15400913640

Names of 15400913640

• Cardinal: 15400913640 can be written as Fifteen billion, four hundred million, nine hundred thirteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.540091364 × 10¹⁰

Factors of 15400913640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 582

Divisors of 15400913640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 41 42 49 56 60 70 82 84 98 105 120 123 140 147 164 168 193 196 205 210 245 246 280 287 294 328 331 386 392 410 420 490 492 574 579 588 615 662 735 772 820 840 861 965 980 984 993 1148 1158 1176 1230 1324 1351 1435 1470 1544 1640 1655 1722 1930 1960 1986 2009 2296 2316 2317 2460 2648 2702 2870 2895 2940 3310 3444 3860 3972 4018 4053 4305 4632 4634 4920 4965 5404 5740 5790 5880 6027 6620 6755 6888 6951 7720 7913 7944 8036 8106 8610 9268 9457 9930 10045 10808 11480 11580 11585 12054 13240 13510 13571 13902 15826 16072 16212 16219 17220 18536 18914 19860 20090 20265 23160 23170 23739 24108 27020 27142 27804 28371 30135 31652 32424 32438 34440 34755 37828 39565 39720 40180 40530 40713 46340 47285 47478 48216 48657 54040 54284 55391 55608 56742 60270 63304 63883 64876 67855 69510 75656 79130 80360 81060 81095 81426 92680 94570 94956 94997 97314 108568 110782 113484 118695 120540 127766 129752 135710 139020 141855 158260 162120 162190 162852 166173 189140 189912 189994 191649 194628 203565 221564 226968 237390 241080 243285 255532 271420 276955 278040 283710 284991 316520 319415 324380 325704 332346 378280 379988 383298 387737 389256 407130 443128 447181 474780 474985 486570 511064 542840 553910 567420 569982 638830 648760 664692 664979 759976 766596 775474 814260 830865 894362 949560 949970 958245 973140 1107820 1134840 1139964 1163211 1277660 1329384 1329958 1341543 1424955 1533192 1550948 1628520 1661730 1788724 1899940 1916490 1938685 1946280 1994937 2215640 2235905 2279928 2326422 2555320 2619203 2659916 2683086 2849910 3101896 3130267 3323460 3324895 3577448 3799880 3832980 3877370 3989874 4471810 4652844 5238406 5319832 5366172 5699820 5816055 6260534 6646920 6649790 6707715 7665960 7754740 7857609 7979748 8943620 9305688 9390801 9974685 10476812 10732344 11399640 11632110 12521068 13096015 13299580 13415430 15509480 15651335 15715218 15959496 17887240 18334421 18781602 19949370 20953624 23264220 25042136 26192030 26599160 26830860 31302670 31430436 36668842 37563204 39288045 39898740 46528440 46954005 52384060 53661720 55003263 62605340 62860872 73337684 75126408 78576090 79797480 91672105 93908010 104768120 110006526 125210680 128340947 146675368 157152180 183344210 187816020 220013052 256681894 275016315 314304360 366688420 375632040 385022841 440026104 513363788 550032630 641704735 733376840 770045682 1026727576 1100065260 1283409470 1540091364 1925114205 2200130520 2566818940 3080182728 3850228410 5133637880 7700456820 15400913640
• Sum of all divisors σ(n): 55509390720
• Sum of proper divisors (its aliquot sum) s(n): 40108477080
• 15400913640 is an abundant number, because the sum of its proper divisors (40108477080) is greater than itself. Its abundance is 24707563440

Bases of 15400913640

• Binary: 1110010101111101110100101011101000₂
• Hexadecimal: 0x395F74AE8
• Base-36: 72PB10O

Squares and roots of 15400913640

• 15400913640 squared (15400913640²) is 237188140946738049600
• 15400913640 cubed (15400913640³) is 3652914075152860541591636544000
• The square root of 15400913640 is 124100.4175657761
• The cube root of 15400913640 is 2487.9911346927

Scales and comparisons

• 15,400,913,640 seconds is equal to 489 years, 36 weeks, 3 days, 7 hours, 34 minutes.
• To count from 1 to 15,400,913,640 would take you about nine hundred seventy-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 15400913640 cubic inches would be around 207.3 feet tall.

Recreational maths with 15400913640

• 15400913640 backwards is 04631900451
• The number of decimal digits it has is: 11
• The sum of 15400913640's digits is 33
• More coming soon!