21729017232

Names of 21729017232

• Cardinal: 21729017232 can be written as Twenty-one billion, seven hundred twenty-nine million, seventeen thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 2.1729017232 × 10¹⁰

Factors of 21729017232

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1346

Divisors of 21729017232

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 37 39 48 52 54 72 74 78 81 104 108 111 117 144 148 156 162 208 216 222 234 243 296 312 324 333 351 432 444 468 481 486 592 624 648 666 702 729 888 936 962 972 999 1053 1291 1296 1332 1404 1443 1458 1776 1872 1924 1944 1998 2106 2187 2582 2664 2808 2886 2916 2997 3159 3848 3873 3888 3996 4212 4329 4374 5164 5328 5616 5772 5832 5994 6318 7696 7746 7992 8424 8658 8748 8991 9477 10328 11544 11619 11664 11988 12636 12987 15492 15984 16783 16848 17316 17496 17982 18954 20656 23088 23238 23976 25272 25974 26973 28431 30984 33566 34632 34857 34992 35964 37908 38961 46476 47767 47952 50349 50544 51948 53946 56862 61968 67132 69264 69714 71928 75816 77922 80919 92952 95534 100698 103896 104571 107892 113724 116883 134264 139428 143301 143856 151047 151632 155844 161838 185904 191068 201396 207792 209142 215784 227448 233766 268528 278856 286602 302094 311688 313713 323676 350649 382136 402792 418284 429903 431568 453141 454896 467532 557712 573204 604188 620971 623376 627426 647352 701298 764272 805584 836568 859806 906282 935064 941139 1051947 1146408 1208376 1241942 1254852 1289709 1294704 1359423 1402596 1673136 1719612 1812564 1862913 1870128 1882278 2103894 2292816 2416752 2483884 2509704 2579418 2718846 2805192 2823417 3439224 3625128 3725826 3764556 3869127 4078269 4207788 4967768 5019408 5158836 5437692 5588739 5610384 5646834 6878448 7250256 7451652 7529112 7738254 8156538 8415576 9935536 10317672 10875384 11177478 11293668 11607381 12234807 14903304 15058224 15476508 16313076 16766217 16831152 20635344 21750768 22354956 22587336 23214762 24469614 29806608 30953016 32626152 33532434 34822143 36704421 44709912 45174672 46429524 48939228 50298651 61906032 65252304 67064868 69644286 73408842 89419824 92859048 97878456 100597302 104466429 134129736 139288572 146817684 150895953 185718096 195756912 201194604 208932858 268259472 278577144 293635368 301791906 402389208 417865716 452687859 557154288 587270736 603583812 804778416 835731432 905375718 1207167624 1358063577 1671462864 1810751436 2414335248 2716127154 3621502872 5432254308 7243005744 10864508616 21729017232
• Sum of all divisors σ(n): 69889137920
• Sum of proper divisors (its aliquot sum) s(n): 48160120688
• 21729017232 is an abundant number, because the sum of its proper divisors (48160120688) is greater than itself. Its abundance is 26431103456

Bases of 21729017232

• Binary: 10100001111001001100111110110010000₂
• Hexadecimal: 0x50F267D90
• Base-36: 9ZCW900

Squares and roots of 21729017232

• 21729017232 squared (21729017232²) is 472150189868552941824
• 21729017232 cubed (21729017232³) is 10259359611745858687797989511168
• The square root of 21729017232 is 147407.6566261061
• The cube root of 21729017232 is 2790.4871573891

Scales and comparisons

• 21,729,017,232 seconds is equal to 690 years, 47 weeks, 4 days, 6 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,729,017,232 would take you about one thousand, three hundred eighty-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 21729017232 cubic inches would be around 232.5 feet tall.

Recreational maths with 21729017232

• 21729017232 backwards is 23271092712
• 21729017232 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21729017232's digits is 36
• More coming soon!