20946901872

Names of 20946901872

• Cardinal: 20946901872 can be written as Twenty billion, nine hundred forty-six million, nine hundred one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.0946901872 × 10¹⁰

Factors of 20946901872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 161

Divisors of 20946901872

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 23 24 26 31 39 46 48 52 62 69 78 89 92 93 104 124 138 156 178 184 186 208 248 267 276 299 312 356 368 372 403 496 529 534 552 598 624 712 713 744 806 897 1058 1068 1104 1157 1196 1209 1424 1426 1488 1587 1612 1794 2047 2116 2136 2139 2314 2392 2418 2759 2852 3174 3224 3471 3588 4094 4232 4272 4278 4628 4784 4836 5518 5704 6141 6348 6448 6877 6942 7176 8188 8277 8464 8556 9256 9269 9672 11036 11408 12167 12282 12696 13754 13884 14352 16376 16399 16554 17112 18512 18538 19344 20631 22072 24334 24564 25392 26611 27508 27768 27807 32752 32798 33108 34224 35867 36501 37076 41262 44144 47081 48668 49128 49197 53222 55016 55536 55614 63457 65596 66216 71734 73002 74152 79833 82524 94162 97336 98256 98394 106444 107601 110032 111228 126914 131192 132432 141243 143468 146004 148304 158171 159666 165048 188324 190371 194672 196788 212888 213187 215202 222456 253828 262384 282486 286936 292008 316342 319332 330096 376648 377177 380742 393576 425776 426374 430404 444912 474513 507656 564972 573872 584016 612053 632684 638664 639561 753296 754354 761484 787152 824941 852748 860808 949026 1015312 1082863 1129944 1131531 1224106 1265368 1277328 1279122 1459511 1508708 1522968 1649882 1705496 1721616 1836159 1898052 2165726 2259888 2263062 2448212 2474823 2530736 2558244 2919022 3017416 3045936 3248589 3299764 3410992 3672318 3796104 4331452 4378533 4526124 4896424 4903301 4949646 5116488 5838044 6034832 6497178 6599528 7344636 7592208 8662904 8757066 9052248 9792848 9806602 9899292 10232976 11676088 12994356 13199056 14077219 14689272 14709903 17325808 17514132 18104496 18973643 19613204 19798584 23352176 25988712 28154438 29378544 29419806 33568753 35028264 37947286 39226408 39597168 42231657 51977424 56308876 56920929 58839612 67137506 70056528 75894572 78452816 84463314 100706259 112617752 113841858 117679224 134275012 151789144 168926628 201412518 225235504 227683716 235358448 268550024 303578288 337853256 402825036 436393789 455367432 537100048 675706512 805650072 872787578 910734864 1309181367 1611300144 1745575156 2618362734 3491150312 5236725468 6982300624 10473450936 20946901872
• Sum of all divisors σ(n): 63595929600
• Sum of proper divisors (its aliquot sum) s(n): 42649027728
• 20946901872 is an abundant number, because the sum of its proper divisors (42649027728) is greater than itself. Its abundance is 21702125856

Bases of 20946901872

• Binary: 10011100000100010000101101101110000₂
• Hexadecimal: 0x4E0885B70
• Base-36: 9MF8SXC

Squares and roots of 20946901872

• 20946901872 squared (20946901872²) is 438772698035197104384
• 20946901872 cubed (20946901872³) is 9190928649855960947710189006848
• The square root of 20946901872 is 144730.4455600133
• The cube root of 20946901872 is 2756.5969168303

Scales and comparisons

• 20,946,901,872 seconds is equal to 666 years, 2 weeks, 2 days, 23 hours, 51 minutes, 12 seconds.
• To count from 1 to 20,946,901,872 would take you about one thousand, three hundred thirty-two 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 20946901872 cubic inches would be around 229.7 feet tall.

Recreational maths with 20946901872

• 20946901872 backwards is 27810964902
• 20946901872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20946901872's digits is 48
• More coming soon!