138902100480

Names of 138902100480

• Cardinal: 138902100480 can be written as One hundred thirty-eight billion, nine hundred two million, one hundred thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.3890210048 × 10¹¹

Factors of 138902100480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 104

Divisors of 138902100480

• Number of divisors d(n): 1920
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 23 24 26 27 30 32 33 36 39 40 44 45 46 47 48 52 54 55 60 64 65 66 69 72 78 80 88 90 92 94 96 99 104 108 110 115 117 120 128 130 132 135 138 141 143 144 156 160 165 169 176 180 184 188 192 195 198 207 208 216 220 230 234 235 240 253 256 260 264 270 276 282 286 288 297 299 312 320 330 338 345 351 352 360 368 376 384 390 396 414 416 423 429 432 440 460 468 470 480 495 506 507 512 517 520 528 540 552 564 572 576 585 594 598 611 621 624 640 660 676 690 702 704 705 715 720 736 752 759 768 780 792 828 832 845 846 858 864 880 897 920 936 940 960 990 1012 1014 1034 1035 1040 1056 1080 1081 1104 1128 1144 1152 1170 1188 1196 1222 1242 1248 1265 1269 1280 1287 1320 1352 1380 1404 1408 1410 1430 1440 1472 1485 1495 1504 1518 1521 1536 1551 1560 1584 1656 1664 1690 1692 1716 1728 1755 1760 1794 1833 1840 1859 1872 1880 1920 1980 2024 2028 2068 2070 2080 2112 2115 2145 2160 2162 2208 2256 2277 2288 2304 2340 2376 2392 2444 2484 2496 2530 2535 2538 2560 2574 2585 2640 2691 2704 2760 2808 2816 2820 2860 2880 2944 2970 2990 3008 3036 3042 3055 3102 3105 3120 3168 3243 3289 3312 3328 3380 3384 3432 3456 3510 3520 3588 3666 3680 3718 3744 3760 3795 3840 3861 3887 3960 4048 4056 4136 4140 4160 4224 4230 4290 4320 4324 4416 4485 4512 4554 4563 4576 4608 4653 4680 4752 4784 4888 4968 4992 5060 5070 5076 5148 5170 5280 5382 5405 5408 5499 5520 5577 5616 5632 5640 5720 5760 5888 5940 5980 6016 6072 6084 6110 6204 6210 6240 6336 6345 6435 6486 6578 6624 6656 6721 6760 6768 6831 6864 6912 7020 7040 7176 7332 7360 7436 7488 7520 7590 7605 7680 7722 7755 7774 7920 7943 8073 8096 8112 8272 8280 8320 8448 8460 8580 8640 8648 8832 8970 9024 9108 9126 9152 9165 9295 9306 9360 9504 9568 9729 9776 9867 9936 9984 10120 10140 10152 10296 10340 10560 10764 10810 10816 10998 11040 11154 11232 11280 11385 11440 11520 11661 11776 11880 11891 11960 12032 12144 12168 12220 12408 12420 12480 12672 12690 12870 12972 13156 13248 13442 13455 13520 13536 13662 13728 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1207844352 1262746368 1286130560 1335597120 1403051520 1446896880 1477681920 1509805440 1543356672 1578432960 1736276256 1780796160 1929195840 2013073920 2104577280 2136955392 2170345320 2315035008 2525492736 2572261120 2671194240 2893793760 2955363840 3019610880 3086713344 3156865920 3472552512 3561592320 3858391680 4209154560 4340690640 4630070016 5144522240 5342388480 5787587520 6039221760 6313731840 6945105024 7716783360 8681381280 9260140032 10684776960 11575175040 12627463680 13890210048 15433566720 17362762560 23150350080 27780420096 34725525120 46300700160 69451050240 138902100480
• Sum of all divisors σ(n): 621114531840
• Sum of proper divisors (its aliquot sum) s(n): 482212431360
• 138902100480 is an abundant number, because the sum of its proper divisors (482212431360) is greater than itself. Its abundance is 343310330880

Bases of 138902100480

• Binary: 10000001010111001101011101101000000000₂
• Hexadecimal: 0x205735DA00
• Base-36: 1RT6Q2O0

Squares and roots of 138902100480

• 138902100480 squared (138902100480²) is 19293793517756016230400
• 138902100480 cubed (138902100480³) is 2679948445843718830559531630592000
• The square root of 138902100480 is 372695.7210379535
• The cube root of 138902100480 is 5178.8850439915

Scales and comparisons

• 138,902,100,480 seconds is equal to 4,416 years, 34 weeks, 1 day, 4 hours, 48 minutes.
• To count from 1 to 138,902,100,480 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 138902100480 cubic inches would be around 431.6 feet tall.

Recreational maths with 138902100480

• 138902100480 backwards is 084001209831
• 138902100480 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138902100480's digits is 36
• More coming soon!