20644372320

Names of 20644372320

• Cardinal: 20644372320 can be written as Twenty billion, six hundred forty-four million, three hundred seventy-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.064437232 × 10¹⁰

Factors of 20644372320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 101

Divisors of 20644372320

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 32 33 39 40 44 48 52 55 60 65 66 67 78 80 88 96 104 110 120 130 132 134 143 156 160 165 176 195 201 208 220 240 260 264 268 286 312 330 335 352 390 402 416 429 440 480 520 528 536 572 624 660 670 715 737 780 804 858 871 880 1005 1040 1056 1072 1144 1248 1320 1340 1430 1474 1560 1608 1716 1742 1760 2010 2080 2144 2145 2211 2288 2613 2640 2680 2860 2948 3120 3216 3432 3484 3685 4020 4290 4355 4422 4489 4576 5226 5280 5360 5720 5896 6240 6432 6864 6968 7370 8040 8580 8710 8844 8978 9581 10452 10720 11055 11440 11792 13065 13467 13728 13936 14740 16080 17160 17420 17688 17956 19162 20904 22110 22445 22880 23584 26130 26934 27872 28743 29480 32160 34320 34840 35376 35912 38324 41808 44220 44890 47905 49379 52260 53868 57486 58357 58960 67335 68640 69680 70752 71824 76648 83616 88440 89780 95810 98758 104520 107736 114972 116714 117920 134670 139360 143648 143715 148137 153296 175071 176880 179560 191620 197516 209040 215472 229944 233428 246895 269340 287430 291785 296274 300763 306592 350142 353760 359120 383240 395032 418080 430944 459888 466856 493790 538680 574860 583570 592548 601526 641927 700284 718240 740685 766480 790064 875355 902289 919776 933712 987580 1077360 1149720 1167140 1185096 1203052 1283854 1400568 1481370 1503815 1532960 1580128 1750710 1804578 1867424 1925781 1975160 2154720 2299440 2334280 2370192 2406104 2567708 2801136 2962740 3007630 3209635 3308393 3501420 3609156 3851562 3909919 3950320 4511445 4598880 4668560 4740384 4812208 5135416 5602272 5925480 6015260 6419270 6616786 7002840 7218312 7703124 7819838 7900640 9022890 9337120 9624416 9628905 9925179 10270832 11729757 11850960 12030520 12838540 13233572 14005680 14436624 15406248 15639676 16541965 18045780 19257810 19549595 19850358 20541664 23459514 23701920 24061040 25677080 26467144 28011360 28873248 30812496 31279352 33083930 36091560 38515620 39099190 39700716 43009109 46919028 48122080 49625895 51354160 52934288 58648785 61624992 62558704 66167860 72183120 77031240 78198380 79401432 86018218 93838056 99251790 102708320 105868576 117297570 125117408 129027327 132335720 144366240 154062480 156396760 158802864 172036436 187676112 198503580 215045545 234595140 258054654 264671440 308124960 312793520 317605728 344072872 375352224 397007160 430091090 469190280 516109308 529342880 625587040 645136635 688145744 794014320 860182180 938380560 1032218616 1290273270 1376291488 1588028640 1720364360 1876761120 2064437232 2580546540 3440728720 4128874464 5161093080 6881457440 10322186160 20644372320
• Sum of all divisors σ(n): 77556165120
• Sum of proper divisors (its aliquot sum) s(n): 56911792800
• 20644372320 is an abundant number, because the sum of its proper divisors (56911792800) is greater than itself. Its abundance is 36267420480

Bases of 20644372320

• Binary: 10011001110100000000001111101100000₂
• Hexadecimal: 0x4CE801F60
• Base-36: 9HF4JMO

Squares and roots of 20644372320

• 20644372320 squared (20644372320²) is 426190108486782182400
• 20644372320 cubed (20644372320³) is 8798427278702323172207751168000
• The square root of 20644372320 is 143681.4960946607
• The cube root of 20644372320 is 2743.2616210919

Scales and comparisons

• 20,644,372,320 seconds is equal to 656 years, 22 weeks, 1 day, 11 hours, 52 minutes.
• To count from 1 to 20,644,372,320 would take you about one thousand, three hundred twelve 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 20644372320 cubic inches would be around 228.6 feet tall.

Recreational maths with 20644372320

• 20644372320 backwards is 02327344602
• 20644372320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20644372320's digits is 33
• More coming soon!