138853744640

Names of 138853744640

• Cardinal: 138853744640 can be written as One hundred thirty-eight billion, eight hundred fifty-three million, seven hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3885374464 × 10¹¹

Factors of 138853744640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 330

Divisors of 138853744640

• Number of divisors d(n): 304
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 29 32 40 52 58 64 65 80 104 116 128 130 145 160 208 232 256 260 281 290 320 377 416 464 512 520 562 580 640 754 832 928 1024 1040 1124 1160 1280 1405 1508 1664 1856 1885 2048 2080 2248 2320 2560 2810 3016 3328 3653 3712 3770 4096 4160 4496 4640 5120 5620 6032 6656 7306 7424 7540 8149 8192 8320 8992 9280 10240 11240 12064 13312 14612 14848 15080 16298 16384 16640 17984 18265 18560 20480 22480 24128 26624 29224 29696 30160 32596 32768 33280 35968 36530 37120 40745 40960 44960 48256 53248 58448 59392 60320 65192 65536 66560 71936 73060 74240 81490 81920 89920 96512 105937 106496 116896 118784 120640 130384 131072 133120 143872 146120 148480 162980 163840 179840 193024 211874 212992 233792 237568 241280 260768 262144 266240 287744 292240 296960 325960 327680 359680 386048 423748 425984 467584 475136 482560 521536 529685 532480 575488 584480 593920 651920 655360 719360 772096 847496 851968 935168 950272 965120 1043072 1059370 1064960 1150976 1168960 1187840 1303840 1310720 1438720 1544192 1694992 1703936 1870336 1900544 1930240 2086144 2118740 2129920 2301952 2337920 2375680 2607680 2877440 3088384 3389984 3407872 3740672 3801088 3860480 4172288 4237480 4259840 4603904 4675840 4751360 5215360 5754880 6176768 6779968 7481344 7602176 7720960 8344576 8474960 8519680 9207808 9351680 9502720 10430720 11509760 12353536 13559936 14962688 15441920 16689152 16949920 17039360 18415616 18703360 19005440 20861440 23019520 24707072 27119872 29925376 30883840 33378304 33899840 36831232 37406720 38010880 41722880 46039040 49414144 54239744 59850752 61767680 66756608 67799680 73662464 74813440 83445760 92078080 98828288 108479488 119701504 123535360 133513216 135599360 149626880 166891520 184156160 216958976 239403008 247070720 267026432 271198720 299253760 333783040 368312320 433917952 478806016 494141440 534052864 542397440 598507520 667566080 867835904 957612032 1068105728 1084794880 1197015040 1335132160 1735671808 2136211456 2169589760 2394030080 2670264320 3471343616 4339179520 4788060160 5340528640 6942687232 8678359040 10681057280 13885374464 17356718080 27770748928 34713436160 69426872320 138853744640
• Sum of all divisors σ(n): 372579313680
• Sum of proper divisors (its aliquot sum) s(n): 233725569040
• 138853744640 is an abundant number, because the sum of its proper divisors (233725569040) is greater than itself. Its abundance is 94871824400

Bases of 138853744640

• Binary: 10000001010100010101000000000000000000₂
• Hexadecimal: 0x2054540000
• Base-36: 1RSDXN28

Squares and roots of 138853744640

• 138853744640 squared (138853744640²) is 19280362400550328729600
• 138853744640 cubed (138853744640³) is 2677150517332672740887934009344000
• The square root of 138853744640 is 372630.8423091143
• The cube root of 138853744640 is 5178.2840009981

Scales and comparisons

• 138,853,744,640 seconds is equal to 4,415 years, 6 weeks, 1 day, 12 hours, 37 minutes, 20 seconds.
• To count from 1 to 138,853,744,640 would take you about eight thousand, eight hundred thirty 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 138853744640 cubic inches would be around 431.5 feet tall.

Recreational maths with 138853744640

• 138853744640 backwards is 046447358831
• The number of decimal digits it has is: 12
• The sum of 138853744640's digits is 53
• More coming soon!