138912802470

Names of 138912802470

• Cardinal: 138912802470 can be written as One hundred thirty-eight billion, nine hundred twelve million, eight hundred two thousand, four hundred seventy.

Scientific notation

• Scientific notation: 1.3891280247 × 10¹¹

Factors of 138912802470

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 393

Divisors of 138912802470

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 19 26 27 30 38 39 43 45 54 57 65 67 78 81 86 90 95 114 117 129 130 134 135 162 171 190 195 201 215 234 241 247 258 270 285 335 342 351 387 390 402 405 430 482 494 513 559 570 585 603 645 670 702 723 741 774 810 817 855 871 1005 1026 1053 1118 1161 1170 1205 1206 1235 1273 1290 1446 1482 1539 1634 1677 1710 1742 1755 1809 1935 2010 2106 2169 2223 2322 2410 2451 2470 2546 2565 2613 2795 2881 3015 3078 3133 3354 3483 3510 3615 3618 3705 3819 3870 4085 4338 4355 4446 4579 4902 5031 5130 5226 5265 5427 5590 5762 5805 6030 6266 6365 6507 6669 6966 7230 7353 7410 7638 7695 7839 8170 8385 8643 8710 9045 9158 9399 10062 10363 10530 10621 10845 10854 11115 11457 11610 12255 12730 13014 13065 13338 13737 14405 14706 15093 15390 15665 15678 16147 16549 16770 17286 17415 18090 18798 19095 19521 20007 20726 21242 21690 22059 22230 22895 22914 23517 24510 25155 25929 26130 27135 27474 28197 28810 30186 31089 31330 31863 32294 32535 33098 33345 34371 34830 36765 37453 38190 39042 39195 40014 41211 43215 44118 45279 45790 46995 47034 48441 49647 50310 51815 51858 53105 54270 54739 56394 57285 59527 62178 63726 65070 66177 66690 68685 68742 70551 73530 74906 75465 77787 78390 80735 82422 82745 84591 86430 90558 93267 93990 95589 96882 97605 99294 100035 103113 103630 106210 109478 110295 112359 114570 117585 119054 123633 129645 132354 134719 137370 140985 141102 145323 148941 150930 155445 155574 159315 161470 164217 165490 169182 171855 178581 186534 187265 191178 195210 196897 200070 206055 206226 209911 220590 224718 226395 233361 235170 242205 247266 248235 253773 259290 269438 273695 279801 281970 286767 290646 297635 297882 306793 310890 318630 328434 330885 337077 343710 352755 357162 370899 374530 388935 393794 404157 412110 419822 422955 435969 446823 452790 466335 466722 477945 484410 492651 496470 507546 515565 535743 547390 559602 561795 573534 590691 595270 613586 618165 629733 661770 673595 674154 694321 705510 711607 726615 741798 744705 777870 808314 821085 839403 845910 860301 871938 892905 893646 920379 932670 955890 984485 985302 1011231 1031130 1049555 1071486 1123590 1166805 1181382 1212471 1236330 1259466 1268865 1307907 1340469 1347190 1388642 1399005 1423214 1433835 1453230 1477953 1489410 1533965 1607229 1642170 1678806 1685385 1720602 1772073 1785810 1840758 1854495 1889199 1968970 2020785 2022462 2082963 2099110 2134821 2179845 2234115 2333610 2424942 2463255 2537730 2559661 2615814 2678715 2680938 2761137 2798010 2867670 2953455 2955906 3033693 3067930 3148665 3214458 3370770 3471605 3544146 3558035 3637413 3708990 3778398 3988309 4041570 4165926 4197015 4269642 4301505 4359690 4433859 4468230 4601895 4821687 4926510 5056155 5119322 5316219 5357430 5522274 5667597 5906910 6062355 6067386 6248889 6297330 6404463 6539535 6702345 6943210 7116070 7274826 7389765 7678983 7976618 8036145 8283411 8394030 8603010 8860365 8867718 9026173 9203790 9445995 9643374 10112310 10414815 10632438 10674105 10912239 11335194 11964927 12124710 12497778 12798305 12808926 13079070 13192099 13404690 13805685 14779530 15168465 15357966 15948657 16072290 16566822 17002791 17720730 18052346 18187065 18746667 18891990 19213389 19941545 20829630 21348210 21824478 22169295 23036949 23929854 24108435 24850233 25596610 26384198 26581095 27078519 27611370 28337985 30336930 31244445 31897314 32022315 34005582 35894781 36374130 37493334 38394915 38426778 39576297 39883090 41417055 44338590 45130865 46073898 48216870 49700466 53162190 54157038 54561195 56240001 56675970 57640167 59824635 62488890 64044630 65960495 69110847 71789562 76789830 79152594 79743285 81235557 82834110 85013955 90261730 93733335 96066945 107684343 109122390 112480002 115184745 115280334 118728891 119649270 124251165 131920990 135392595 138221694 159486570 162471114 170027910 171497287 179473905 187466670 192133890 197881485 207332541 215368686 230369490 237457782 243706671 248502330 270785190 281200005 288200835 323053029 342994574 345554235 356186673 358947810 395762970 406177785 414665082 487413342 514491861 538421715 562400010 576401670 593644455 646106058 691108470 712373346 731120013 812355570 857486435 1028983722 1036662705 1068560019 1076843430 1187288910 1218533355 1462240026 1543475583 1615265145 1714972870 1780933365 2073325410 2137120038 2437066710 2572459305 3086951166 3230530290 3561866730 3655600065 4630426749 5144918610 5342800095 7311200130 7717377915 9260853498 10685600190 13891280247 15434755830 23152133745 27782560494 46304267490 69456401235 138912802470
• Sum of all divisors σ(n): 441563189760
• Sum of proper divisors (its aliquot sum) s(n): 302650387290
• 138912802470 is an abundant number, because the sum of its proper divisors (302650387290) is greater than itself. Its abundance is 163737584820

Bases of 138912802470

• Binary: 10000001010111110110010010011010100110₂
• Hexadecimal: 0x2057D926A6
• Base-36: 1RTD3GDI

Squares and roots of 138912802470

• 138912802470 squared (138912802470²) is 19296766690069238100900
• 138912802470 cubed (138912802470³) is 2680567939527263782933719629223000
• The square root of 138912802470 is 372710.0783048399
• The cube root of 138912802470 is 5179.0180464261

Scales and comparisons

• 138,912,802,470 seconds is equal to 4,416 years, 51 weeks, 6 days, 1 hour, 34 minutes, 30 seconds.
• To count from 1 to 138,912,802,470 would take you about eight thousand, eight hundred thirty-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 138912802470 cubic inches would be around 431.6 feet tall.

Recreational maths with 138912802470

• 138912802470 backwards is 074208219831
• 138912802470 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138912802470's digits is 45
• More coming soon!