138900890880

Names of 138900890880

• Cardinal: 138900890880 can be written as One hundred thirty-eight billion, nine hundred million, eight hundred ninety thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3890089088 × 10¹¹

Factors of 138900890880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 13934

Divisors of 138900890880

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 48 51 54 60 64 68 72 80 85 90 96 102 108 120 128 135 136 144 153 160 170 180 192 204 216 240 255 256 270 272 288 289 306 320 340 360 384 408 432 459 480 510 540 544 576 578 612 640 680 720 765 768 816 864 867 918 960 1020 1080 1088 1152 1156 1224 1280 1360 1440 1445 1530 1632 1728 1734 1836 1920 2040 2160 2176 2295 2304 2312 2448 2601 2720 2880 2890 3060 3264 3456 3468 3672 3840 4080 4320 4335 4352 4590 4624 4896 5202 5440 5760 5780 6120 6528 6912 6936 7344 7803 8160 8640 8670 9180 9248 9792 10404 10880 11520 11560 12240 13005 13056 13872 13907 14688 15606 16320 17280 17340 18360 18496 19584 20808 21760 23120 24480 26010 27744 27814 29376 31212 32640 34560 34680 36720 36992 39015 39168 41616 41721 46240 48960 52020 55488 55628 58752 62424 65280 69360 69535 73440 73984 78030 83232 83442 92480 97920 104040 110976 111256 117504 124848 125163 138720 139070 146880 156060 166464 166884 184960 195840 208080 208605 221952 222512 236419 249696 250326 277440 278140 293760 312120 332928 333768 369920 375489 416160 417210 445024 472838 499392 500652 554880 556280 587520 624240 625815 665856 667536 709257 750978 832320 834420 890048 945676 998784 1001304 1109760 1112560 1182095 1248480 1251630 1335072 1418514 1501956 1664640 1668840 1780096 1877445 1891352 1997568 2002608 2127771 2225120 2364190 2496960 2503260 2670144 2837028 3003912 3329280 3337680 3546285 3560192 3754890 3782704 4005216 4019123 4255542 4450240 4728380 4993920 5006520 5340288 5674056 6007824 6383313 6675360 7092570 7509780 7565408 8010432 8038246 8511084 8900480 9456760 9987840 10013040 10638855 10680576 11348112 12015648 12057369 12766626 13350720 14185140 15019560 15130816 16020864 16076492 17022168 17800960 18913520 20026080 20095615 21277710 22696224 24031296 24114738 25533252 26701440 28370280 30039120 30261632 31916565 32041728 32152984 34044336 36172107 37827040 40052160 40191230 42555420 45392448 48062592 48229476 51066504 53402880 56740560 60078240 60286845 60523264 63833130 64305968 68088672 72344214 75654080 80104320 80382460 85110840 90784896 96125184 96458952 102133008 108516321 113481120 120156480 120573690 127666260 128611936 136177344 144688428 151308160 160208640 160764920 170221680 180860535 181569792 192917904 204266016 217032642 226962240 240312960 241147380 255332520 257223872 272354688 289376856 302616320 321529840 340443360 361721070 385835808 408532032 434065284 453924480 480625920 482294760 510665040 514447744 542581605 544709376 578753712 643059680 680886720 723442140 771671616 817064064 868130568 907848960 964589520 1021330080 1028895488 1085163210 1157507424 1286119360 1361773440 1446884280 1543343232 1634128128 1736261136 1929179040 2042660160 2170326420 2315014848 2572238720 2723546880 2893768560 3086686464 3472522272 3858358080 4085320320 4340652840 4630029696 5144477440 5787537120 6945044544 7716716160 8170640640 8681305680 9260059392 11575074240 13890089088 15433432320 17362611360 23150148480 27780178176 34725222720 46300296960 69450445440 138900890880
• Sum of all divisors σ(n): 523642875840
• Sum of proper divisors (its aliquot sum) s(n): 384741984960
• 138900890880 is an abundant number, because the sum of its proper divisors (384741984960) is greater than itself. Its abundance is 245841094080

Bases of 138900890880

• Binary: 10000001010111001000110110010100000000₂
• Hexadecimal: 0x2057236500
• Base-36: 1RT605C0

Squares and roots of 138900890880

• 138900890880 squared (138900890880²) is 19293457487257667174400
• 138900890880 cubed (138900890880³) is 2679878433135496218634692329472000
• The square root of 138900890880 is 372694.0982629051
• The cube root of 138900890880 is 5178.8700108675

Scales and comparisons

• 138,900,890,880 seconds is equal to 4,416 years, 32 weeks, 1 day, 4 hours, 48 minutes.
• To count from 1 to 138,900,890,880 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 138900890880 cubic inches would be around 431.6 feet tall.

Recreational maths with 138900890880

• 138900890880 backwards is 088098009831
• 138900890880 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138900890880's digits is 54
• More coming soon!