20459729680

Names of 20459729680

• Cardinal: 20459729680 can be written as Twenty billion, four hundred fifty-nine million, seven hundred twenty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.045972968 × 10¹⁰

Factors of 20459729680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 436

Divisors of 20459729680

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 29 31 40 52 58 62 65 79 80 104 116 124 130 145 155 158 208 232 248 260 277 290 310 316 377 395 403 464 496 520 554 580 620 632 754 790 806 899 1027 1040 1108 1160 1240 1264 1385 1508 1580 1612 1798 1885 2015 2054 2216 2291 2320 2449 2480 2770 3016 3160 3224 3596 3601 3770 4030 4108 4432 4495 4582 4898 5135 5540 6032 6320 6448 7192 7202 7540 8033 8060 8216 8587 8990 9164 9796 10270 11080 11455 11687 12245 14384 14404 15080 16066 16120 16432 17174 17980 18005 18328 19592 20540 21883 22160 22910 23374 24490 28808 29783 30160 31837 32132 32240 34348 35960 36010 36656 39184 40165 41080 42935 43766 45820 46748 48980 57616 58435 59566 63674 64264 68696 71021 71920 72020 80330 82160 85870 87532 91640 93496 97960 104429 109415 111631 116870 119132 127348 128528 137392 142042 144040 148915 159185 160660 171740 175064 183280 186992 195920 208858 218830 223262 233740 238264 249023 254696 284084 284479 288080 297830 318370 321320 343480 350128 355105 417716 437660 446524 467480 476528 498046 509392 522145 558155 568168 568958 595660 634607 636740 642640 678373 686960 710210 835432 875320 893048 923273 934960 996092 1044290 1116310 1136336 1137916 1191320 1245115 1269214 1273480 1356746 1420420 1422395 1670864 1750640 1786096 1846546 1992184 2088580 2232620 2275832 2382640 2490230 2538428 2546960 2713492 2840840 2844790 3173035 3237299 3391865 3693092 3984368 4177160 4465240 4551664 4616365 4980460 5076856 5426984 5681680 5689580 6346070 6474598 6783730 7386184 8249891 8354320 8818849 8930480 9232730 9960920 10153712 10853968 11379160 12692140 12949196 13567460 14772368 16186495 16499782 17637698 18465460 19672817 19921840 22758320 25384280 25898392 27134920 32372990 32999564 35275396 36930920 39345634 41249455 44094245 50768560 51796784 54269840 64745980 65999128 70550792 73861840 78691268 82498910 88188490 98364085 129491960 131998256 141101584 157382536 164997820 176376980 196728170 255746621 258983920 314765072 329995640 352753960 393456340 511493242 659991280 705507920 786912680 1022986484 1278733105 1573825360 2045972968 2557466210 4091945936 5114932420 10229864840 20459729680
• Sum of all divisors σ(n): 55596441600
• Sum of proper divisors (its aliquot sum) s(n): 35136711920
• 20459729680 is an abundant number, because the sum of its proper divisors (35136711920) is greater than itself. Its abundance is 14676982240

Bases of 20459729680

• Binary: 10011000011011111101011001100010000₂
• Hexadecimal: 0x4C37EB310
• Base-36: 9ED70GG

Squares and roots of 20459729680

• 20459729680 squared (20459729680²) is 418600538578672902400
• 20459729680 cubed (20459729680³) is 8564453863222058996245023232000
• The square root of 20459729680 is 143037.5114436769
• The cube root of 20459729680 is 2735.0585667257

Scales and comparisons

• 20,459,729,680 seconds is equal to 650 years, 28 weeks, 6 days, 10 hours, 14 minutes, 40 seconds.
• To count from 1 to 20,459,729,680 would take you about one thousand, three hundred one 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 20459729680 cubic inches would be around 227.9 feet tall.

Recreational maths with 20459729680

• 20459729680 backwards is 08692795402
• 20459729680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20459729680's digits is 52
• More coming soon!