203800 81745200 86854275 92644560 115805700 138966840 154407600 173708550 231611400 277933680 347417100 463222800 694834200 1389668400
• Sum of all divisors σ(n): 5484227112
• Sum of proper divisors (its aliquot sum) s(n): 4094558712
• 1389668400 is an abundant number, because the sum of its proper divisors (4094558712) is greater than itself. Its abundance is 2704890312

Bases of 1389668400

• Binary: 1010010110101001010100000110000₂
• Hexadecimal: 0x52D4A830
• Base-36: MZDF00

Squares and roots of 1389668400

• 1389668400 squared (1389668400²) is 1931178261958560000
• 1389668400 cubed (1389668400³) is 2683697405410732941504000000
• The square root of 1389668400 is 37278.2563969937
• The cube root of 1389668400 is 1115.9302766013

Scales and comparisons

• 1,389,668,400 seconds is equal to 44 years, 9 weeks, 5 days, 3 hours.
• To count from 1 to 1,389,668,400 would take you about eighty-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 1389668400 cubic inches would be around 93 feet tall.

Recreational maths with 1389668400

• 1389668400 backwards is 0048669831
• 1389668400 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1389668400's digits is 45
• More coming soon!