138373569920

Names of 138373569920

• Cardinal: 138373569920 can be written as One hundred thirty-eight billion, three hundred seventy-three million, five hundred sixty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3837356992 × 10¹¹

Factors of 138373569920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 393

Divisors of 138373569920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 41 64 68 71 80 82 85 128 136 142 160 164 170 205 257 272 284 289 320 328 340 355 410 514 544 568 578 640 656 680 697 710 820 1028 1088 1136 1156 1207 1285 1312 1360 1394 1420 1445 1640 2056 2176 2272 2312 2414 2570 2624 2720 2788 2840 2890 2911 3280 3485 4112 4369 4544 4624 4828 5140 5248 5440 5576 5680 5780 5822 6035 6560 6970 8224 8738 9088 9248 9656 10280 10537 10880 11152 11360 11560 11644 11849 12070 13120 13940 14555 16448 17476 18247 18496 19312 20519 20560 21074 21845 22304 22720 23120 23288 23698 24140 26240 27880 29110 32896 34952 36494 36992 38624 41038 41120 42148 43690 44608 45440 46240 46576 47396 48280 49487 52685 55760 58220 59245 69904 72988 74273 77248 82076 82240 84296 87380 89216 91235 92480 93152 94792 96560 98974 102595 105370 111520 116440 118490 139808 145976 148546 154496 164152 164480 168592 174760 179129 182470 184960 186304 189584 193120 197948 205190 210740 223040 232880 236980 247435 279616 291952 297092 310199 328304 337184 349520 358258 364940 371365 372608 379168 386240 395896 410380 421480 446080 465760 473960 494870 559232 583904 594184 620398 656608 674368 699040 716516 729880 742730 748127 758336 772480 791792 820760 841279 842960 895645 931520 947920 989740 1167808 1188368 1240796 1313216 1348736 1398080 1433032 1459760 1485460 1496254 1516672 1550995 1583584 1641520 1682558 1685920 1791290 1863040 1895840 1979480 2335616 2376736 2481592 2626432 2796160 2866064 2919520 2970920 2992508 3045193 3101990 3167168 3283040 3365116 3371840 3582580 3740635 3791680 3958960 4206395 4753472 4963184 5273383 5732128 5839040 5941840 5985016 6090386 6203980 6334336 6566080 6730232 6743680 7165160 7481270 7583360 7917920 8412790 9506944 9926368 10546766 11464256 11678080 11883680 11970032 12180772 12407960 12718159 13132160 13460464 14330320 14962540 15225965 15835840 16825580 19852736 21093532 22928512 23767360 23940064 24361544 24815920 25436318 26366915 26920928 28660640 29925080 30451930 31671680 33651160 39705472 42187064 47534720 47880128 48723088 49631840 50872636 52733830 53841856 57321280 59850160 60903860 63590795 67302320 84374128 95760256 97446176 99263680 101745272 105467660 107683712 114642560 119700320 121807720 127181590 134604640 168748256 194892352 198527360 203490544 210935320 216208703 239400640 243615440 254363180 269209280 337496512 389784704 406981088 421870640 432417406 478801280 487230880 508726360 538418560 674993024 813962176 843741280 864834812 974461760 1017452720 1081043515 1627924352 1687482560 1729669624 1948923520 2034905440 2162087030 3374965120 3459339248 4069810880 4324174060 6918678496 8139621760 8648348120 13837356992 17296696240 27674713984 34593392480 69186784960 138373569920
• Sum of all divisors σ(n): 366463984320
• Sum of proper divisors (its aliquot sum) s(n): 228090414400
• 138373569920 is an abundant number, because the sum of its proper divisors (228090414400) is greater than itself. Its abundance is 89716844480

Bases of 138373569920

• Binary: 10000000110111101101010001110110000000₂
• Hexadecimal: 0x2037B51D80
• Base-36: 1RKG1TVK

Squares and roots of 138373569920

• 138373569920 squared (138373569920²) is 19147244852405128806400
• 138373569920 cubed (138373569920³) is 2649472624359641171058996543488000
• The square root of 138373569920 is 371985.9808111053
• The cube root of 138373569920 is 5172.3080421695

Scales and comparisons

• 138,373,569,920 seconds is equal to 4,399 years, 44 weeks, 1 day, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 138,373,569,920 would take you about eight thousand, seven hundred ninety-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 138373569920 cubic inches would be around 431 feet tall.

Recreational maths with 138373569920

• 138373569920 backwards is 029965373831
• The number of decimal digits it has is: 12
• The sum of 138373569920's digits is 56
• More coming soon!