1438564140

Names of 1438564140

• Cardinal: 1438564140 can be written as One billion, four hundred thirty-eight million, five hundred sixty-four thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.43856414 × 10⁹

Factors of 1438564140

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 112

Divisors of 1438564140

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 29 30 34 36 39 43 45 51 52 58 60 65 68 78 85 86 87 90 102 116 117 129 130 145 153 156 170 172 174 180 195 204 215 221 234 255 258 260 261 290 306 340 348 377 387 390 430 435 442 468 493 510 516 522 559 580 585 612 645 663 731 754 765 774 780 841 860 870 884 986 1020 1044 1105 1118 1131 1170 1247 1290 1305 1326 1462 1479 1508 1530 1548 1677 1682 1740 1885 1935 1972 1989 2193 2210 2236 2262 2340 2465 2494 2523 2580 2610 2652 2795 2924 2958 3060 3315 3354 3364 3393 3655 3741 3770 3870 3978 4205 4386 4420 4437 4524 4930 4988 5031 5046 5220 5590 5655 5916 6235 6409 6579 6630 6708 6786 7310 7395 7482 7540 7569 7740 7956 8385 8410 8772 8874 9503 9860 9945 10062 10092 10933 10965 11180 11223 11310 12470 12615 12818 13158 13260 13572 14297 14620 14790 14964 15138 16211 16770 16820 16965 17748 18705 19006 19227 19890 20124 21199 21866 21930 22185 22446 22620 24940 25155 25230 25636 26316 28509 28594 29580 30276 32045 32422 32799 32895 33540 33930 36163 37410 37845 38012 38454 39780 42398 42891 43732 43860 44370 44892 47515 48633 50310 50460 54665 56115 57018 57188 57681 63597 64090 64844 65598 65790 67860 71485 72326 74820 75690 76908 81055 84796 85527 85782 88740 95030 96135 97266 98397 100620 105995 108489 109330 112230 114036 115362 127194 128180 128673 131196 131580 142545 142970 144652 145899 151380 162110 163995 171054 171564 180815 185861 190060 190791 192270 194532 196794 211990 214455 216978 218660 224460 230724 243165 254388 257346 275587 285090 285940 288405 291798 317985 324220 325467 327990 342108 361630 371722 381582 384540 393588 423980 427635 428910 433956 470119 486330 491985 514692 542445 551174 557583 570180 576810 583596 614771 635970 643365 650934 655980 723260 729495 743444 763164 826761 855270 857820 929305 940238 953955 972660 983970 1084890 1102348 1115166 1153620 1229542 1271940 1286730 1301868 1377935 1410357 1458990 1627335 1653522 1672749 1710540 1844313 1858610 1880476 1907910 1967940 2169780 2230332 2350595 2459084 2480283 2573460 2755870 2787915 2820714 2917980 3073855 3254670 3307044 3345498 3688626 3717220 3815820 4133805 4231071 4701190 4960566 5511740 5532939 5575830 5641428 6147710 6509340 6690996 7051785 7377252 7992023 8267610 8363745 8462142 9221565 9402380 9921132 11065878 11151660 12295420 12401415 14103570 15984046 16535220 16727490 16924284 18443130 21155355 22131756 23976069 24802830 27664695 28207140 31968092 33454980 36886260 39960115 42310710 47952138 49605660 55329390 71928207 79920230 84621420 95904276 110658780 119880345 143856414 159840460 239760690 287712828 359641035 479521380 719282070 1438564140
• Sum of all divisors σ(n): 5273075808
• Sum of proper divisors (its aliquot sum) s(n): 3834511668
• 1438564140 is an abundant number, because the sum of its proper divisors (3834511668) is greater than itself. Its abundance is 2395947528

Bases of 1438564140

• Binary: 1010101101111101011111100101100₂
• Hexadecimal: 0x55BEBF2C
• Base-36: NSHF70

Squares and roots of 1438564140

• 1438564140 squared (1438564140²) is 2069466784893939600
• 1438564140 cubed (1438564140³) is 2977060705669515211885944000
• The square root of 1438564140 is 37928.4080868153
• The cube root of 1438564140 is 1128.8677776169

Scales and comparisons

• 1,438,564,140 seconds is equal to 45 years, 38 weeks, 4 days, 1 hour, 9 minutes.
• To count from 1 to 1,438,564,140 would take you about ninety-one 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 1438564140 cubic inches would be around 94.1 feet tall.

Recreational maths with 1438564140

• 1438564140 backwards is 0414658341
• 1438564140 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1438564140's digits is 36
• More coming soon!