20749847040

Names of 20749847040

• Cardinal: 20749847040 can be written as Twenty billion, seven hundred forty-nine million, eight hundred forty-seven thousand and forty.

Scientific notation

• Scientific notation: 2.074984704 × 10¹⁰

Factors of 20749847040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 96

Divisors of 20749847040

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 73 78 80 90 96 104 117 120 128 130 144 146 156 160 169 180 192 195 208 219 234 240 256 260 288 292 312 320 338 360 365 384 390 416 438 468 480 507 512 520 576 584 585 624 640 657 676 720 730 768 780 832 845 876 936 949 960 1014 1040 1095 1152 1168 1170 1248 1280 1314 1352 1440 1460 1521 1536 1560 1664 1690 1752 1872 1898 1920 2028 2080 2190 2304 2336 2340 2496 2535 2560 2628 2704 2847 2880 2920 3042 3120 3285 3328 3380 3504 3744 3796 3840 4056 4160 4380 4608 4672 4680 4745 4992 5070 5256 5329 5408 5694 5760 5840 6084 6240 6570 6656 6760 7008 7488 7592 7605 7680 8112 8320 8541 8760 9344 9360 9490 9984 10140 10512 10658 10816 11388 11520 11680 12168 12337 12480 13140 13520 14016 14235 14976 15184 15210 15987 16224 16640 17082 17520 18688 18720 18980 19968 20280 21024 21316 21632 22776 23040 23360 24336 24674 24960 26280 26645 27040 28032 28470 29952 30368 30420 31974 32448 33280 34164 35040 37011 37376 37440 37960 40560 42048 42632 42705 43264 45552 46720 47961 48672 49348 49920 52560 53290 54080 56064 56940 59904 60736 60840 61685 63948 64896 68328 69277 70080 74022 74880 75920 79935 81120 84096 85264 85410 86528 91104 93440 95922 97344 98696 99840 105120 106580 108160 111033 112128 113880 121472 121680 123370 127896 129792 136656 138554 140160 148044 149760 151840 159870 162240 168192 170528 170820 182208 185055 186880 191844 194688 197392 207831 210240 213160 216320 222066 227760 239805 242944 243360 246740 255792 259584 273312 277108 280320 296088 299520 303680 319740 324480 336384 341056 341640 346385 364416 370110 383688 389376 394784 415662 420480 426320 432640 444132 455520 479610 485888 486720 493480 511584 546624 554216 555165 560640 592176 607360 623493 639480 648960 682112 683280 692770 728832 740220 767376 778752 789568 831324 840960 852640 888264 900601 911040 959220 973440 986960 1023168 1039155 1093248 1108432 1110330 1184352 1214720 1246986 1278960 1297920 1364224 1366560 1385540 1457664 1480440 1534752 1579136 1662648 1681920 1705280 1776528 1801202 1822080 1918440 1946880 1973920 2046336 2078310 2186496 2216864 2220660 2368704 2429440 2493972 2557920 2701803 2728448 2733120 2771080 2960880 3069504 3117465 3158272 3325296 3410560 3553056 3602404 3644160 3836880 3893760 3947840 4092672 4156620 4372992 4433728 4441320 4503005 4737408 4987944 5115840 5403606 5466240 5542160 5921760 6139008 6234930 6316544 6650592 6821120 7106112 7204808 7288320 7673760 7895680 8105409 8185344 8313240 8867456 8882640 9006010 9474816 9975888 10231680 10807212 10932480 11084320 11843520 12278016 12469860 13301184 13509015 13642240 14212224 14409616 15347520 15791360 16210818 16626480 17734912 17765280 18012020 18949632 19951776 20463360 21614424 21864960 22168640 23687040 24556032 24939720 26602368 27018030 28424448 28819232 30695040 31582720 32421636 33252960 35469824 35530560 36024040 39903552 40527045 40926720 43228848 44337280 47374080 49879440 53204736 54036060 56848896 57638464 61390080 64843272 66505920 71061120 72048080 79807104 81054090 86457696 88674560 94748160 99758880 106409472 108072120 115276928 122780160 129686544 133011840 142122240 144096160 159614208 162108180 172915392 177349120 199517760 216144240 230553856 259373088 266023680 284244480 288192320 319228416 324216360 345830784 399035520 432288480 461107712 518746176 532047360 576384640 648432720 691661568 798071040 864576960 1037492352 1152769280 1296865440 1383323136 1596142080 1729153920 2074984704 2305538560 2593730880 3458307840 4149969408 5187461760 6916615680 10374923520 20749847040
• Sum of all divisors σ(n): 78896237706
• Sum of proper divisors (its aliquot sum) s(n): 58146390666
• 20749847040 is an abundant number, because the sum of its proper divisors (58146390666) is greater than itself. Its abundance is 37396543626

Bases of 20749847040

• Binary: 10011010100110010011000101000000000₂
• Hexadecimal: 0x4D4C98A00
• Base-36: 9J5X8G0

Squares and roots of 20749847040

• 20749847040 squared (20749847040²) is 430556152183396761600
• 20749847040 cubed (20749847040³) is 8933974299936444830831345664000
• The square root of 20749847040 is 144048.0719759901
• The cube root of 20749847040 is 2747.9255778425

Scales and comparisons

• 20,749,847,040 seconds is equal to 659 years, 40 weeks, 4 days, 6 hours, 24 minutes.
• To count from 1 to 20,749,847,040 would take you about one thousand, three hundred nineteen 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 20749847040 cubic inches would be around 229 feet tall.

Recreational maths with 20749847040

• 20749847040 backwards is 04074894702
• 20749847040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20749847040's digits is 45
• More coming soon!